2003 PORSCHE 911 CARRERA rims

TiresIWheels
Theoriginalequipmenttiresandwheelrimson
yourPorschecomplywithallapplicableFederal
MotorVehicleSafetyStandards.
Foryoursafetyrememberthefollowing:
-Wheelrimsandwheelboltsarematchedtofit
yourPorsche.
-Ifyouintendtouseotherthanoriginalequip-
mentwheels,besurethattheyconformto
Porschespecificationsforyourmodel.
Onlytireswiththesamemakeandwiththe
samespecificationcode(e.g."NO","Nl"...J
canbemounted.
-Theuseofwheelrimsandwheelboltsthatdo
notmeetspecificationsoftheoriginalfactory
installedequipmentwillaffectthesafeoper-
ationofyourvehicle.
-Beforeyouplanonexchangingwheels,or
snowtiresalreadymountedonthewheel
rims,consultyourauthorizedPorschedealer.
Yourdealerhasthetechnicalinformation
necessarytoadviseyouwhichwheelrimsand
wheelboltsarecompatiblewiththeoriginal
factoryinstallations.
/!\Warning!
Riskoflossofcontrolandseriouspersonal
injury.
t>Ifwhiledriving,yourvehicleexperiencesa
suddenvibrationorridedisturbance,and/or
yoususpectthatpossibledamagetoyour
tiresorvehiclehasoccurred,youshouldim-
mediatelyreduceyourspeedwithoutex-
cessiveuseofthebrakes.
t>Stopthevehicleassoonaspossible,andin-
spectthetires.
Ifyoucannotdeterminethecauseforthedis-
turbance,haveyourvehicletowedtothe
nearestPorscheortiredealertohaveyour
vehicleortire(s)inspected.
t>Continuingtooperatethevehiclewithoutcor-
rectioncouldresultinalossofcontroland
seriouspersonalinjury.
t>t>t>
PracticalTips,EmergencyService
197

Tire
wear
TheoriginalequipmenttiresonyourPorsche
havebuilt-intirewearindicators.Theyare
moldedintothebottomofthetreadgrooves
andwillappearasapproximately1/2in(12mm)
bandswhenthetiretreaddepthisdownto
1/16ofanin(1.6mm).
Whentheindicatorsappearintwoormoread-
jacentgrooves,itistimetoreplacethetires.
Werecommend,however,thatyoudonotlet
thetiresweardowntothisextent.
Worntirescannotgriptheroadsurfaceproperly
andareevenlesseffectiveonwetroads.
IntheUnitedStates,statelawsmaygovernthe
minimumtreaddepthpermissible.Followall
suchlaws.
200PracticalTips,EmergencyService
/!\Warning!
Drivingonworntirescanresultinlossof
controlofthevehicleandcouldcause
severepersonalinjuries.
~Donotdrivewithworntiresortiresshowing
cutsorbruisesastheymayleadtosudden
deflationandlossofcontrolwhichcould
causeseverepersonalinjury.
~Specializedhighperformancetiresonhigh
performancesportscarsexhibitmorewear
thanthoseonafamilysedan,orevenahigh
performancesedan.
Therefore,itisimportanttocheckyourtire
pressureandconditionatleasteverytwo
weeks.
Ifyounoticethattiresarewearingunevenly,
consultyourPorschedealer.
Unevenwearmaynotalwaysbeduetoim-
properwheelalignment.Itcanbetheresultof
individualdrivinghabitssuchascorneringat
highspeeds.Ifthetirepressureisnotchecked
andadjustedregularly,abnormaltirewearcan
alsooccur.
Tirecare
~Avoiddamagingtiresandwheelrims.
~Ifyoumustdriveoveracurborotherob-
stacle,driveslowlyandatanobtuseangle.
~Checktiresforunevenwearanddamagebe-
foredrivingoff.
~Removeimbeddedmaterial.
~Replacewornordamagedtiresimmediately.
~Keepoil,fuel,brakefluid,etc.awayfrom
tires.
~Replacemissingvalvestemcaps.
~Keeptiresinflatedcorrectly.

Tires,Rims,Tracks
911Carrera,Carrera
4
TireRimRimoffsetTrack
Summertires
front
205/50ZR177Jx17H250mm57.7
in./1465mm
rear
255/40ZR179Jx17H255mm59.1in./1500mm
orfront225/40ZR188Jx18H250mm57.7in./1465mm
52mm57.3in./1461
mm
rear
285/30ZR1810Jx18H265mm58.3in./1480
mm
orfront
225/40ZR188Jx18H250mm57.7in./1465
mm
rear
295/30ZR1811Jx18H263mm58.4in./1484mm
Snowtires
front
205/50R1789TM+S7Jx17H250mm57.7in./1465
mm
rear
*255/40R1794TM+S9Jx17H255mm59.1in./1500mm
or
front
225/40R1888HM+S7.5Jx18H250mm57.7in./1465mm
225/40R1888HM+S8Jx18H250mm57.7in./1465mm
52mm57.3in./1461
mm
rear
*265/35R1893HM+S10Jx18H265mm58.3in./1480
mm
Theloadcapacitycoefficient
(e.g."88")andmaximum
speedcodeletter(e.g."H")areminimumrequirements.
246TechnicalData

Tire
andrimsizesExtensivetestsareperformedbeforespecifictiresandwheelsareapprovedbyPorsche.
YourPorschedealerhasinformationaboutapprovedtiresandwheelsandishappytoassistyou.
Ifaftermarkettiresand/orwheelsareinstalledwhicharenotapprovedbyPorsche,thevehicle'sroadabilityandhandling
characteristicsmightbeimpaired.SincePorschehasnodataonsuchcombinations,Porschecannotstandbehind
thesafetyordurabilityoftheseaftermarketcombinations.
SnowchainsCanbemountedonlyontherearwheels;maximumspeed30mph/50km/h,
UseonlyPorscheauthorizedfine-linkcross-typeoredgechains.
Snowchainclearancecanbeguaranteedonlyonthetire+rimcombinationmarked*,
Sparewheel911Carrera:T105/95R17high-pressuretireon3.5Jx17rim.
911Carrera4,Carrera4S:165/70R1692Pcollapsibletireon5.5Jx16rim.
Maximumspeed50mph/80km/h,Alwayscomplywiththeinstructionsinthechapter"Sparewheel",
248TechnicalData