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					Passenger and Light Commercial
vehicles




Spark Plugs                      2008
    Worlds No. 1 engine system supplier




ULTIMATE Performance
Uniquely heat fused platinum-iridium
centre electrode for longest service life
( up to 100,000km. )

Four Yttium enhanced ground electrodes
for optimum horesepower.
For maximum power and extended life.




PREMIUM Performance
Exclusive platinum technology with
Yttrium enhanced ground electrode for
extended service life (up to 60,000km.)

A pure platinum centre electrode heat
fused into an extended insulator enables
self cleaning temperatures to be reached
only seconds after starting.




RELIABLE Performance
Original Equipment quality spark plug for
consistently high performance.
With Yttium enhanced centre electrode
gives super Plus spark plugs a longer
service life than standard resistor spark
plugs ( up to 40,000km.)
A tapered and profiled nickel chromium
ground electrode provides extended plug
durability and reliable starting
                           Spark Plugs




        Product range
                           A1   Platinum-IrFusion

                           A3   PlatinumPlus

                           A5   SuperPlus

                           A7   PerformanceSegments

                           A8   Platinum

                           A    TechnicalInformation

                           A    FAQ’s

                           A    LPGInformation

                           A    BoschCardedProgram
                                (BoschBlisterPackedCardedSets)




        Application data
                           B1   Howtouse

                           B3   Vehicleapplication


        Buyers Guide
                           C1   Buyersguide


        Cross reference




2008                                                     BoschAutomotiveAftermarket
A  |Platinum-IrFusion                                                                                                                                                                                                         Platinum-IrFusion|A 



Platinum Ir Fusion




                Recommended for vehicles built from
                000 - onwards




ultimAte PerformAnCe
                                                                                                                                                                                                                                           Yttriumground
Ifyour’relookingfortheverylatestinsparkplugtechnology,   Thismeanslessstressontheignitionsystemforquicker                                                                                                             electrode
looknofurtherthanBoschPlatinumIrFusion™.                    starts,moreefficientfuelcombustion,andlonger
Fusionfeaturesapatented,fusediridiumandplatinum             performancelife.                                                                                             Card Number
centerelectrode,combinedwithexclusivesurfaceairgap          Inaddition,Fusion’svoltagerequirementincreaseslessover                                                 F9-4
firingtechnologytoproducealongermorepowerfulspark.         timeversusallotherplugsforlongerreliableperformanceof                                                                                                        Platinum/
Itsfouryttrium-enhancedgroundelectrodedesign                  thevehiclesignitionsystem.                                                                                                                                          Iridiumcentre
significantlyreducesgapwear.                                                                                                                                                                                                           electrode

FEATURE                                                             BENEFIT                                                                                                         Type Number
HeatfusedPlatinumandiridiumcentreelectrode                    MaximumHorsepower&Longlife                                                                                  HGR9BQI
                                                                                                                                                                                                  Recommended Service Interval            1000,000km
Revolutionarysurfaceairgapfiringtechnologyfeaturing          Deliversthelongestmostpowerfulsparkforultimateengine
multiplesparkpaths                                                performance                                                                                                                   Packaging                               Blisterpack

FourYttriumenhancedgroundelectrodesforoptiumaccess          Maximumpower&extendedperformancelife
toair/fuelmixture,givingmostefficientcombustion

Electrodegapisfactoryset                                        Provideseaseofinstallation-neverrequiresadjustment




                                                                           Fused iridium and platinum centre electrode,
                                                                           sintered into an extended insulator nose
                                                                                                                                       ForturbochargedvehiclesandlongservicelifeBosch
                                                                                                                                       recommendsusingDoublePlatinumSparkPlugs-
                                                                                                                                       seepageA8.




BoschAutomotiveAftermarket                                                                                                   2008   2008                                                                                     BoschAutomotiveAftermarket
A 4 |PlatinumPlus                                                                                                                                                                              PlatinumPlus|A 



Platinum Plus




               Recommended for vehicles built from
               199 - onwards




vAlUE PREmIUm                                                                                                                                                                                     Availablein10
ExclusiveBoschplatinumtechnologywithanenhanced            AndnowBoschPlatinumPlusfeaturesatapered,yttrium-                                                                         boxandsingle
designfor25%longerservicelife.                              enhancedv-profilegroundelectrodethatextendstheservice                                                                    box
BoschPlatinumPlussparkplugsfeatureapureplatinum         life25%longerthantheoriginalBoschPlatinumSparkPlug.
centreelectrodethat’sheat-fusedintoanextendedceramic     Thissuperiordesignreachesitsself-cleaningtemperature                Card Number
insulatortoeliminateairgapswhichexistinplatinumalloy-   faster.Andwithlowerignitionvoltagerequirement,Bosch                P7-4
tippedplugs.                                                   PlatinumPlusprovidesreliablestartinginhotandcold
                                                                 weatherextremesandprovidesamorereliablesparkat
                                                                 higherRPM’swithoutmisfires.

FEATURE                                                          BENEFIT                                                                    Type Number
ExclusivePlatinumTechnologywithYttriumenhancedground      25%longerperformancelifeoverstandardplatinumplugs                   WR8DPX
electrode
                                                                                                                                                                                                  Yttriumground
OnlyBoschusespureplatinumcentreelectrode,heatfused      Maximumdurability&engineprotectionduetolessmisfiring                                                                     electrode
intoanextendedinsulator.Superiordesignreachesself-
cleaningtemperatureonlysecondsafterstarting
                                                                                                                                                                                                  PurePlatinum
HeavyDutytaperedgroundelectrodeforreducedelectrode       Increasedfuelefficiency,smootheridling&acceleration                                                                        Centreelectrode
temperature&improvedaccesstoair/fuelmixture

Lowerignitionvoltagerequirementvs.otherplugdesigns        Reliablestarting&superioroperationunderalldriving
                                                                 conditions

                                                                                                                                                          Recommended Service Interval            Approx60,000km
                                                                        Exclusive platinum technology with a tapered
                                                                        yttrium-enhanced v-profile ground electrode.
                                                                                                                                                          Packaging                               Blisterpack
                                                                                                                                                                                                  Single/10box



                                                                                                                                                          Recommended for vehicles built from
                                                                                                                                                          199 - onwards

BoschAutomotiveAftermarket                                                                                                2008   2008                                                BoschAutomotiveAftermarket
A  |SuperPlus                                                                                                                                                                               SuperPlus|A 7



Super Plus




               Recommended for vehicles built from
               19 - 199




eConomiCAl                                                                                                                                                                                    Availablein
Yttrium-enhancedcoppercorecentreelectrodefor50%          Testinghasconfirmedthedurabilityofyttrium-enhanced                                                                     10boxand
longerservicelife.BoschSuperPlusSparkPlugsdeliver      centreelectrodes.NowBoschbringsthesebenefitstoyouin                                                                 singlebox
qualityperformancebasedontechnologythat’sprovenon       BoschSuperPlus,thelongest-lastingcoppercoresparkplug
racetracksaroundtheworldinthemostsophisticatedracing   onthemarket
engines.                                                                                                                                Card Number
                                                                                                                                        S11-4
feAture                                                         Benefit
UniquetoBosch-Firsttoofferpreciousmetalperformance    50%longerlastingthanOECopperCoreSparkPlugs
atnon-premiumprices                                                                                                                   Type Number
                                                                                                                                        FR7DCX
Yttriumenhancedcentreelectrodetechnology                    Extendedperformancelifeoverconventionalcoppercore
                                                                sparkplugs
                                                                                                                                                                                              Nickel-chromium
NickelChromiumtaperedgroundelectrodetoprotect            ExtendedPlugdurability&engineprotection                                                                                  groundelectrode
againsthightemperatures&extendservicelife

Metalglassfusedresistor                                      Maximuminterferencesuppression
                                                                                                                                                                                              YttriumCentre
Angular,five-ribbedinsulatordesign                           Preventsmisfireduetocurrentleakage                                                                                       electrode




                                                                                                                                                      Recommended Service Interval            Approx30,000to
                                                                       long life yttrium-enhanced copper core
                                                                                                                                                                                              40,000km
                                                                       centre electrode

                                                                                                                                                      Packaging                               Blisterpack
                                                                                                                                                                                              Single/10box




BoschAutomotiveAftermarket                                                                                           2008    2008                                                BoschAutomotiveAftermarket
A  |SuperPlus                                                                                                                                                                                                                    BoschSparkPlugProgram|A 9



Double Platinum for Performance vehicles                                                                                                   Bosch Spark Plug Program




                                                                                                                                                   Super Plus Program                   Platinum Plus Program                  Platinum-ir fusion Program

                                                                                                                                            Single           Blister   Blister      Single       Blister   Blister          Single             Blister   Blister
                                                                                                                                            Box              Pack      Pack size    Box          Pack      Pack size        Box                Pack      Pack size
                                                                                                                                           FGR7DQE+                               FR6DP        -         -          -                      F1-4      4
                                                                                                                                           FlR8lDCU+        S9-4      4          FR6DPX       P14-4     4          -                      F1-6      6
                                                                                                                                           FR6DC+           -         -          FR7DP        P6-4      4          -                      F2-6      6
                                                                                                                                           FR7DC+           S8-4      4          FR7DPX       P1-4      4          -                      F3-4      4
                                                                                                                                           FR7DCX+          S11-4     4          FR7DPX       P1-6      6          -                      F4-4      4
                                                                                                                                           FR7DPP+                                FR7HP        -         -          -                      F5-4      4
 Performance vehicles                                                                                                                      FR7KCX+          S31-4     4          FR7KP        P10-4     4          -                      F5-6      6
 Double Platinum                                                                                                                           FR7KPPU+       S38-6     6          FR7KPX       P3-4      4          -                      F6-4      4
                                                                                                                                           FR7lCX+          S32-4     4          FR7lPX       P5-4      4          -                      F7-4      4
                                                                                                                                           FR7lDC+          -         -          FR8DP        -         -          -                      F7-6      6
Forthevehiclesthatdemandthelongestservicelifeand                                                                                 FR8DC+           -         -         FR8DPX       P4-4      4          -                      F8-4      4
continuousperformance,Boschrecommendsfitting                                                                                          FR8DCX+          S19-4     -          FR8DPX       P4-6      6          -                      F9-4      4
DOUBLEPLATINUMsparkplugs.                                                                                                               FR8HDC+          -         -          FR8HPX       P9-4      4          -                      F10-6     6
                                                                                                        BoschDoublePlatinum(DPP)        HR6DC+           -         -          FR8HPX       P9-6      6          -                      F11-4     4
DoublePlatinumorDPPhavethecentreelectrodemade                                                 canbeidentifiedbybluetext   HR7DC+           S37-6     6          FR8lP        -         -
frompureplatinum,justlikePlatinumPlus,andalsothe                                             andringsoninsulator             HR7mPP+          -         -          FR8lPX       P19-4     4
groundelectrodelaseralloyedwithpureplatinum.                                                                                         HR8DC+           -         -          FR8NP        P11-4     4
                                                                                                   Pureplatinumcentreelectrode          HR8DCv+          S30-6     6          HR7DP        -         -
Theresultisaservicelifeof100,000kmforvehiclesfitted   Pureplatinumlaseralloyed                                               HR8DCX+          S35-4     4          HR7DPX       P21-6     6
withaturboorsupercharger.                                    intogroundelectrode                                                     HR9BC+           S25-4     4          HR8DPv       P15-6     6
                                                                                                                                           HR9BC+           S25-6     6          HR8DPX       P16-4     4
                                                                                                                                           HR9BCY+          -         -          HR8DPY       -         -
                                                                                                                                           HR9DCY+          S26-6     6          HR9BPY       P17-4     4
AUDI                                                             MERCEDES BENZ                                                             WRDC+           -         -          HR9DPY       P12-6     6
A4 TFSI Quattro              09.05 -              FR6KPP332S     C230 [ 203, 204 ]               06.05 -                YR7MPP33           WR6DC+           -         -          WR6DP        -         -
A4 Turbo / Quattro           08.97 - 10.00        FR7KPP33+                                                                                WR7BC+           -         -          WR7DP        P8-4      4
A3 Quattro 3.2L                                   YR7LPP332W     NSSAN                                                                     WR7DC+           S1-4      4          WR7DPX       -         -
                                                                 200SX [ S14 ] SR20DET           04.94 - 12.99          FR5DPP222          WR7DCX+          S21-4     4          WR8AP        -         -
BMW                                                              Silvia [ S13 ] SR20DE           01.91 - 10.93          FR5DPP222          WR7lTC+          -         -          WR8DP        P2-4      4
318i [E46 ]                  04.04 - 03.05        FR7KPP332      Silvia [ S15 ] SR20DE           01.99 - 08.02          FR7KPP33U+         WR8BC+           -         -          WR8DPX       P7-4      4
                                                                 Skyline [ R32 ] RB20DET         09.91 - 08.93          FR6KPP33X+         WR8DC+           S3-4      4          WR9DP        -         -
FORD                                                             Skyline [ R32 ] RB20DET         05.89 - 08.93          FR8DPP33+          WR8DC+           S3-6      6          WR9DPX       -         -
Falcon XR6 Turbo BA - BFII   07.03 -              FR7KPP33U+     Skyline [ R33 ] RB25DET         08.93 - 05.98          FR7KPP33U+         WR8DCX+          S22-4     4          WR9lP        P13-6     6
Falcon XR8 5.0L              09.98 - 10.01        HR8DPP22U      Skyline GT-R [ R32 ] RB26DETT   08.91 - 11.94          FR6KPP33X+         WR8lC+           -         -          WR9lPv       P20-6     6
                                                                 Skyline GT-R [ R33 ] RB26DETT   01.95 - 01.99          FR6KPP33X+         WR8lTC+          -         -
HOLDEN                                                           Skyline GT-R [ R34 ] RB26DETT   01.99 - 08.02          FR6KPP33X+         WR9DC+           S16-4     4
Commodore VZ                 09.04 - 08.06        HR7MPP302X                                                                               WR9DCX+          S27-6     6
Commodore VE 3.6L            08.07 -              HR8NPP302      SUBARU                                                                    WR9lCX+          S28-6     6
                                                                 Impreza WRX EJ205               11.02 - 05-05          FR6KPP33+          WR9lEv+          S29-6     6
HONDA                                                            Impreza WRX EJ205               10.00 - 10.02          FR6KPP33X+
Integra Type-R               01.98 - 10.01        FR6KPP33+      Impreza WRX Sti EJ207           10.01 - 05.05          FR6KPP33X+

HSV                                                              TOYOTA
5.7L Gen 3 Engines           06.99 - 08.06        HR9LPP22Y      Celica 1.8L 2ZZ-GE              08.99 -                FR6KPP33+
                                                                 Soarer 2.5L 1JZ-GTE             05.91 - 12.01          FR7KPP33+
MAZDA                                                            Soarer 3.0L 2JZ-GE              01.94 - 12.00          FR7KPP33U+
3 2.0L                       07.03 -              HR6DPP33V      Soarer 4.0L 1UZ-FE              05.91 - 12.01          FR7KPP33+
6 2.3L                       02.02 -              HR6DPP33V      Soarer 4.3L 3UZ-FE              04.01 -                FR6KPP33X+




Guide only - for specific application details, please refer to
the application section from page B1.




BoschAutomotiveAftermarket                                                                                                      2008    2008                                                                                        BoschAutomotiveAftermarket
A 10 |CrossReferenceTable                                                                                                                                                                                                                    CrossReferenceTable|A 11



Cross Reference Table




                                                BOSCH SPARK PlUG                                                                                                                   BOSCH SPARK PlUG
 FR7DPX          WR8DP          FR8DPX        WR8DPX       WR7DP        WR7DPX        FR8DP     FR7DP              -                    -                  WR9DP                HR9DPY               HR8DPv               WR9lP                WR9lPv
 FR7DCX+         WR8DC+         FR8DCX+       WR8DCX+      WR7DC+       WR7DCX+       FR8DC+    FR7DC+            FR7lDC+              FlR8lDCU+           WR9DC+               HR9DCY+              HR8DCv+              WR9lCX+              WR9lEv+


                                             NGK SPARK PlUG (equivalent )                                                                                                    NGK SPARK PlUG (equivalent )
 BCPR6ES-11      BPR5ES         BCPR5ES-11    BPR5EA-11    BPR6E        BPR6ES-N-11   BCPR5E    BCPR6E            BkR6Ek               BkR5EkC             BPR4E                BPR6EFS-15           BPR6EFS-15           BPR5EY-11            IGR5C-13

 BCPR6E-11       BPR5E          BCPR5EY-11    BPR5ES-11    BPR6ES       BPR6ES-11     BCPR5ES   BCPR6ES           BkR6EkB-11           BkR5EkU             BPR4ES

 BCP6ES-11       BPR5EA         BCPR5E-11     BPR5ES-15    BPR6EY       BPR6ES-13     BCPR5EY   BCPR6ET           BkR6EkC              BkR5ET-10           BPR4EY

 BCP6E-11        BPR5EY         BCP5ES-11     BPR5EY-11    BP6E         BPR6EY-11     BCP5ES    BCP6E             BkUR6Ek              BkUR5ET-10          BP4ES

 BkR6E-N-11      BP5E           BkR5E-11      BP5EA-11     BP6ES        BPR6E-11      BkR5E     BCP6ES            BkUR6ET                                  BP4ES-11

 BkR6ES-11       BP5EA                        BP5ES-11     BP6EY                      BkR5Ez    BCP6ET            BkUR6ETB-10                              BP4ES-13

 BkR6E-11        BP5ES                        BP5ES-13     BP6Ez                      Bk5E      BCP6EY            BkUR6ET-10                               BP4EY                                                                                                    

 Bk6E-11         BP5ESz                       BP5ET                                   Bk5ES     BkR6E                                                      BP4EY-11

                 BP5EY                        BP5EY-11                                          BkR6EkPA

                 BP5Ez                                                                          BkR6EN

                                                                                                BkR6ES

                                                                                                BkR6Ez

                                                                                                Bk6E




                                                                                                                  Thefollowingcataloguesectionlistspartnumbersofnon-BoschequipmentforwhichthereareinterchangeableBoschproductsorcomponentsavailable.Since
                                                                                                                  awiderangeofdifferentdesignationsystemsareused,wewereforcedtoarrangethenon-Boschpartnumbersinauniformalphanumericalorder.Thisdiffers
                                                                                                                  fromthecustomaryorderemployedbysomemanufacturers.ReconversionofBoschnumbersbacktothenumbersofothermanufacturersisnotpermitted.The
                                                                                                                  Boschtypedesignationcontainedinthiscrossreferencerepresentguidelines.Fordefinitivespark-plugrecommendation,pleaserefertothesparkplugapplication,
                                                                                                                  sectionB.
                                                                                                                  
                                                                                                                 Note
                                                                                                                 ThelawsgoverningcompetitionstipulatethatonlyBoschtypenumbersmaybeusedvis-a-visthefinalcustomerfortheidentificationofBoschparts.




BoschAutomotiveAftermarket                                                                             2008   2008                                                                                                                             BoschAutomotiveAftermarket
A 1 |Technicalinformation                                                                                                                                                                                                                                                                                                                   TechnicalInformation|A 1



Type code explanation




              Type of seat
                                D     20.8
                                                                f      16
                                                                                          H       16
                                                                                                                   K
                                                                                                                            14*
                                                                                                                                         M         26
                                                                                                                                                                 S      12
                                                                                                                                                                                         t       16
                                                                                                                                                                                                                    u    16
                                                                                                                                                                                                                                            V      16
                                                                                                                                                                                                                                                                     W          20.8       W            19
                                                                                                                                                                                                                                                                                                                     X        17.5
                                                                                                                                                                                                                                                                                                                                            Y       16
                                                                                                                                                                                                                                                                                                                                                               Z     14
               and thread
                                                                                                                                                                                                                                                                                           S
                                     M18x1.5                      M14x1.25                  M14x1.25             M14x1.25                M18x1.5           M12x1.25               M10x1               M10.1               M12x1.25                M14x1.25        M14x1.25              M12x1.25          M12x1.25       M12x1.25


                                     Waterproof, for                        Waterproof, for                Surface-gap spark          Surface-gap spark                                        Semi-surface
                                                                                                                                                                                                                                                                                           With suppression
                version         B    shielded ignition
                                     cable with 7mm
                                                                    C       shielded ignition
                                                                            cable with 5 mm
                                                                                                       e   plug without
                                                                                                           ground electrode
                                                                                                                                  G   plug with ground
                                                                                                                                      electrode (s)
                                                                                                                                                             H   Half thread             l     air-gap
                                                                                                                                                                                               spark plug
                                                                                                                                                                                                                        m     Motorsports               Q       Quickheat              r   resistor                 S     For low power
                                                                                                                                                                                                                                                                                                                          engines




              Heat range
             code number
                                j        1 1 11 10 9 8 7 6  4   09 08 07 06                                                                                                     f




            Thread length
            Spark position      A            12.7        11.2                        B            12.7 11.2
                                                                                                                                  C         19     17.5                                  D            19     17.5                       e           9.5    11.2                        f          9.5        11.2                    G       12.7


                                                                                                                                                                                                                              3                                                  1                                        3                                    4




                                H            19          17.5                        K            19   17.5                       l         19        17,5
                                                                                                                                                   17.5
                                                                                                                                                                                         m            26.5   25                         n           26.5   25                          S          26.5       25                      t       26.5   25


                                                                                                                                                                                                                              3                                                 4                                         5                                    7




                                                                                                                                                                                          0    Differencesfrombasicdesign                              1     P0designwithNielectrode                            Binarygroundelectrode
               Electrode                                                                                                                                                                      Speciallengththread                                     4     Extenededinsulatornose                         9       PSAdesign
               versions                                             D                                  t                          Q                                                       
                                                                                                                                                                                          




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BoschAutomotiveAftermarket                                                                                                                                                   2008     2008                                                                                                                                                  BoschAutomotiveAftermarket
A 14 |Technicalinformation                                                                                                                                                                                                               Technicalinformation|A 1



Spark plug spark techniques                                                                                                         FAQ’s




 Spark Plug with AIR-GAP spark techniques


                      Frontelectrode,   Whenitformsthearcdirectlybetween     The advantages
                      Centreelectrode    thecentreelectrodeandtheground        Highlevelignitionreliabilitythroughout
                                          electrode,theignitionsparkpasses       theplug’sentireservicelife.
                                          throughtheair-fuelmixturelocated       Goodcoldstartingbehaviour
                                          betweentheelectrodes.                     Lowenginevoltagerequirements


                      Sideelectrode,
                      Centreelectrode                                                                                              Why no more non-resistor spark plugs?         What advantages does yttrium give a          What are the different types of spark
                                                                                                                                                                                  spark plug?                                  plugs?

                                                                                                                                                                                  •Outstandingprotectionagainst            Thereisalargevarietyofdifferent
                                                                                                                                                                                  corrosion                                 sparkplugdesignswithmorethan1400
                      Shapedground      Togetherwiththeincreasedspace          The advantages                                                                              •Excellentignitionreliability            variations.Designvariantsandspecial
                      electrode,         betweentheelectrodes,thesharp          Highlevelsofignitionreliabilitydueto                                                                                      
                                                                                                                                                                                  •Optimumperformancethroughoutits       materialssuchasplatinum,silveror
                      Centreelectrode    V-grooveedgesresultingfromthe          theinstantaneousarcingofthespark                                                      servicelife                             yttriumallowBoschsparkplugstobe
                                          groundelectrode’sshapeensurethat       andimmediateignitionoftheA/F                                                                                                       usedinawidevarietyofapplications
                                          theignitionspark’sthermalenergyis     mixture                                                                                     Do yttium spark plugs have a longer          today.InallBoschhasdevelopedmore
                                          transferredeasilyandmoreeffectively    Additionalcoldstartreliabilityeven                                                     life?                                        than20,000differenttypesofspark
                                          intotheair-fuelmixture.                  whenbatteryvoltageislow.Improved                                                                                                   plugsoverthelast100years.
                                          Thisleadstoapronouncedflamecore      combustionprotectstheengineandin                                                      Theelectrodewithyttriumalloyshows
                                          andcompletecombustionirrespective       particularthecatalyticconverter.                                                        significantlylesswearthananelectrode   Why do we need to change spark
                                          ofoperatingconditions                     Sincemisfiringisavoided,fuel                                                           withoutyttrium.                             plugs?
                                                                                      consumptiondropsevenmore.                  Sincetheearly80’s,fuelinjection
                                                                                                                                    systemshavebeendesignedby                What is the function of a spark plug         Duringoperation,thesparkplugis
                                                                                                                                    manufacturerstobefittedwith              and why is it a vital engine component?      subjectedtobothwearandtofouling
 Spark plugs with SURFACE-GAP spark techniques                                                                                      RESISTORsparkplugs.                                                                      andshouldbereplacedatregular
                                                                                                                                                                                  Thefunctionathesparkplugisto         intervals.Inthecourseofitsservice
                      Sideelectrode,    Thegroundelectrodesarearrangedso       The advantages                               XFittingnon-resistorplugsinaresistor   introducetheignitionenergyintothe      life,thesparkplugundergoeschanges
                      CentreElectrode    thatonlyparticularlylongandpowerful   Improvedignitionreliabilitythroughout      applicationcan:                             combustionchamberandtoinitiate          thatincreasetherequiredignition
                      or                  surface-gapsparksaregenerated            thesparkplug’sentireservicelife.                                                       combustionofthecompressedair-            voltage.Whentherequiredvoltage
                      Sideelectrode,                                                Optimalprotectionofthecatalytic          Effectsophisticatedelectronics              fuelmixture.Itaccomplishesthistask     reachesalevelthatcannolongerbe
                      insulatorCentre                                               converter(s).                                 Damageexpensivecomponentry                  bygeneratingasparkbetweenits           compensatedforbythevoltagereserve
                      electrode                                                       Particularlylowlevelofignitionvoltage   Createradiointerference                     electrodes,whichthengeneratesthe        theresultismisfiring.Thesechanges
                                                                                      required.                                     Effectoverallperformance                    requiredheattoigniteasmoothburn       canbecausedby:
                                                                                      Selfcleaningeffectsincaseof             Increasefuelusage                           oftheair/fuelmixture.Thesparkplug
                                                                                      soothing.                                                                                   isanimportantfactorindetermining       •Electrodewear
                                                                                      Extendedoperatinglifethanksto            Resistorsparkplugscanbefittedin        optimalperformanceandreliable            •Enginewear
                                                                                      designwithseveralgroundelectrodes.        non-resistorapplications                    functioningofanengine.Itmustpermit    •Abnormaloperatingconditions
                                                                                                                                                                                  reliablecoldstarting,itmustguarantee   (pre-ignition,detonation,highoil
 Spark plugs with AIR-SURFACE spark techniques                                                                                      BOSCH RECOMMENDS TO FIT A                     thatthereisnomisfiringduring           consumption).
                                                                                                                                    RESISTOR TYPE SPARK PLUG FOR                  acceleration,anditmustwithstandthe
                      Sideelectrode,    Sparkplugsfeaturingtheair-surface       The advantages                               EVERY APPLICATION                             enginebeingoperatedforhoursonend      How do I read a ‘spark plug’?
                      CentreElectrode    sparkprinciplearebeingused             Increasedignitionreliabilitythroughout                                                  atmaximumpower.Theserequirements
                      or                  increasinglyinOriginalEquipment         thesparkplug’sentireservicelife          Why should you choose Bosch Super             applythroughouttheentireservice         Readingthesparkplugsprovides
                      Sideelectrode,    applications.Forreliableignition,the   Improvedcoldstartcharacteristics           Plus spark plugs?                             lifeofthesparkplug.For100years       valiableinformationonsparkplugand
                      insulatorCentre   ignitionsparkselectsthebestrouteto   Lowignition-voltagerequirement                                                            Boschsparkplugshavebeendesigned        engineoperatingconditions.Referto
                                          takefromthecentreelectrodeiteither   Selfcleaningeffectsincaseofsooting      Yttriumallowsustoproduceapointed       foroptimalperformance,reliable           pagexxxinthiscatalogue.
                      electrode
                                          functionsasanairsparkorasanair-     Optimalprotectionofthecatalytic          groundelectrode-anewoptimised           functioningandtowithstandextreme
                                          surfacespark.                             converter(s)                                  designonmostSuperPlussparkplugs.         operatingconditions.Todaythe
                                                                                                                                                                                  continuouslydevelopingsparkplugisa
                                          Withanairspark,whenignitiontakes     Theconfigurationwithseveralground        Improvedandmoreefficient                  keyenginesystemcomponent.Itplays
                                          placethearcjumpsacrossdirectlyfrom   electrodesincreasestheplug’slife.         performance.                                  amajorroleinfueleconomy,clean,
                                          thecentretothegroundelectrode.                                                                                                    efficientcombustionandthereliable
                                          Theair-surfaceplugontheotherhand                                                   Italsoincreasestheprotectionofyour     operationofenginesandcatalytic
                                          usesexistingchargecarrierstotravel                                                  catalyticconverterreducingtherisk        converters
                                          totheinsulatornosefromwhereitthen                                                 ofcostlydamagetotomoreefficient
                                          jumpsacross,asanairspark,tothe                                                    combustion.
                                          groundelectrode.

BoschAutomotiveAftermarket                                                                                               2008    2008                                                                                                   BoschAutomotiveAftermarket
A 16 |Technicalinformation                                                                                                                                                                                                                   Technicalinformation|A 17



FAQ’s                                                                                                                                    FAQ’s




How should spark plugs be tightened           Toavoiddamagetoasparkplugin            Pre-ignitionoftheair/fuelmixturecan   How does Bosch test enginges to              Do Bosch spark plugs meet original           What are the advantages of surface air
for best performance?                         processofadjustingthegap,itis           causeseveredamagetoanengineand       determine the heat range and what heat       equipment requirements?                      gap plugs? (eg. FLR8LDCU+)
                                              importanttofollowtheseguidelines.          thisisonereasonwhytheheatrange      range should I use?
Boschrecommendswheninstalling                                                            ofasparkplugissoimportant.                                                         Yes!Boschsparkplugsmeetorexceed       Tovalidatetheimprovedperformance
sparkplugstouseatorquewrenchand       •Towidentheelectrodegap,usea                                                      Toensureoptimalperformanceinyour       warrantyrequirementsofallvehicle        ofsurfaceairgapplugswithmultiple
thecorrecttorqueinft.-lbs.             toolthatonlypullsbacktheground      What is a heat range?                       car,Boschhastestedeachvehicle          andenginemanufacturers,andwhen          groundelectrodes,extensivetesting
Aslistedbelow                               electrode,withoutapplyingpressure                                                   modelandthevariousenginesavailable     properlyinstalledinaccordancewith       wasconductedinthelaboratoryandin
                                              tothecentreelectrode.                   Thesparkplugs’heatrangeisanindex    forthatmodellistedintheSparkPlug     therecommendedapplication,willnot       thefield:
          10 mm 12 mm 14 mm             Thetoolmustnotbewedged                 ofitscapacitytodissipatethermal       catalogueorourweb-page.Usinga          adverselyaffecttheemissioncontrol
               with     with       with        betweentheelectrodesasthatmay          energy.Thedifferentcharacteristicsof   specialsparkplugwithathermocouple      systemofanyvehicle.                       •Thefirsttestmeasuredtheenergy
             gasket    gasket    gasket       causedamagetotheinsulatornose.         automotiveenginesregardingoperating     builtin,Boschengineersfindthe                                                        transferefficiencyofthetwo-electrode
torque                                                                                 load,compression,enginespeed,           hottestcylinderinanengineandthen      What about vehicle manufacturer               plugcomparedtoconventionaland
           8-11   12-15     19-22
   ft.-lbs                                    •Toclosetheelectrodegap,carefully      cooling,andfuelmakeitimpossibleto    testvarioussparkplugsinthatcylinder   warranties?                                   otherpremiumplugswithasingle
          14 mm 1 mm 1 mm            taptheplug,electrodefirst,ona         runallengineswithastandardspark      untiltheidealplugisfound.                                                            groundelectrode.Thiscertified
            tapered     with   tapered        hardsurface,asshowninthe              plug.Thesamesparkplugmaygetvery     Thisensuresthatyouwillalwaysget       Consumersaresometimestoldbyan           laboratorytestmeasuredthe
              seat     gasket     seat         illustration.                                hotinoneenginetype,butmayreach      thebestperformancepossible.               automobiledealer’sservicewriteror        additionalpressuregeneratedbythe
torque                                                                                 onlyarelativelylowtemperaturein                                                    mechanicthatabrandofreplacement         sparkdischargeinapressure
           12-15    20-23     14-17
   ft.-lbs                                    What is detonation?                            another.                                   I want to use Bosch spark plugs, but         sparkplugcannotbeusedinthe             chamber.Higherpressureequalsa
                                                                                                                                         have modified my engine by adding a          consumer’svehicleduringthewarranty       higherenergytransferbythespark.
Ifatorquewrenchisnotavailable,hand    Detonationor“knocking”is                   Inthefirstcase,theair-fuelmixture    performance system. Can I still use          period.Theclaimismadethatuseof        Thetestshowedthatthetwo-
tightenthepluguntilitisseatedinthe   uncontrolledcombustionwithavery           wouldigniteontheglowingparts          the plug listed in the catalogue for my      thebrandwill“voidthewarranty”,with     electrodeplugstransferredmore
cylinderhead.Sparkplugswithgaskets      steepriseinpressure.Itiscaused          ofthesparkplugprojectingintothe      vehicle?                                     thestatementorimplicationthatonly       energytotheair/fuelmixtureresulting
shouldbetightenedanadditional90º.        byspontaneousignitionofthefuel          combustionchamber(pre-ignition)                                                       theoriginalequipmentbrandofspark        inimproveddriveablilityandlower
Sparkplugswithtaperedseatsshould        mixture,whichhasnotyetbeen               and,inthesecondcase,theinsulator     Ifyouhavemodifiedyourengine            plugsmaybeused.This,ofcourse,          emissions.
betightenedanadditional15º.               reachedbytheignitionspark.                 tipwouldsoonbecomesobadly             withaperformancesystemsuchasa         tendstocastdoubtonthequalityof
                                              Asthehigh-pressurewaveshitthe            fouledbycombustiondepositsthat         turbocharger,supercharger,ornitrous,     thereplacementsparkplug.Thatclaim      •Asasparkplugwearsviaerosion&
 Note:Avoidovertighteningorunder       wallsofthecombustionchamber,their        misfiringwouldoccur.Toensurethat      therecommendedsparkplugmaynot          isnottrue.UndertheMagnuson-Moss        corrosion,thegapbetweenthe
 tighteningassparkplugorengine          impactproducesametallicknocking           theplugrunsbetweenthedesired          becorrect.                                 WarrantyActandgeneralprinciples         centre&groundelectrodesgetslarger.
 damagemayresult.                           sound.Failuretorecogniseanddeal          temperatures,plugswithdifferentheat    Youmayneedtouseaplugwitha           oftheFederalTradeCommissionAct,        Thelargerthegap,themorevoltage
                                              withknockingwillinevitablyleadto         capacitiesweredeveloped.                 colderheatrangetocompensatefor         amanufacturermaynotrequirethe          isrequiredtoproduceaspark,until
Are Bosch spark plugs pre-gapped at           seriousenginedamage.                         Thesocalled“heatrange”,whichis       theadditionalheatgeneratedbythe        useofanybrandofsparkplug(orany      thecapabilityoftheignitionsystem
the factory?                                                                                 assignedtoeachsparkplug,isused       engine.Boschrecommendsthatin            otherarticle)unlessthemanufacturer      isexceededandtheplugmisfires.It
                                              What is pre-ignition?                          tocharacterisetheseheatdissipation     thesesituations,youconsultaqualified   providestheitemfreeofchargeunder      wasfoundthatthemultipleground
MostBoschsparkplugsarefactorypre-                                                      capacities.Aplugwithalowheatrange   enginebuilderforassistancein            thetermsofthewarranty.                  electrode,yttriumcentreelectrode
gappedforpopularvehicleapplications.     Pre-ignitionisanuncontrolledignition      number(e.g.2-4)indicatesacoldplug    determiningtheappropriateheatrange.      So,iftheconsumeristoldthatonlythe   plugreducesgaperosion&increasing
Thegapmeasurementsareindicated           processinwhichthetemperatures             thatquicklydissipatesheattothe                                                     originalequipmentsparkplugwillnot      voltagerequirementsovertime.
eitheronthebox,orbypartnumber         inthecombustionchambercanrise            engineblockandcoolingsystem,while     How often do I need to change my             voidthewarranty,theyshouldrequest
locatedonthesparkplugshell.              tosuchanextentastocauseserious         ahighcode(e.g.7-10)indicatesahot    plugs?                                       thattheOEsparkplugbeprovidedfree     •Testsforcarbonfoulingwere
•Xsuffix=1.1mm                          damagetotheengineandthespark            plugthatretainsheat.                                                                 ofcharge.Iftheyarechargedforthe       simulatedinacoldcellbyrepeatedly
•Ysuffix=1.5mm                          plug.Full-throttleoperationcan                                                         Asarule,Boschrecommendsthatyou        sparkplug,themanufacturerordealer       cooling,startingandoperatingthe
•Usuffix=1.0mm                          generatelocalisedhotspotsandcause        Byproperlyselectingtheheatrangeof    followthereplacementintervallistedin   isinviolationoftheMagnuson-Moss         enginewithoutlettingthesparkplugs
BoschSuperPlus,platinumandresistor       pre-ignitionatthefollowinglocations:      theplug,itensuresthattheplugwill    yourvehicleowners’manual,however        WarrantyAct.                                 reachtheirself-cleaningtemperature.
sparkplugsalsohavefactory-set            • Atthetipofthesparkplug’sinsulator   operatebetweentheplug’sdesigned        wehighlyrecommendthatyouinspect                                                      Thiscycledoesnotletthesparkplug
gaps.Formostplugs,thesettingis          nose                                        operatingrangeof500-900degrees         (read)yoursparkplugsannuallyand        Does theBosch part number have                reachitsself-cleaningtemperature
shownontheplugpackage.These             • Ontheexhaustvalve                       Celsius.Inthisrange,thesparkplug     replaceasrequired,toinsureoptimum      meaning to help detemine the                  andallowstheformationofcarbon
gapsarecorrectforthemostpopular        • Ontheprotrudingsectionsofthe          willbeself-cleaning,yetwillnotbe     engineperformance.                          specifications of the plug?                   deposits.
applicationsoftheseplugs.Thereare        headgasket                                 hotenoughtopre-ignitetheair/fuel
applicationshowever,forwhichthegap      • Onloosedeposits(ash&carbon            mixture.                                                                                 Yes!RefertopageA12-A13ofour         Thetestsfoundthatmultipleground
settinghastobeadjustedaccordingto       residue)                                                                                                                              cataloguewhichisalsoavailablefrom      electrodesparkplugshadbettercold
thevehiclemanufacturersspecification.      • Onloosedeposits(ashandcarbon                                                                                                   ourwebsitewww.bosch.com.au                restartreliabilitythanconventional
                                              residue).                                                                                                                                                                         plugs.

BoschAutomotiveAftermarket                                                                                                    2008    2008                                                                                                  BoschAutomotiveAftermarket
A 18 |Technicalinformation                                                                                                                                                                                                                                                        SparkPlugfaces|A 19



FAQ’s                                                                                                                                  Spark Plug faces




                                                                                                                                        1                             2                            3                           4                              5                             6




                                                                                                                                        7                             8                            9                           10                            11                            12




Does technology used in racing plugs
find its way into Bosch spark plugs?
                                                                                                                                       13                            14                           15                           16                            17                            18
Yes!Racing,asithasfor100years,       ChampionshipswonbyStoneBrothers         Manypremiumpassengercarspark
providesagreatdevelopmentalimpetus      Racing,MarcusAmbrosehaveused            plugsusemultiplegroundelectrodes
andtestbedforsparkplugdurability      Boschsparkplugs.                           andpreciousmetals,suchasyttrium
andperformance,andwhatislearned        AlsothefirstIndy500wonbyRay          andplatinum,whichareadirectresult
atIndyorDarlington,orLeMansor        Harroun’sMarmonWasptothelast           oftheirdevelopmentandtestinginlong    1 + 2 Normal                                 7 + 8 Lead deposits                        13 Partially melted centre electrode         16 Heavy wear on centre electrode
Bathursthelpsimprovethesparkplugs      17Indy500winners,andmanyin            distanceracing.                             Insulator nose greyish-yellow to russet      In places the insulator nose is glazed     Centre electrode partially melted,           Cause : Recommended interval
installedintoday’scarsortrucks.From   between,eachhaveusedBoschspark                                                      brown.                                       brownish yellow; this may also tend        blistered, spongy insulator tip.             between sparkplug changes not
the2003and2004V8Supercar                plugs.                                                                                   Engine is in order. Heat range of plug       towards green.                             Cause : Overheating due to auto-             complied with.
                                                                                                                                       correct.                                     Cause : Fuel additives which contain       ignition, eg: due to overadvanced            Effect : Misfiring, particularly when
                                                                                                                                       Mixture setting & ignition timing are        lead.The glaze appears in the case of      ignition timing, combustion deposits         accelerating. (ignition voltage no longer
                                                           GloSSArY                                                                    correct, no misfiring, cold starting         heavy engine loading after lengthy part-   in combustion chamber, defective             sufficient for large electrode gap)
                                                                                                                                       device functions correctly.                  load operation.                            valves, defective ignition distributor,      Poor starting performance
multi Ground.                                Radio Frequency Interference (RFI)           Bridging                                     No deposits from fuel additives              Effect : Under heavy loading deposits      inadequate fuel quality, heat range          Remedy : New spark plugs.
Plugswithmultiplegroundelectrodes       Whenthesparkplugcreatesaspark,        Overtime,contaminantscanbuildon        containing lead or from alloying             become electrically conductive & cause     possibly too low.                            17 Heavy wear on ground electrode
arecalledmultiground.Theseplugs        ahighfrequencyburstofenergyis         thesurfaceofthesparkplugifitdoes    constituents in the engine oil.              misfiring.                                 Effect : Misfiring, loss of power. (engine   Cause : Aggressive fuel & oil
alsousesurfacegapsparkpatternsand     created.Ifthisenergywastotravel       notreachself-cleaningtemperature         No overheating.                              Remedy : New spark plugs, cleaning is      damage)                                      additives. Unfavourable influence of gas
themultiplegroundelectrodesincrease     throughtheignitionwires,itcould        often.Thesebuild-upscangrow             3 + 4 Soot - carbon fouled                   pointless.                                 Remedy : Check engine, ignition &            turbulence in the combustion chamber,
servicelife.                                causeinterferencewithothersensitive     betweentheelectrodesuntilthey           Insulator nose, electrodes & spark-plug      9 + 10 Heavy Lead deposits                 mixture formation. New spark plugs           possibly caused by deposits. Knocking.
                                             electronicdevices,suchastheradio       areactuallyconnectedbyabridgeof       shell covered with velvet-like, dull black   In places the insulator nose is thickly    with correct heat range.                     No overheating.
Surface Gap                                  orelectroniccontrolunits.Theresistor   contaminants.Thiswilloftencause         soot deposits.                               glazed brownish-yellow, this may also      14 Centre electrode melted away              Effect : Misfiring particularly when
Surfacegaptechnologyiswhenthe          inthesparkplugreducesthisenergy       misfire                                      Cause : Incorrect mixture setting            tend towards green.                        Centre electrode melted away, ground         accelerating. (ignition voltage no longer
groundelectrodeistothesideofthe      beforeitcausesinterferencewithother                                                 (carburettor, fuel injection) mixture        Cause : fuel additives which contain       electrode also severely attacked.            sufficient for large electrode gap.)
centreelectrode.Therecanbeno           electricalcomponents.                       Flashover                                    too rich, air filter very dirty, automatic   lead.The glaze appears in the case of      Cause : Overheating due to auto-             Poor starting performance.
groundelectrode(racingapplications),                                                  Occurswhenthesparkdoesnotjump         choke not in order or manual choke           heavy engine loading after lengthy part-   ignition, eg: due to over-advanced           Remedy: new spark plugs.
multiplegroundelectrodes(PT+4and        Fouling                                      betweentheelectrodeswithinthe           pulled too long, mainly short distance       load operation.                            ignition timing, combustion deposits         18 Cracking of insulator nose
PT2),orasinglegroundelectrode.         Foulingoccurswhenaplugbecomes          combustionchamber,butinstead             driving, spark plug too cold, heat range     Effect : Under heavy loading, deposits     in combustion chamber, defective             Cause: Mechanical damage due to
Thesesparkplugshaveimproved             contaminatedwithfuel,oil,orother       jumpsbetweenthemetalshellandthe       code number too low                          become electrically conductive & cause     valves, defective ignition distributor,      impact, dropping or pressure on the
efficiencyandahigherprobabilityof      contaminatesthatpreventtheplug          terminalontopoftheplug.Thiswill      Effect : Misfiring, poor cold-starting       misfiring.                                 inadequate fuel quality.                     centre electrode resulting from incorect
ignitingaleanair/fuelmixture.            fromgeneratingaspark.Mostplugs         alwayscauseamisfiresincetheair/fuel   performance.                                 Remedy : new spark plugs, cleaning is      Effect : Misfiring, loss of power,           handling. In marginal cases - especially
                                             todayaredesignedtoreducefouling        mixturewillnotbeignited.Boschspark    Remedy : Set mixture & cold-starting         pointless.                                 possibly engine damage. Overheated           after excessively long use - the insulator
Resistor                                     andbecomeself-cleaningwhenthey          plugshavearibbedinsulatortoprevent    device correctly, check air filter.          11 + 12 Heavy Lead deposits                centre electrode may result in insulator     nose may crack due to deposits
Manysparkplugshaveaspecial             reach500degreesCelsius.However,         flashover.                                   5 + 6 Oil-fouled                             Heavy ash deposits from oil & fuel         nose cracking.                               between the centre electrode and
conductiveglasssealbetweenthe           shorttrips,lowspeeddriving,improper                                                 Insulator nose electrodes & spark-plug       additives on the insulator nose, in        Remedy : Check engine,ignition &             insulator nose, and due to corrosion of
centreelectrodeandtheterminal           sparkplugheatrange(toocold),           Quenching                                    shell covered with shiny soot or carbon      the scavenging area & on the ground        mixture formation. New spark plugs.          the centre electrode.
stud.Thissealactsasaresistorinthe   impropertiming,oranoilleakinthe      Thepurposeofasparkplugisto           residue.                                     electrode.The structure of the ash is      15 Partially melted electrodes               Effect: Misfiring, sparkover at points
plugwhichreducesthetransmission         combustionchambercancauseaspark        introduceenoughheatintothe              Cause : Too much oil in combustion           loose to cinder-like.                      Cauliflower-like appearance of the           not reliably supplied with fresh mixture.
ofpulsesofenergytotheignition         plugtobecomefouled.                       combustionchambertoinitiatea            chamber. Oil level too high, badly worn      Cause : Alloying constituents, in          electrodes.                                  Remedy: New spark plugs.
cables.ThesepulsescancauseRadio                                                     smoothburnoftheair/fuelmixture.        piston rings, cylinders & valve guides. In   particular from oil,can deposit this ash   Possibly deposition of foreign matter.
FrequencyInterference(RFI)with                                                        Quenchingoccurswhenthatheat             two stroke gasoline engines, too much        in the combustion chamber & on the         Cause : overheating due to auto-
electricalcomponentsinthecar.For                                                    generatedbythesparkisre-absorbed       oil in mixture.                              spark-plug face.                           ignition, eg: due to over-advanced
somenewercars,resistorplugsare                                                      backintothegroundelectrode,the         Effect : Misfiring, poor starting            Effect : Can lead to auto ignition with    ignition timing, combustion deposits
requiredforeffectivecommunication                                                     centreelectrode,andtheceramic           performance.                                 loss of power & engine damage.             in combustion chamber, defective
betweentheplugsandtheelectronic                                                     insulation.Toreducequenchingand         Remedy : Overhaul engine, correct            Remedy : Repair engine. New spark          valves, defective ignition distributor,
ignition.                                                                                 ensureanefficienttransferofheat,       fuel-oil mixture, new spark plugs.           plugs. Possibly use other oil.             inadequate fuel quality.
                                                                                          BoschPlatinum+4andPlatinum2spark                                                                                                Effect : Loss of power prior to complete
                                                                                          plugsusesurfacegaptechnologies.                                                                                                  failure. (engine damage).
                                                                                                                                                                                                                               Remedy : Check engine, ignition &
                                                                                                                                                                                                                               mixture formation. New spark plugs.


BoschAutomotiveAftermarket                                                                                                  2008    2008                                                                                                                                  BoschAutomotiveAftermarket
A 0 |Technicalinformation                                                                                                                                               SparkPlugprogram|A 1



Spark Plug faces for the Spark Plug program                    Spark Plug program




1                          2      3           4    5




                                                                                  mm
                                                                                       1)         )                                                          )




                                                               D
                                                               D7      AC       0,9         4          Super          M 18x1,5    10,9   20,8           Ma
                                                               D8      AC       0,9         4          Super          M 18x1,5    10,9   20,8           Ma

6                          7      8           9    10          DR
                                                               DR 6  BC         0,7         3          Super      R   M 18x1,5    10,9   20,8       O   Ma
                                                               DR 7  BC         0,8         3          Platinum   R   M 18x1,5    10,9   20,8       O   Ma
                                                               DR 8  BC         0,9         3          Super      R   M 18x1,5    10,9   20,8       O   Ma
                                                                     BPX        1,1         1          Platinum   R   M 18x1,5    10,9   20,8       O   Ma
                                                                     BPX+       1,1         1          Platinum   R   M 18x1,5    10,9   20,8       O   Ma
                                                               DR 9 BC          0,9         3          Super      R   M 18x1,5    10,9   20,8       O   Ma
                                                                     BPX        1,1         1          Platinum   R   M 18x1,5    10,9   20,8       O   Ma
11                         12     13          14   15                BPX+       1,1         1          Platinum   R   M 18x1,5    10,9   20,8       O   Ma
                                                               DR 10 BC         0,9         3          Super      R   M 18x1,5    10,9   20,8       O   Ma

                                                               F
                                                               F 07    CS        –          –          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                                       DER       –          –          Ni-Yt      R   M 14x1,25   19     16     O       SAE               Racing
                                                               F 08    CS        –          –          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                                       CS 0      –          –          Silver         M 14x1,25   19     16     O       SAE               Racing
16                         17     18          19   20          F 09    CS       0,6         6          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                               F2      CS       0,6         6          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                               F3      CS       0,6         6          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                               F4      CS       0,6         6          Silver         M 14x1,25   19     16     O       SAE               Racing
                                                               F5      DP 0 R   0,6         7          Platinum   R   M 14x1,25   19     16     O       Ma                Special platinum electrode
                                                               F6      DSR      0,7         3          Silver     R   M 14x1,25   19     16     O       SAE

                                                               FGR
21                         22     23          24   25          FGR 6 DQI                               Fusion                                                      F8-4
                                                                     HQE 0       1,4        25         Ni-Yt      R   M 14x1,25 19       16     O       SAE
                                                                     KQE        1,6         20         Ni-Yt      R   M 14x1,25 19       16     O       SAE
                                                               FGR 7 DQE+       1,35        23         Super+     R   M 14x1,25 19       16     O       SAE               Ni-Yt centre electrode
                                                                     DQI                               Fusion     R                                                F1-4
                                                                                                                                                                   F1-6
                                                                     DQP        1,6         27         Platinum   R   M 14x1,25 19       16     O       SAE
                                                                     KQE 0      1,6         20         Ni-Yt      R   M 14x1,25 19       16     O       SAE
26                         27     28          29   30                MQPE       1,6         new        Platinum   R   M 14x1,25 25       16     O       SAE
                                                               FGR 8 DQI                                          R                                                F3-4
                                                                     KQE        1,6         20         Ni-Yt      R   M 14x1,25 19       16     O       SAE
                                                                     KQE 0      1,4         20         Ni-Yt      R   M 14x1,25 19       16     O       SAE

                                                               FLR
                                                               FLR 7 LDCU       1,0         12         Super      R   M 14x1,25 19       16     O       SAE
                                                               FLR 8 LDCU+      1,0         12         Super+     R   M 14x1,25 19       16     O       SAE        S9-4   Ni-Yt centre electrode
31                                                             FLR 9 LTE        1,0         22         Ni-Yt      R   M 14x1,25 19       16     O       SAE

                                                               FQR
                                                               FQR 8 LE 2       0,8         19         Ni-Yt      R   M 14x1,25 19       16     O       SAE
                                                                     LEU 2      1,0         19         Ni-Yt      R   M 14x1,25 19       16     O       SAE




                                                               1)
                                                               2)
                                                               3)


BoschAutomotiveAftermarket                           2008   2008                                                                                                      BoschAutomotiveAftermarket
A  |Technicalinformation                                                                                                                                                                                                                     SparkPlugprogram|A 



Spark Plug program                                                                                                                    Spark Plug program



                    mm




                                                                                                                                                          mm
                        1)        )                                                     )                                                                   1)        )                                                         )




FR                                                                                                                                    FR8     DPX       1,1        1         Platinum+   R   M 14x1,25 19       16   O       Ma         P4-4
FR 5   DC        0,8         3         Super       R   M 14x1,25   19     16   O   Ma                                                                                                                                                   P4-6
       DCX       1,1         3         Super       R   M 14x1,25   19     16   O   Ma                                                         DS        0,9        3         Silver      R   M 14x1,25   19     16   O       Ma
       DP        0,6         1         Platinum+   R   M 14x1,25   19     16   O   Ma                                                         HC        0,8        8         Super       R   M 14x1,25   19     16   O       SAE
       DPP 222 U 1,0         21        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum                         HDC       1,0        12        Super       R   M 14x1,25   19     16   O       Ma
       DTC       0,8         11        Super       R   M 14x1,25   19     16   O   SAE                                                        HC 0 X    1,1        10        Super       R   M 14x1,25   19     16   O       Mb
       LDC       0,8         12        Super       R   M 14x1,25   19     16   O   M4                                                         HP        0,9        17        Platinum    R   M 14x1,25   19     16   O       Ma
FR 6   DC+       0,8         3         Super+      R   M 14x1,25   19     16   O   Ma                 Ni-Yt centre electrode                  HP+       0,9        17        Platinum+   R   M 14x1,25   19     16   O       Ma
       DCX       1,1         3         Super       R   M 14x1,25   19     16   O   Ma                                                         HP 0      1,1        17        Platinum    R   M 14x1,25   19     16   O       Ma                 Special platinum electrode
       DDC       0,8         12        Super       R   M 14x1,25   19     16   O   SAE                                                        HPX+      1,1                  Platinum+   R   M 14x1,25   19     16   O       Ma         P9-4
       DP        0,6         1         Platinum+   R   M 14x1,25   19     16   O   Mb                                                                                                                                                   P9-6
       DPP22     0.8         21        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum                         KCU       1,0        3         Super       R   M 14x1,25   19     16   O       Ma
       DPP 22 U 1,0          21        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum                         KDC       1,0        12        Super       R   M 14x1,25   19     16   O       SAE
       DPX       1,1         1         Platinum    R   M 14x1,25   19     16   O   Ma                                                         KTC       1,0        22        Super       R   M 14x1,25   19     16   O       Ma
       DPX       1,1         1         Platinum+   R   M 14x1,25   19     16   O   Ma         P14-4                                           LC        0,7        19        Super       R   M 14x1,25   19     16   O       Ma
       DS        0,7         3         Silver      R   M 14x1,25   19     16   O   Mb                                                         LCX       1,1        19        Super       R   M 14x1,25   19     16   O       SAE
       DTC       0,7         11        Super       R   M 14x1,25   19     16   O   Ma                                                         LPX       1,1        1         Platinum+   R   M 14x1,25   19     16   O       SAE        P19-4
       KDE 0     0,6         12        Ni-Yt       R   M 14x1,25   19     16   O   Ma                                                         ME        0,9        3         Ni-Yt       R   M 14x1,25   26,5   16   O       SAE
       KDC       1,0         12        Super       R   M 14x1,25   19     16   O   SAE                                                        NP        0,9        1         Platinum    R   M 14x1,25   26,5   16   O       SAE        P11-4
       KTC       0,8         22        Super       R   M 14x1,25   19     16   O   SAE                                                        SE 0      0,9        1         Ni-Yt       R   M 14x1,25   26,5   16   O       SAE
       KPP33X 1,1            21        Super+      R   M 14x1,25   19     16       SAE                                                        SPP 332   1.0        30        Platinum    R   M 14x1,25   26.5   16   O       SAE                Double platinum
       LDC       0,9         12        Super       R   M 14x1,25   19     16   O   SAE                                                FR 9    DC        0,8        3         Super       R   M 14x1,25   19     16   O       Ma
       LTC       1,0         22        Super       R   M 14x1,25   19     16   O   Ma                                                         DCX       1,1        3         Super       R   M 14x1,25   19     16   O       Ma
       MPP 332 0,8           30        Platinum+   R   M 14x1,25   26,5   16   O   SAE                Double platinum                         HC        0,9        8         Super       R   M 14x1,25   19     16   O       Ma
FR 7   DC+       0,9         3         Super+      R   M 14x1,25   19     16   O   Ma         S8-4    Ni-Yt centre electrode                  HCV       1,3        8         Super       R   M 14x1,25   19     16   O       Ma
       DCX+      1,1         3         Super+      R   M 14x1,25   19     16   O   Ma         S11-4   Ni-Yt centre electrode                  HP        0,9        17        Platinum+   R   M 14x1,25   19     16   O       Ma
       DP        0,6         1         Platinum+   R   M 14x1,25   19     16   O   Mb         P6-4                                            HPV       1,3        17        Platinum+   R   M 14x1,25   19     16   O       Ma
       DPP+      0,7         21        Platinum+   R   M 14x1,25   19     16   O   SAE                Double platinum                         LCX       1,1        19        Super       R   M 14x1,25   19     16   O       Ma
       DPP 33 0,7            21        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum
       DPX       1,1         1         Platinum+   R   M 14x1,25   19     16   O   Ma         P1-4                                    H
                                                                                              P1-6                                    H2      CS        0,6        6         Silver          M 14x1,25 17,5     16       O   Mb                 Racing
       HC 0 X     1,1        10        Super       R   M 14x1,25   19     16   O   SAE                                                H3      CS        0,6        6         Silver          M 14x1,25 17,5     16       O   Mb                 Racing
       HP         0,8        1         Platinum+   R   M 14x1,25   19     16   O   SAE                                                H4      CS        0,6        6         Silver          M 14x1,25 17,5     16       O   Mb                 Racing
       HPP 222    1,0        28        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum
       KCW        0,9        3         Super       R   M 14x1,25   19     16   O   SAE                                                HGR
       KCX        1,1        3         Super+      R   M 14x1,25   19     16   O   Ma         S31-4                                   HGR 6 DQI                              Fusion                                      O              F11-4
       KTC        1,0        22        Super       R   M 14x1,25   19     16   O   Ma                                                       KQC         1,6        20        Super       R   M 14x1,25 17,5     16       O   SAE
       KP         0,8        1         Platinum+   R   M 14x1,25   19     16   O   SAE        P10-4                                   HGR 7 KQC         1,6        20        Super       R   M 14x1,25 17,5     16       O   SAE
       KPP 33     0,7        21        Platinum+   R   M 14x1,25   19     16   O   SAE                Double platinum                 HGR 8 DQI                              Fusion                                      O              F7-4
       KPP 33U+   0,7        21        Super+      R   M 14x1,25   19     16       SAE        S38-6                                                                                                                                     F7-6
       KPX        1,1        1         Platinum+   R   M 14x1,25   19     16   O   Ma         P3-4                                    HGR 8 MQI                              Fusion                                                     F10-6
       LC 2       0,7        19        Super       R   M 14x1,25   19     16   O   SAE                Copper core in centre           HGR 9 BQI                              Fusion                                                     F9-4
                                                                                                      and ground electrode                  DQI                              Fusion                                                     F5-4
       LCX+       1,1        19        Super+      R   M 14x1,25   19     16   O   SAE        S32-4                                                                                                                                     F5-6
       LDC+       1,0        12        Super+      R   M 14x1,25   19     16   O   SAE                Ni-Yt centre electrode
       LPX        1,1        1         Platinum+   R   M 14x1,25   19     16   O   SAE        P5-4                                    HLR
       ME         0,9        3         Ni-Yt       R   M 14x1,25   26,5   16   O   SAE                                                HLR 8 STEX        1,1        22        Super       R   M 14x1,25 25       16       O
FR 8   DC+        0,8        3         Super+      R   M 14x1,25   19     16   O   Ma                 Ni-Yt centre electrode
       DCX+       1,1        3         Super+      R   M 14x1,25   19     16   O   Ma         S19-4   Ni-Yt centre electrode
       DCY        1,5        3         Super       R   M 14x1,25   19     16   O   Ma
       DP         0,8        1         Platinum+   R   M 14x1,25   19     16   O   Ma
       DPP 33     1,0        30        Platinum    R   M 14x1,25   19     16   O   SAE                Double platinum

1)                                                                                                                                   1)
2)                                                                                                                                    2)
3)                                                                                                                                    3)


BoschAutomotiveAftermarket                                                                                                  2008   2008                                                                                                     BoschAutomotiveAftermarket
A 4 |Technicalinformation                                                                                                                                                                                                               SparkPlugprogram|A 



Spark Plug program                                                                                                                        Spark Plug program



                    mm




                                                                                                                                                          mm
                        1)        )                                                     )                                                                   1)        )                                                           )




HR                                                                                                                                        HR9  LPP22Y   1,5        19        Platinum    R   M 14x1,25   17,5   16         O   SAE        Double platinum
HR 5   DC         0,6        3         Super       R   M 14x1,25   17,5   16   O   Ma                                                          LPX      1,1        1         Platinum+   R   M 14x1,25   17,5   16         O   Ma
HR 6   BC         0,9        3         Super       R   M 14x1,25   11,2   16   O   Ma                                                     HR10 AC       0,9        4         Super       R   M 14x1,25   11,2   16         O   Ma
       DC+        0,8        3         Super+      R   M 14x1,25   17,5   16   O   Ma                 Ni-Yt centre electrode                   ACY      1,5        4         Super       R   M 14x1,25   11,2   16         O   Ma
       DP         0,7        1         Platinum+   R   M 14x1,25   17,5   16   O   Mb                                                          BC       0,9        3         Super       R   M 14x1,25   11,2   16         O   Ma
       DS         0,6        3         Silver      R   M 14x1,25   17,5   16   O   Mb                                                          BCX      1,1        3         Super       R   M 14x1,25   11,2   16         O   Ma
HR 7   DC+        0,8        3         Super+      R   M 14x1,25   17,5   16   O   Ma                 Ni-Yt centre electrode                   BCY      1,5        3         Super       R   M 14x1,25   11,2   16         O   Ma
       DCX        1,1        3         Super       R   M 14x1,25   17,5   16   O   SAE                                                         BCZ      2,0        3         Super       R   M 14x1,25   11,2   16         O   Ma
       DCY        1,5        3         Super       R   M 14x1,25   17,5   16   O   Ma                                                          DCX      1,1        3         Super       R   M 14x1,25   17,5   16         O   Ma
       DCY+       1,5        3         Super+      R   M 14x1,25   17,5   16   O   Ma         S37-6                                            HC 0     1,4        10        Super       R   M 14x1,25   17,5   16         O   Ma
       DP         0,7        1         Platinum+   R   M 14x1,25   17,5   16   O   Ma
       DPP 22     1,2        21        Platinum    R   M 14x1,25   17,5   16   O   SAE                Double platinum                     HS
       DPX        1,1        1         Platinum    R   M 14x1,25   17,5   16   O   SAE        P21-6                                       HS 5    E     0,5        4         –               M 14x1,25 9,5      16         O   Ma         Chrome-nickel centre electrode;
       MPP+       1,0        21        Super+      R   M 14x1,25   25     16   O   SAE                Double platinum                                                                                                                     for low-output engines
       MPP 302    1,1        21        Platinum    R   M 14x1,25   25     16   O   SAE                Double platinum                     HS 6    E     0,5        4         –               M 14x1,25 9,5      16         O   Ma         Chrome-nickel centre electrode;
HR 8   AC         0,9        4         Super       R   M 14x1,25   11,2   16   O   Ma                                                                                                                                                     for low-output engines
       BC         0,9        3         Super       R   M 14x1,25   11,2   16   O   Ma                                                     HS 7 E        0,5        4         –               M 14x1,25 9,5      16         O   Ma         Chrome-nickel centre electrode;
       BCY        1,5        3         Super       R   M 14x1,25   11,2   16   O   Ma                                                                                                                                                     for low-output engines
       BP         0,9        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                             F     0,7        3         –               M 14x1,25 9,5      16         O   Ma         Chrome-nickel centre electrode;
       BPX        1,1        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                                                                                                                     for low-output engines
       DC+        0,8        3         Super+      R   M 14x1,25   17,5   16   O   Ma                 Ni-Yt centre electrode              HS 8    E     0,5        4         –               M 14x1,25 9,5      16         O   Ma         Chrome-nickel centre electrode;
       DCV+       0,8        3         Super+      R   M 14x1,25   17,5   16   O   Ma         S30-6   Ni-Yt centre electrode                                                                                                              for low-output engines
       DCX+       1,1        3         Super+      R   M 14x1,25   17,5   16   O   Ma         S35-4
       DCY        1,5        3         Super       R   M 14x1,25   17,5   16   O   Ma                                                     M
       DPP 15 V   1,3        21        Platinum    R   M 14x1,25   17,5   16   O   SAE                Double platinum                     M4      AC    0,5        4         Super           M 18x1,5    12,7   26     O       Mb
       DPP 22 U   1,0        21        Platinum    R   M 14x1,25   17,5   16   O   SAE                Double platinum                     M5      AC    0,5        4         Super           M 18x1,5    12,7   26     O       Mb
       DPV        1,3        1         Platinum+   R   M 14x1,25   17,5   16   O   SAE                                                    M7      AC    0,5        4         Super           M 18x1,5    12,7   26     O       Mb
       DPX        1,1        1         Platinum+   R   M 14x1,25   17,5   16   O   Ma         P16-4                                                     0,7        4         Super           M 18x1,5    12,7   26     O       Ma
       LPX        1,1        1         Platinum+   R   M 14x1,25   17,5   16   O   Ma                                                     M8   AC       0,5        4         Super           M 18x1,5    12,7   26     O       Mb
       MEV        1,3        3         Ni-Yt       R   M 14x1,25   25     16   O   SAE                                                    M 10 AC       0,5        4         Super           M 18x1,5    12,7   26     O       Mb
       MPV        1,3        1         Platinum+   R   M 14x1,25   25     16   O   SAE        P18-4                                            AC 0     0,7        4         Super           M 18x1,5    12,7   20,8   O       Ma
HR 9   AC         0,9        4         Super       R   M 14x1,25   11,2   16   O   Ma                                                     M 12 B        0,7        3         Super           M 18x1,5    12,7   26     O       Ma
       ACY        1,5        4         Super       R   M 14x1,25   11,2   16   O   Ma
       APX+       1,1        2         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                     U
       BC+        0,8        3         Super+      R   M 14x1,25   11,2   16   O   Ma         S25-4   Ni-Yt centre electrode              U3      CC    0,7        4         Super           M 10x1      19     16     O       Ma
                                                                                              S25-6   Ni-Yt centre electrode              U4      AC    0,6        4         Super           M 10x1      12,7   16     O       M4
       BCY        1,5        3         Super       R   M 14x1,25   11,2   16   O   Ma                 Ni-Yt centre electrode              U5      AC    0,6        4         Super           M 10x1      12,7   16     O       M4
       BCY+       1,5        3         Super+      R   M 14x1,25   11,2   16   O   Ma                                                     U6      AC    0,7        4         Super           M 10x1      12,7   16     O       Ma
       BCZ        2,0        3         Super       R   M 14x1,25   11,2   16   O   Ma
       BP         0,9        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                     UH
       BPX        1,1        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                     UH 5    CC    0,8        4         Super           M 10x1      19     16     O       Ma
       BPY        1,5        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma         P17-4
       BPZ        2,0        1         Platinum+   R   M 14x1,25   11,2   16   O   Ma                                                     UR
       DC         0,9        3         Super       R   M 14x1,25   17,5   16   O   Ma                                                     UR 2    CC    0,7        4         Super       R   M 10x1      19     16     O       Ma
       DCX        1,1        3         Super       R   M 14x1,25   17,5   16   O   Ma                                                     UR 3    AC    0,7        4         Super       R   M 10x1      12,7   16     O       Mb
       DCY+       1,5        3         Super       R   M 14x1,25   17,5   16   O   Ma         S26-6   Ni-Yt centre electrode                      AS    0,7        6         Silver      R   M 10x1      12,7   16     O       Ma
       DPX        1,1        1         Platinum+   R   M 14x1,25   17,5   16   O   Ma                                                             CC    0,7        4         Super       R   M 10x1      19     16     O       Ma
       DPY        1,5        1         Platinum+   R   M 14x1,25   17,5   16   O   Ma         P12-6                                       UR 4    AC    0,6        4         Super       R   M 10x1      12,7   16     O       Mb
       HC 0       1,3        10        Super       R   M 14x1,25   17,5   16   O   Ma                                                             AS    0,7        6         Silver      R   M 10x1      12,7   16     O       Mb
       HP 0       1,3        18        Platinum    R   M 14x1,25   17,5   16   O   Ma                 Special platinum electrode          UR 5    AC    0,6        4         Super       R   M 10x1      12,7   16     O       Mb
       LCX        1,1        19        Super       R   M 14x1,25   17,5   16   O   Ma                                                     UR 6    AC    0,7        4         Super       R   M 10x1      12,7   16     O       Ma
       LCY        1,5        19        Super       R   M 14x1,25   17,5   16   O   Ma                                                             DE    0,6        3         Super       R   M 10x1      19     16     O       Ma

1)                                                                                                                                       1)
2)                                                                                                                                        2)
3)                                                                                                                                        3)


BoschAutomotiveAftermarket                                                                                                      2008   2008                                                                                           BoschAutomotiveAftermarket
A 6 |Technicalinformation                                                                                                                                                                                                       SparkPlugprogram|A 7



Spark Plug program                                                                                                                 Spark Plug program



                   mm




                                                                                                                                                 mm
                       1)        )                                                       )                                                         1)        )                                                            )




USR                                                                                                                                W9   AC     0,7        4         Super           M 14x1,25   12,7   20,8   O        Mb
USR 7 AC         0,5        4         Super      R   M 10x1      12,7   16     O	   SAE                                                 CC     0,7        4         Super           M 14x1,25   19     20,8   O        Mb
                                                                                                                                        EC     0,9        4         Super           M 14x1,25   9,5    20,8   O        Ma
VR                                                                                                                                      EC 0   0,7        4         Super           M 14x1,25   9,5    20,8   O        Ma
VR 8   SE        0,9        19        Ni-Yt      R   M 12x1,25 26,5     14     O    SAE                                                 LDCR   0,8        12        Super       R   M 14x1,25   19     20,8   O        Mb
                                                                                                                                   W 10 AC     0,5        4         Super           M 14x1,25   12,7   20,8   O        Ma
W                                                                                                                                              0,7        4         Super           M 14x1,25   12,7   20,8   O        Mb
W 06 CS          0,6        6         Silver         M 14x1,25   19     20,8   O    Ma                                                  CC     0,7        4         Super           M 14x1,25   19     20,8   O        Mb
W 07 AS          0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                                  DC     0,7        3         Super           M 14x1,25   19     20,8   O        Ma
     CS          0,6        6         Silver         M 14x1,25   19     20,8   O    Ma                                                  EC     0,7        4         Super           M 14x1,25   9,5    20,8   O        Ma
W 08 AS          0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                                  LCX    1,1        19        Super           M 14x1,25   19     20,8   O        Ma
     CS          0,6        6         Silver         M 14x1,25   19     20,8   O    Ma                                             W 11 E 0    0,7        4         –               M 14x1,25   9,5    20,8   O        Ma
W 2 AC           0,5        4         Super          M 14x1,25   12,7   20,8   O    Mb
     AS          0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                             WC
     CC          0,5        4         Super          M 14x1,25   19     20,8   O    Mb                                             WC 7 A      0,5        4         –           R   M 14x1,25 12,7     20,8   O                   5/8≤ Shielded, waterproof
     CS          0,6        6         Silver         M 14x1,25   19     20,8   O    Ma                                                                                                                                            for ignition cable Ø 7 mm
W 3 AC           0,5        4         Super          M 14x1,25   12,7   20,8   O    Ma                                                                                                                                            connection 5/8≤-24UNEF2A
                 0,7        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                                                                                                            Chrome-nickel centre electrodes
       AS        0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                                     D   0,7        3         –           R   M 14x1,25 19       20,8   O                   5/8≤ Shielded, waterproof;
       CC        0,5        4         Super          M 14x1,25   19     20,8   O    Ma                                                                                                                                            for ignition cable Ø 7 mm
       CS        0,6        6         Silver         M 14x1,25   19     20,8   O    Ma                                                                                                                                            connection 5/8≤-24UNEF-2A,
       DDP 0 R   0,3        –         Platinum   R   M 14x1,25   19     20,8   O    Ma         For stationary gas engines                                                                                                         Chrome-nickel centre electrodes
       DP 0      0,6        7         Platinum       M 14x1,25   19     20,8   O    Mb         Special platinum electrode          WC 8 DC     0,7        3         Super       R   M 14x1,25 19       20,8   O                   5/8 Shielded, waterproof;
W4     AC        0,5        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                                                                                                            for ignition cable Ø 7 mm
                 0,7        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                                                                                                            connection 5/8≤-24UNEF-2A,
       AS        0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                                                                                                                            Chrome-nickel centre electrodes
       BC        0,6        3         Super          M 14x1,25   12,7   20,8   O    Ma
       CC        0,5        4         Super          M 14x1,25   19     20,8   O    Ma                                             WeA
W4     CC        0,7        4         Super          M 14x1,25   19     20,8   O    Mb                                             WEA         1,2        –         –           –   M 14x1,25 12,7     20,8   O        Ma
       CS        0,6        6         Silver         M 14x1,25   19     20,8   O    Ma
       DP 0      0,6        7         Platinum       M 14x1,25   19     20,8   O    Mb         Special platinum electrode          Wr
                 0,8        7         Platinum       M 14x1,25   19     20,8   O    Mb         Special platinum electrode          WR 2 CC     0,5        4         Super       R   M 14x1,25   19     20,8   O        M4
W5     AC        0,5        4         Super          M 14x1,25   12,7   20,8   O    Ma                                             WR 3 AP     0,7        2         Platinum+   R   M 14x1,25   12,7   20,8   O	   	   Ma
                 0,7        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                  CC     0,7        4         Super       R   M 14x1,25   19     20,8   O        Ma
       AS        0,6        6         Silver         M 14x1,25   12,7   20,8   O    Ma                                                  CP     0,7        2         Platinum+   R   M 14x1,25   19     20,8   O        Ma
       CC        0,5        4         Super          M 14x1,25   19     20,8   O    Ma                                                  CS     0,6        6         Silver      R   M 14x1,25   19     20,8   O        SAE
                 0,7        4         Super          M 14x1,25   19     20,8   O    Mb                                                  CTC    1,4        11        Super       R   M 14x1,25   19     20,8   O        SAE
       DP 0      0,6        7         Platinum       M 14x1,25   19     20,8   O    Mb         Special platinum electrode          WR 4 AC     0,7        4         Super       R   M 14x1,25   12,7   20,8   O        Ma
       EC        0,7        4         Super          M 14x1,25   9,5    20,8   O    Ma                                                  AP     0,7        2         Platinum+   R   M 14x1,25   12,7   20,8   O        Ma
W6     AC        0,7        4         Super          M 14x1,25   12,7   20,8   O    Ma                                                  CC     0,7        4         Super       R   M 14x1,25   19     20,8   O        Ma
       CC        0,7        4         Super          M 14x1,25   19     20,8   O    Ma                                                  CP     0,6        2         Platinum+   R   M 14x1,25   19     20,8   O        Ma
W7     AC        0,5        4         Super          M 14x1,25   12,7   20,8   O    Ma                                                  DP 0   0,6        7         Platinum    R   M 14x1,25   19     20,8   O        Ma         Special platinum electrode
                 0,6        4         Super          M 14x1,25   12,7   20,8   O    Mb                                             WR 5 AC     0,5        4         Super       R   M 14x1,25   12,7   20,8   O        Mb
       DSR       0,7        3         Silver     R   M 14x1,25   19     20,8   O    Mb                                                  AP     0,6        2         Platinum+   R   M 14x1,25   12,7   20,8   O        Ma
       EC        0,7        4         Super          M 14x1,25   9,5    20,8   O    Ma                                                  BC     0,7        3         Super       R   M 14x1,25   12,7   20,8   O        Ma
       FC        0,9        3         Super          M 14x1,25   9,5    20,8   O    Ma                                                  CC     0,8        4         Super       R   M 14x1,25   19     20,8   O        Mb
W8     AC        0,5        4         Super          M 14x1,25   12,7   20,8   O    Ma                                                  CP     0,7        2         Platinum+   R   M 14x1,25   19     20,8   O        Ma
                 0,6        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                  DC+    0,8        3         Super+      R   M 14x1,25   19     20,8   O        Ma         Ni-Yt centre electrode
       CC        0,7        4         Super          M 14x1,25   12,7   20,8   O    Mb                                                  DP     0,6        1         Platinum+   R   M 14x1,25   19     20,8   O        Mb
       EC        0,7        4         Super          M 14x1,25   9,5    20,8   O    Mb                                                  DS     0,3        3         Silver      R   M 14x1,25   19     20,8   O        M4
                                                                                                                                               0,8        3         Silver      R   M 14x1,25   19     20,8   O        Mb


1)                                                                                                                                1)
2)                                                                                                                                 2)
3)                                                                                                                                 3)


BoschAutomotiveAftermarket                                                                                               2008   2008                                                                                          BoschAutomotiveAftermarket
A 8 |Technicalinformation                                                                                                                                                                                                    SparkPlugprogram|A 9



Spark Plug program                                                                                                                 Spark Plug program



                  mm




                                                                                                                                                  mm
                      1)        )                                                        )                                                          1)        )                                                        )




                                                                                                                                   WR 9 DPX     1,1        1         Platinum+   R   M 14x1,25   19     20,8   O    Ma
Wr                                                                                                                                       DS     0,7        3         Silver      R   M 14x1,25   19     20,8   O    Mb
WR 6 AC         0,7        4         Super       R   M 14x1,25   12,7   20,8   O    Ma                                                   EC     0,9        4         Super       R   M 14x1,25   9,5    20,8   O    Ma
     BC         0,7        3         Super       R   M 14x1,25   12,7   20,8   O    Ma                                                   EC 3   0,7        4         Super       R   M 14x1,25   11,1   20,8   O    Ma
     CC         0,7        4         Super       R   M 14x1,25   19     20,8   O    Ma                                                   FC     0,9        3         Super       R   M 14x1,25   9,5    20,8   O    Ma
     DC+        0,8        3         Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode                    FP     0,9        1         Platinum+   R   M 14x1,25   9,5    20,8   O    Ma
     DC 2       0,9        3         Super       R   M 14x1,25   19     20,8   O    Ma         Copper core in centre &                   FPY    1,5        1         Platinum+   R   M 14x1,25   9,5    20,8   O    Ma
                                                                                               ground electrode                          FPZ    2,0        1         Platinum+   R   M 14x1,25   9,5    20,8   O    Ma
     DCX        1,1        3         Super       R   M 14x1,25   19     20,8   O    Ma                                                   HC     0,9        8         Super       R   M 14x1,25   19     20,8   O    Mb
     DP         0,7        1         Platinum+   R   M 14x1,25   19     20,8   O    Mb                                                   LCX+   1,1        19        Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode
     DP 0       0,6        7         Platinum    R   M 14x1,25   19     20,8   O    SAE        Special platinum electrode                LE     0,8        19        Ni-Yt       R   M 14x1,25   19     20,8   O    Ma
     DS         0,5        3         Silver      R   M 14x1,25   19     20,8   O    Mb                                                   LEV+   1,3        19        Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode
WR 7 AP         0,6        2         Platinum+   R   M 14x1,25   12,7   20,8   O    Ma                                                   LP     0,9        1         Platinum+   R   M 14x1,25   19     20,8   O    Mb
     BC+        0,8        3         Super+      R   M 14x1,25   12,7   20,8   O    Ma         Ni-Yt centre electrode                    LPV    1,3        17        Platinum+   R   M 14x1,25   19     20,8   O    Mb
     BP         0,7        1         Platinum+   R   M 14x1,25   12,7   20,8   O    Mb                                                   LS     0,7        19        Silver      R   M 14x1,25   19     20,8   O    Mb
     CC         0,8        4         Super       R   M 14x1,25   19     20,8   O    Mb                                             WR 91         –         24        Super4      R   M 14x1,25   19     20,8   O	   Ma
     CCX        1,1        4         Super       R   M 14x1,25   19     20,8   O    Ma                                             WR 10 AC     0,5        4         Super       R   M 14x1,25   12,7   20,8   O	   M4
     CP         0,7        2         Platinum+   R   M 14x1,25   19     20,8   O    Mb                                                   BC     0,8        3         Super       R   M 14x1,25   12,7   20,8   O	   Ma
     CPX        0,7        2         Platinum+   R   M 14x1,25   19     20,8   O    Mb                                                   DC     0,8        3         Super       R   M 14x1,25   12,7   20,8   O	   Ma
     DC+        0,8        3         Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode                    DCX    1,1        3         Super       R   M 14x1,25   19     20,8   O	   Ma
     DCX+       1,1        3         Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode                    FC     0,5        3         Super       R   M 14x1,25   9,5    20,8   O	   Ma
     DP         0,8        1         Platinum+   R   M 14x1,25   19     20,8   O    Mb                                                          0,9        3         Super       R   M 14x1,25   9,5    20,8   O	   Ma
     DPX        1,1        1         Platinum+   R   M 14x1,25   19     20,8   O    Ma                                                   FCY    1,5        3         Super       R   M 14x1,25   9,5    20,8   O	   Ma
     DS         0,7        3         Silver      R   M 14x1,25   19     20,8   O    Mb                                                   FCZ    2,0        3         Super       R   M 14x1,25   9,5    20,8   O	   Ma
                0,9        3         Silver      R   M 14x1,25   19     20,8   O    Ma                                                   LC     0,9        19        Super       R   M 14x1,25   19     20,8   O	   SAE
       EC       0,7        4         Super       R   M 14x1,25   9,5    20,8   O    Ma                                                   LCV    1,3        19        Super       R   M 14x1,25   19     20,8   O	   SAE
       LC       0,7        19        Super       R   M 14x1,25   19     20,8   O    Ma                                             WR 11 E 0    0,8        4         –           R   M 14x1,25   9,5    20,8   O    Ma         Chrome-nickel centre electrode;
       LTC+     1,0        22        Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode                                                                                                          for low-output engines
WR 78            –         24        Super4      R   M 14x1,25   19     20,8   O	   Ma                                                     F    0,5        3         –           R   M 14x1,25 9,5      20,8   O    Ma         Chrome-nickel centre electrode;
WR 8 AC         0,6        4         Super       R   M 14x1,25   12,7   20,8   O	   Ma                                                                                                                                         for low-output engines
      AP        0,8        2         Platinum    R   M 14x1,25   12,7   20,8   O	   Ma                                             WR 12 EC     0,7        4         Super       R   M 14x1,25 9,5      20,8   O    Ma
      AP        0,8        2         Platinum+   R   M 14x1,25   12,7   20,8   O	   Ma
      BC+       0,8        3         Super+      R   M 14x1,25   12,7   20,8   O	   Ma         Ni-Yt centre electrode              WS
      BP        0,7        1         Platinum+   R   M 14x1,25   12,7   20,8   O	   Ma                                             WS 5 E       0,5        4         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      CC        0,8        4         Super       R   M 14x1,25   19     20,8   O	   Mb                                                                                                                                         for low-output engines
      CP        0,9        2         Platinum+   R   M 14x1,25   19     20,8   O	   Ma                                             WS 5 F       0,5        3         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      DC+       0,8        3         Super+      R   M 14x1,25   19     20,8   O	   Ma         Ni-Yt centre electrode                                                                                                          for low-output engines
      DCX+      1,1        3         Super+      R   M 14x1,25   19     20,8   O	   Ma         Ni-Yt centre electrode              WS 6 E       0,5        4         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      DP        0,9        1         Platinum+   R   M 14x1,25   19     20,8   O	   Mb                                                                                                                                         for low-output engines
      DPX       1,1        1         Platinum+   R   M 14x1,25   19     20,8   O	   Ma                                             WS 6 F       0,5        3         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      DS        0,8        3         Silver      R   M 14x1,25   19     20,8   O	   Mb                                                                                                                                         for low-output engines
      EC        0,9        4         Super       R   M 14x1,25   9,5    20,8   O	   Ma                                             WS 7 E       0,5        4         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      FC        0,9        3         Super       R   M 14x1,25   9,5    20,8   O	   Ma                                                                                                                                         for low-output engines
      LP        0,7        1         Platinum+   R   M 14x1,25   19     20,8   O	   Ma                                                     F    0,5        3         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      LC        0,8        19        Super       R   M 14x1,25   19     20,8   O	   Ma                                                                                                                                         for low-output engines
      LC+       0,8        19        Super+      R   M 14x1,25   19     20,8   O	   Ma                                             WS 8 F       0,5        3         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      LTC+      1,0        22        Super+      R   M 14x1,25   19     20,8   O	   Mb         Ni-Yt centre electrode                                                                                                          for low-output engines
WR 9 CC         0,9        4         Super       R   M 14x1,25   19     20,8   O    Mb                                             WS 9 EC      0,6        4         Super           M 14x1,25 9,5      19     O    Ma
      DC+       0,8        3         Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode              WS 12 E      0,7        4         –               M 14x1,25 9,5      19     O    Ma         Chrome-nickel centre electrode;
      DCX+      1,1        3         Super+      R   M 14x1,25   19     20,8   O    Ma         Ni-Yt centre electrode                                                                                                          for low-output engines
      DCY       1,5        3         Super       R   M 14x1,25   19     20,8   O    Ma
      DP        0,8        1         Platinum+   R   M 14x1,25   19     20,8   O    Ma

1)                                                                                                                                1)
2)                                                                                                                                 2)
3)                                                                                                                                 3)


BoschAutomotiveAftermarket                                                                                               2008   2008                                                                                       BoschAutomotiveAftermarket
A 0 |Technicalinformation                                                                                                                                                                                                         Technicalinformation|A 1



Spark Plug program                                                                                                            Installation procedure




                                                                                                                               Correct installation of spark plugs with torque wrench :
                  mm




                                                                                                                                                                                                                  Flat seat                                Conical seat
                      1)        )                                                    )
                                                                                                                              Tighteningtorques(N-m)
                                                                                                                              10Nm=1kpm
WSr                                                                                                                           
WSR 5 F         0,5        3         –          R   M 14x1,25 9,5    19     O   SAE        Chrome-nickel centre electrode;    Note :
                                                                                           for low-output engines             Thetighteningtorqueslistedapplytodry,nongreasedand                  1           2                            1               2
WSR 6 E         0,5        4         –          R   M 14x1,25 9,5    19     O   Ma         Chrome-nickel centre electrode;    nonoiledthreads.                                               M 10 x1      10 ... 15   10 ... 15   M 14 x1.25       20 ... 40       10 ... 20
                                                                                           for low-output engines                                                                               M 12 x1.25   15 ... 25   15 ... 20   M 18 x1.5        30 ... 45       15 ... 23
       F        0,5        3         –          R   M 14x1,25 9,5    19     O   Ma         Chrome-nickel centre electrode;    1incastiron                                                   M 14 x1.25   20 ... 25   15 ... 20
                                                                                           for low-output engines             2inlightalloy                                                 M 14 x1.25   20 ... 40   20 ... 30
WSR 7 F         0,5        3         –          R   M 14x1,25 9,5    19     O   Ma         Chrome-nickel centre electrode;                                                                      M 18 x1.5    30 ... 45   20 ... 35
                                                                                           for low-output engines
WSR 8 E         0,5        4         –          R   M 14x1,25 9,5    19     O   Ma         Chrome-nickel centre electrode;
                                                                                           for low-output engines
       F        0,5        3         –          R   M 14x1,25 9,5    19     O   Ma         Chrome-nickel centre electrode;     Correct installation of spark plugs without torque wrench :
                                                                                           for low-output engines              
WSR 9 EC        0,6        4         Super      R   M 14x1,25 9,5    19     O   Ma                                            Screwinsparkplugbyhanduntilitisseatedinthecylinder                            90°                                      15°
                                                                                                                              head.Newsparkplugswithflatseatarethengivenafurther
X                                                                                                                             approx.90ºturnwithasparkplugwrench.Thefigurefor
X4     CC       0,7        4         Super          M 12x1,25   19   17,5   O   Ma                                            sparkplugswithaconicalseatandusedsparkplugswitha
       DC       0,9        3         Super          M 12x1,25   19   17,5   O   Ma                                            flatseatisapprox.15º.
X5     CC       0,7        4         Super          M 12x1,25   19   17,5   O   Ma
       DC       0,6        3         Super          M 12x1,25   19   17,5   O   M4
                0,7        3         Super          M 12x1,25   19   17,5   O   Ma
       DTC      0,8        11        Super          M 12x1,25   19   17,5   O   SAE

Xr
XR 2   CS       0,7        6         Silver     R   M 12x1,25   19   17,5   O   SAE
XR 4   CS       0,7        6         Silver     R   M 12x1,25   19   17,5   O   Mb
XR 5   CC       0,7        4         Super      R   M 12x1,25   19   17,5   O   Ma                                            Spark plug terminal nuts :
                                                                                                                                                                                                                                                  A               B
       DC       0,6        3         Super      R   M 12x1,25   19   17,5   O   SAE                                            
                0,9        3         Super      R   M 12x1,25   19   17,5   O   Ma                                            Enginesmaybefittedwithsparkplugsofadifferentlength
                                                                                                                                                                                                                                                                         12,5
XR 6   CC       0,7        4         Super      R   M 12x1,25   19   17,5   O   Ma                                            toBoschsparkplugs.                                                                                      10


XR 7   CC       0,7        4         Super      R   M 12x1,25   19   17,5   O   Ma
       DC       0,9        3         Super      R   M 12x1,25   19   17,5   O   Ma                                            1.Screwoutoldsparkplugs.
       LDC      0,8        12        Super      R   M 12x1,25   19   17,5   O   SAE
XR 8   DC       0,9        3         Super      R   M 12x1,25   19   17,5   O   Mb                                            2.ComparetonewBoschsparkplugs.

Y                                                                                                                             3.IftheexchangedsparkplugislongerthantheBosch
Y5     DDC      0,8        12        Super          M 12x1,25 19     16     O   SON                                           sparkplug,replacethescrewed-onterminalnutAwith
Y6     DC       0,6        3         Super          M 12x1,25 19     16     O   SAE                                           thelongerterminalnutBprovided.

Yr
YR 6   LDE     0,8         12        Ni-Yt      R   M 12x1,25 19     16     O   SAE                                           Note :
YR 7   DE      0,9         3         Ni-Yt      R   M 12x1,25 19     16     O   SAE                                           Insofarastheywerenotreceivedfromthemotorvehicleor    Particularoperatingconditionsmaymakeitnecessarytouse
       LPP332W 0,9         30        Platinum   R   M 12x1,25 19     16     O   SAE        Double Platinum                    enginemanufacturer,thesparkplugrecommendationshave         heatrangesotherthanthoserecommended.
                                                                                                                              beendrawnupbyBosch.                                           Ifplugswiththespecifiedelectrodegaparenotavailable,
Zr                                                                                                                            Thesparkplugsrecommendedapplytostandardoperating          theelectrodegapmustbeadjusted.
ZR 8   TPP 15   1,0        29        Platinum   R   M 12x1,25 26,5   14     O   SAE                                           conditionsforseriesmodels,howevernottoracing,special     ItisadvisabletousetheBoschsparkpluggaugeforthis
                                                                                                                              andhighperformanceversions,unlesssuchmodelsare            purpose.
                                                                                                                              specificallylisted.




1)
2)
3)


BoschAutomotiveAftermarket                                                                                          2008   2008                                                                                                    BoschAutomotiveAftermarket
A  |TechnicalInformation                                                                                                                                                                                Technicalinformation|A 



Bosch Tips                                                                                           Bosch Tips




Conversion Table HP             kW                                                                    lPG                                          lPG Only (retrofit)                          lead Replacement Fuel

                                                                                                      WhenoperatingonLPGGAS,the              Inoldercarstheelectrodegapneeds       LRPhastakentheplaceofleaded
                                                                                                      internalcombustionpressuresand           tobeset0.1-0.2mmsmallerandthe      petrolinmostservicestationsaround
    HP             kW                HP       kW               kW      HP      kW        HP           temperaturesarehigher,thisresultsin    heatrangeshouldbeonerangecolder.      Australia.Thisfuelisburningatalower
30             22              155       114              20      27     145      197             ahighervoltagerequiredforionisation.   Misfireduetocarbonfoulingisunlikely   combustiontemperatureselfcleaning
35             26              160       118         25      34     150      204             (thesparktojumptheelectrodegap.)       andthecolderplugshouldincrease         ofthesparkplugmustbeincreasedto
40             29              165       121              30      41     155      211             Witholdercontactignitionsystems,        servicelife.                               burnoffthechemicalresidue.
45             33              170       125              35      48     160      218             areductioninthesparkpluggap
50             37              175       129              40      55     165      224             compensatesforthishighervoltage         Eg:WR8DC+0.8mm(petrol)to               OngoingtestingintheAustralian
55             40              180       132              45      61     170      231             requirement.                                 WR7DC+0.7mm(LPG).                   marketshowsthatitmaybebeneficial
60             44              185       136              50      68     175      238             Gasoperationalsocausesless                                                           insomevehiclestouseahigher
65             48              190       140              55      75     180      245             depositsandfouling,sotheheatrange     Dual Fuel                                    heatrangesparkplugthancurrently
70             51              195       143              60      82     185      252             selectioncanbeonerangecolderthan                                                   recommended.
75             55              200       147              65      88     190      258             thepetrolplug.                             Thesparkplugisusuallymeasuredin
80             59              205       151              70      95     195      265                                                          petrolmodeandyouwillneedtomake       i.e.:
85             63              210       154              75     102     200      272             Thecorrectsparkplugwilldependon       acompromisebetweentheoperation          FordLaserkA,kB1.3,1.5L1981-1985
90             66              215       158              80     109     205      279             whetherthevehicleisruncompletely       onbothfueltypes.                          Currentrecommendation:WR8DC+
95             70              220       162              85     115     210      285             onLPGorisdualfuel.Specialattention
100            74              225       165              90     122    215      292             shouldbepaidtooldercontactignition    IfyouusemainlyLPGtheelectrodegap     Ifproblemsareexperienceddueto
105            77              230       169              95     129    220      299             systems(asfollows).WhereLPGis         shouldbereduced0.1-0.2mmand         LRP,wesuggesttryingWR9DC+
110            81              235       173             100    136     225      306             notspecifiedintheapplicationsection,   gooneheatrangecolder.
115            85              240       177              105    143     230      313             followtheguidelinesbelow:                                                             Ifnoproblemshavebeenexperienced
120            88              245       180              110    150     235      320                                                          Eg:WR8DC+0.8mm(petrol)to               inthechangefromleadedpetrolLRP
125            92              250       184              115    156     240      326             Inhighenergyignitionsystemsthe         WR7DC+0.7mm(LPG).                   orULPthennochangesshouldbe
130            96              255       188              120    163     245      333             recommendationgenerallyremains                                                         madetotheapplication.
135            99              260       191              125    170     250      340             unchangedbetweenLPGandPetrol.           Notethatifthisvehiclerunsonpetrol    Howeverifyouhavefouling(mainly
140            103            265       195             130    177    255      347            Howeveryourdrivingconditionsand         instop/starttrafficitcanmisfireif   instop/startdrivingconditions)this
145            107             270       199              135    184     260      354             LPGPetrolratiomayaffectthis.            usingtheLPGplug.                          changemaybeofbenefit.
150            110            275       202              140    190     265      360
                                                                                                                                              Notethatelectrodegapchanges             ThesameruleappliestoSuper4and
1kW = 1.360HP                                                                       1hp = 0.736Kw                                                  greaterthan0.2mmshouldbeavoided.      Platinumsparkplugs.Thegapremains
                                                                                                                                                   DonotregapSuper4’s.                      unchangedandshouldbesetasper
                                                                                                                                                                                                thecataloguerecommendation.
Electrode Gap

Specified electrode gap

Ifsparkplugswiththespecifiedelectrodegaparenot
available,theelectrodemustbeadjusted.
WerecommendthatyouusetheBoschsparkpluggapgauge
todothis.




BoschAutomotiveAftermarket                                                                 2008   2008                                                                                                   BoschAutomotiveAftermarket
A 4 |Notes




BoschAutomotiveAftermarket   2008

				
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