BMW M3 2021 Owners Manual

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section,thehighertheriskoftyredamage.
Thereisariskofaccidentandmaterialdamj age.Ifpossible,drivearoundobstaclesordrive
overthemslowlyandcarefully.
Ageoftyres
Recommendation Irrespectiveofthetyretreaddepth,changetyresafter6yearsatthelatest.
Dateofmanufacture
Thedateofmanufactureofthetyreisindicated
onthetyresidewall.
DesignationDateofmanufactureDOT

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Recommendedmakesoftyre
Certainmakesoftyrearerecommendedbythe
manufacturerofthevehicleforeachtyresize. Thetyrebrandscanbeidentifiedbyastaronthe
sidewallofthetyre.
Newtyres Duetothemanufacturingprocess,newtyresdonotachievetheirfullroadgripimmediately.
Drivemoderatelyforthefirst300km,200miles.
Retreadedtyres
WARNING
Retreadedtyresmayhavedifferenttyrecarj
casses.Theirdurabilitymaybereduceddueto
theiradvancedage.Thereisariskofaccident. Donotuseretreadedtyres.
Thevehiclemanufactureradvisesagainsttheuseofretreadedtyres.
Wintertyres GeneralWintertyresarerecommendedifdrivinginwinterconditions.
Althoughtyresknownasall-seasontyreswithan M+Slabelhavebetterwintercharacteristicsthan summertyres,theydonotnormallymatchthe
performanceofwintertyres.
Maximumspeedofwintertyres
Ifthevehicleiscapableofmaximumspeedshigherthanthespeedpermittedforthewintertyres,aninformationlabelstatingthemaximum
permittedspeedforthetyresfittedmustbedisj
playedinthedriver'sfieldofview.Thelabelis
availablefromaServicePartnerofthemanufacj
tureroranotherqualifiedServicePartnerora
specialistworkshop.
Ifwintertyresarefitted,observeanddonotexj
ceedtherespectivelypermittedmaximum
speed.
Rotatingwheelsbetweenaxles
WARNING
Swappingofwheelsbetweenaxlesonvehicles withdifferentlysizedtyresorrimsonthefront andrearcausetyredamageanddamagetothevehicle.Thereisariskofaccident.Donotswap
overwheelsbetweenaxlesonvehicleswithdifj
ferentlysizedtyresorrimsonthefrontand
rear.
Storingtyres
Tyreinflationpressure Donotexceedthemaximumtyreinflationpresj
sureindicatedonthetyre'ssidewall.
Tyrestorage
'xStorewheelsandtyresinacool,dryanddarkplacewhennotinuse.'xProtectthetyresagainstcontaminationfromoil,greaseandsolvents.'xDonotleavetyresinplasticbags.'xRemovedirtfromthewheelsortyres.Seite342MOBILITYWheelsandtyres342
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Remedyingflattyres
Safetymeasures
'xParkthevehicleonafirmsurfaceandasfar
awayfrommovingtrafficaspossible.'xSwitchonthehazardwarninglights.'xApplytheparkingbraketopreventthevehij
clerollingaway.'xEngagethesteeringwheellockwiththe
wheelsinthestraight-aheadposition.'xHaveallvehicleoccupantsgetoutofthevej
hicleandguidethemoutofthedangerarea, forexamplebehindthecrashbarrier.'xSetupthewarningtriangleanappropriatedistanceaway.
MobilitySystem
Principle
WiththeMobilitySystem,minortyredamage
canbequicklysealed,toallowyoutodriveon.
Forthispurpose,liquidsealantispumpedinto
thetyreswhichenclosesthedamagefromthe
insidewhenithardens.
General
'xPleaseobservethenotesontheapplication
oftheMobilitySystemwhichareonthecomj
pressorandthesealantcontainer.'xApplyingtheMobilitySystemcanbeineffecj
tivefortyredamagelargerthanapproximately 4mm.'xContactaServicePartnerofthemanufacj
tureroranotherqualifiedServicePartnerora
specialistworkshopifyouareunabletoput thetyrebackinoperation.'xForeignbodiesthathavepenetratedthetyreshouldremaininsidethetyre.Onlyremove
foreignobjectsiftheyarevisiblyprotruding
fromthetyre.'xRemovethespeedlimitstickerfromthesealj antcontainerandattachtothesteeringwheel.'xUsingsealantscandamagethewheelelecj
tronics.Inthiscase,havetheelectronicsrej placedatthenextopportunity.'xThecompressorcanbeusedtocheckthe
tyreinflationpressure.
Overview
Storage
TheMobilitySystemislocatedinabagintheleftstoragecompartmentoftheboot.Toremoveit,loosenthetensioningstrap.
Sealantcontainer
'xSealantcontainer,arrow1.'xFillerhose,arrow2.
Notetheuse-bydateonthesealantcontainer.
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Compressor1Unlockingsealantcontainer2Sealantcontainerholder3Tyreinflationpressureindicator4Reducetyreinflationpressurebutton5On/Offbutton6Compressor7Plug/cableforsocket8Connectinghose
Safetymeasures
'xParkthevehicleonafirmsurfaceandasfar
awayfrommovingtrafficaspossible.'xSwitchonthehazardwarninglights.'xApplytheparkingbraketopreventthevehij
clerollingaway.'xEngagethesteeringwheellockwiththe
wheelsinthestraight-aheadposition.'xHaveallvehicleoccupantsgetoutofthevej
hicleandguidethemoutofthedangerarea, forexamplebehindthecrashbarrier.'xSetupthewarningtriangleanappropriatedistanceaway.Fillingwithsealingcompound
Safetynotes
DANGER
Ablockedexhaustpipeorinadequateventilaj
tioncanallowharmfulexhaustfumestoenter thevehicle.Theexhaustfumescontainpolluj
tantswhicharecolourlessandodourless.Inenj closedspaces,exhaustfumescanalsobuildup
outsidethevehicle.Thereisariskofdeath.
Keeptheexhaustpipeclearandensuresuffij
cientventilation.
NOTE
Thecompressorcanoverheatifoperatedfor toolong.Thereisariskofmaterialdamage.Do
notletthecompressorrunforlongerthan
10minutes.
Filling
1.Shakethesealantcontainer.Seite344MOBILITYWheelsandtyres344
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2.Pullfillerhosecompletelyfromthecoverof
thesealantcontainer.Donotkinkthehose.3.Pushthesealantcontainerintothebracket onthecompressorhousing,untilitaudiblyengages.4.Screwthefillerhoseofthesealantcontainer
ontothetyrevalveofthefaultywheel.5.Inserttheplugintothesocketinthevehicle interiorwhilethecompressorisswitchedoff.6.Switchonthecompressorwithstandbystateordrive-readystateswitchedon.
Letthecompressorrunforamaximumof10mij
nutestofillthesealingcompoundandachievea
tyreinflationpressureofapproximately2.0bar.
Thetyreinflationpressuremayrisetoapproxij mately5barduringthefillingprocessofthesealingcompound.Donotswitchoffthecomj
pressorduringthisstep.
Checkingandadjustingthetyre
inflationpressure
Checking
1.Switchoffcompressor.2.Readoffthetyreinflationpressureasshown
onthetyrepressureindicator.
Tobeabletocontinuethejourney,atyreinflaj
tionpressureofatleast2barmustbereached.
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Removingandstoringthesealant
container1.Unscrewthefillerhoseofthesealantconj
tainerfromthetyrevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecomj pressor.4.Packandstorethesealantcontainertoavoidsoilingtheboot.
Minimumtyreinflationpressureis
notreached
1.Unplugtheconnectorfromthesocketinthe vehicleinterior.2.Driveforwardsandbackwardsby10m,
400inches,todistributethesealantinthe tyre.3.Screwtheconnectinghoseofthecompresjsordirectlyontothetyrevalve.4.Inserttheplugintothesocketinthevehicleinterior.5.Switchonthecompressorwithstandbystateordrive-readystateswitchedon.Ifthetyreinflationpressureofatleast2barisnotreached,contactaServicePartnerofthe
manufactureroraqualifiedServicePartneror
aspecialistworkshop.
Ifthetyreinflationpressureofatleast2baris
reached,seeMinimumtyreinflationpressure
isreached.6.Unscrewtheconnectinghoseofthecomj
pressorfromthetyrevalve.7.Unplugtheconnectorfromthesocketinthe vehicleinterior.8.StoreMobilitySysteminthevehicle.
Minimumtyreinflationpressureis
reached
1.Unscrewtheconnectinghoseofthecomj
pressorfromthetyrevalve.2.Unplugtheconnectorfromthesocketinthe vehicleinterior.3.StoreMobilitySysteminthevehicle.4.Immediatelydriveforapproximately
10km/5mitoevenlydistributethesealing
compoundinthetyre.
Donotexceedaspeedof80km/h/50mph. Ifpossible,donotdriveslowerthan
20km/h/12mph.
Adjusting
1.Stopinasuitablearea.2.Screwtheconnectinghoseofthecompresj sordirectlyontothetyrevalve.Seite346MOBILITYWheelsandtyres346
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3.Inserttheplugintothesocketinthevehicleinterior.4.Correcttyreinflationpressuretoatleast2.0bar:'xToincreasethetyreinflationpressure:switchonthecompressorwithstandby
stateordrive-readystateswitchedon.'xToreducetyreinflationpressure:press
thebuttononthecompressor.5.Unscrewtheconnectinghoseofthecomj
pressorfromthetyrevalve.6.Unplugtheconnectorfromthesocketinthe vehicleinterior.7.StoreMobilitySysteminthevehicle.
Resumingajourney
Donotexceedmaximumpermittedspeedof
80km/h,50mph.
ReinitialisetherunflatindicatorRPA.
ResettheTyrePressureMonitor.
Havethepuncturedtyreandthesealantconj
taineroftheMobilitySystemreplacedassoonas possible.
Forfurtherinformation:
'xRunflatindicatorRPA,seepage 353.'xTyrePressureMonitor,seepage 348.Snowchains
Safetynotes
WARNING
Ifsnowchainsarefittedtounsuitabletyres,the
snowchainscancomeintocontactwithparts ofthevehicle.Thereisariskofaccidentormajterialdamage.Onlyfitsnowchainsontyreswhichhavebeenapprovedbythemanufacturerasbeingsuitableforsnowchains.
WARNING
Insufficientlytensionedsnowchainscandamj agetyresandvehiclecomponents.Thereisariskofaccidentormaterialdamage.Ensurethat
snowchainsarealwaysadequatelytensioned. Re-tensionthemifnecessaryinaccordance
withthesnowchainmanufacturer'sinstrucj
tions.
Fine-linksnowchains
Thevehiclemanufacturerrecommendsusing
fine-linksnowchains.Certainfine-linksnow chainshavebeentested,foundsafeforusein
trafficandratedassuitablebythemanufacturer
ofthevehicle.
Informationregardingsuitablesnowchainsis
availablefromaServicePartnerofthemanufacj tureroranotherqualifiedServicePartnerora
specialistworkshop.
Use
Snowchainsmayonlybeusedinpairsonthe rearwheelswithtyresofthefollowingsizes:
'x275/35R19.
Observethesnowchainmanufacturer'sinstrucj
tions.
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DonotinitialisetherunflatindicatorRPAwith
snowchainsfitted,asitmaygiveincorrectreadj ings.
DonotresettheTyrePressureMonitorwith snowchainsfitted,asitmaygiveincorrectreadjings.
Whendrivingwithsnowchainsfitted,activate
DynamicTractionControlDTCbrieflyasrej quiredinordertooptimisetraction.
Maximumspeedwithsnow
chains
Whensnowchainsarefitted,donotexceed 50km/h,30mph.
TyrePressureMonitor
Principle
Thesystemmonitorsthetyreinflationpressure inthefourtyresinstalledonthevehicle.Thesysj
temwarnsifthetyreinflationpressureinoneor
moretyreshasdropped.
General Sensorsinthetyrevalvesmeasurethetyreinflajtionpressureandtyretemperature.
WiththetyresettingsiniDrive,thesystemcandisplaythepredefinednominalpressuresautojmaticallyandcomparethemwiththecurrenttyreinflationpressures.
Ifthevehicleisfittedwithtyreswhicharenotlisj
tedinthetyreinflationpressureinformationon
thevehicle,forexampletyreswithspecialapproj val,thesystemmustbeactivelyreset.Thecurj
renttyreinflationpressuresarethenacceptedas thespecifiedvalues.
Whenoperatingthesystem,pleasealsocomply
withtheinformationandnotesinthechapteron
tyreinflationpressure.
Forfurtherinformation:
Tyreinflationpressure,seepage 338.
Safetynote
WARNING
Ifincorrectdatahasbeenenteredintothetyre
settings,thespecifiedtyreinflationpressures
willalsobeincorrect.Asaresult,reliablesignalj
lingofalossoftyreinflationpressurecanno
longerbeguaranteed.Thereisariskofinjury
andmaterialdamage.Makesurethatthetyre
sizesofthefittedtyresaredisplayedcorrectly
andthattheymatchthespecificationsonthe
tyresandinthetyreinflationpressureinformaj
tion.
Operatingrequirements
Thefollowingrequirementsmustbemetforthesystem,otherwisereliablesignallingofalossof
tyreinflationpressureisnotensured:
'xAftereverytyreorwheelchange,thecorrect specificationsforthefittedtyresmustbeenjteredinthetyresettings.'xTheTyrePressureMonitoronlybecomesacj
tiveafterajourneyofseveralminutes:'xAfterchangingatyreorwheel.'xAfterareset,inthecaseoftyreswithspej cialapproval.'xAfterchangingthetyresetting.'xInthecaseoftyreswithspecialapproval:'xAftereverytyreorwheelchange,aresetmustbecarriedoutwhenthetyreinflationpressuresarecorrect.'xAresetmustbecarriedoutafterthetyre
inflationpressurehasbeenadjustedtoa
newvalue.'xWheelswithwheelelectronics.Seite348MOBILITYWheelsandtyres348
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TyresettingsGeneral
Thetyresizesofthefittedtyrescanbefoundin
thetyreinflationpressureinformationonthevej hicleordirectlyonthetyres.
Thetyredatadoesnothavetobere-enteredif thetyreinflationpressureiscorrected.
Forsummerandwintertyres,thetyredatalast
enteredforeachtypeissaved.Thismeansthat thesettingscanberetrievedagainafteratyreorwheelchange.
Adjustingthesettings1.CAR2.Vehiclestatus3.TyrePressureMonitor4.Tyresettings5.Tyreselection6.Manual7.Tyretype'xSummer'xWinter/all-season8.Selectthetypeoftyremountedontherear axle.
Inthecaseoftyreswithspecialapproval:
Othertyres/racetrack
SeethePerformingaresetsectionforhowto
proceed.9.Selecttheloadstatusofthevehicleoncetyre
sizehasbeenselected.10.Savetyresettings
Themeasurementofthecurrenttyreinflation
pressureisstarted.Theprogressofthemeasj
urementisshown.
Statusdisplay
Currentstatus
Thestatusofthesystem,forexamplewhether thesystemisactive,canbeshownontheConjtrolDisplay.1.CAR2.Vehiclestatus3.TyrePressureMonitor
Thecurrentstatusisdisplayed.
Currenttyreinflationpressure Thecurrenttyreinflationpressureisdisplayedforeachtyre.
Thecurrenttyreinflationpressurescanvarydej pendingonvehicleoperationoroutsidetemperj ature.
Currenttyretemperature Thecurrenttyretemperaturesareshown.
Thecurrenttyretemperaturescanchangeasa
resultofvehicleoperationortheoutsidetemperj ature.
Tyrestatuses
General ThestatusofthesystemandtyresisindicatedbythewheelcolourandamessageontheConjtrolDisplay.
Ifapplicable,existingmessagesarenotdeletedif thenominalpressureisnotreachedoncorrecj
tionofthetyreinflationpressure.
Allwheelsgreen
'xThesystemisactiveandreferstothenomij
nalpressuresforthewarning.'xInthecaseoftyreswithspecialapproval:the
systemisactiveandisusingthetyreinflation
pressuressavedduringthelastresetforthe
warning.Seite349WheelsandtyresMOBILITY349
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OnetofourwheelsyellowThereisaflattyreormajorlossoftyreinflationpressureinthetyresshown.
Wheelsgrey
Tyrepressurelossesmightnotbedetected.
Possiblecauses:'xMalfunction.'xThetyreinflationpressureisbeingmeasured, afterconfirmationofthetyresettings.'xInthecaseoftyreswithspecialapproval:a
systemresetisbeingperformed.
Tyreswithspecialapproval:
performingareset
1.CAR2.Vehiclestatus3.TyrePressureMonitor4.Makesurethatthecorrecttyresettingshave
beenmade.
Tyresettings,seepage 349.5.Switchondrive-readystatebutdonotdrive
off.6.Resetthetyreinflationpressure:Perform reset.7.Driveoff.
Thewheelsareshowngreyandthefollowingapj
pearsonthedisplay:Resettingtyre
pressure

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