BMW M4 2021 Owners Manual

Page 341 of 416

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.
Seite341WheelsandtyresMOBILITY341
OnlineEditionforPartno.01405A1E3C4-X/20

Page 342 of 416

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.Seite342MOBILITYWheelsandtyres342
OnlineEditionforPartno.01405A1E3C4-X/20

Page 343 of 416

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.
Seite343WheelsandtyresMOBILITY343
OnlineEditionforPartno.01405A1E3C4-X/20

Page 344 of 416

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.Seite344MOBILITYWheelsandtyres344
OnlineEditionforPartno.01405A1E3C4-X/20

Page 345 of 416

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 351.'xTyrePressureMonitor,seepage 346.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.
Seite345WheelsandtyresMOBILITY345
OnlineEditionforPartno.01405A1E3C4-X/20

Page 346 of 416

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 336.
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.Seite346MOBILITYWheelsandtyres346
OnlineEditionforPartno.01405A1E3C4-X/20

Page 347 of 416

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.Seite347WheelsandtyresMOBILITY347
OnlineEditionforPartno.01405A1E3C4-X/20

Page 348 of 416

OnetofourwheelsyellowThereisaflattyreormajorlossoftyreinflationpressureinthetyresshown.
Wheelsgrey
Tyrepressurelossesmightnotbedetected.
Possiblecauses:'xMalfunction.'xThetyreinflationpressureisbeingmeasured, afterconfirmationofthetyresettings.'xInthecaseoftyreswithspecialapproval:a
systemresetisbeingperformed.
Tyreswithspecialapproval:
performingareset
1.CAR2.Vehiclestatus3.TyrePressureMonitor4.Makesurethatthecorrecttyresettingshave
beenmade.
Tyresettings,seepage 347.5.Switchondrive-readystatebutdonotdrive
off.6.Resetthetyreinflationpressure:Perform reset.7.Driveoff.
Thewheelsareshowngreyandthefollowingapj
pearsonthedisplay:Resettingtyre
pressure

Page 349 of 416

Inaddition,asymbolwithaCheckControlmesjsageisshownontheControlDisplay.SymbolPossiblecauseTherehasbeenalossoftyreinflaj
tionpressure.
Action
1.Reducespeed.Donotexceedaspeedof
130km/h,80mph.2.Atthenextopportunity,forexampleatafilling
station,checkthetyreinflationpressureinall
fourtyresandcorrectifnecessary.
Ifthereisasignificantlossoftyre
inflationpressure
Message Ayellowwarninglampisilluminatedintheinstrumentcluster.
Inaddition,asymbolwiththeaffectedtyreis
showninaCheckControlmessageontheConj
trolDisplay.
SymbolPossiblecauseThereisaflattyreorsubstantialloss
oftyreinflationpressure.
Action
1.Reduceyourspeedandcarefullystopthevej
hicle.Avoidheavybrakingandsuddensteerj
ingmanoeuvres.2.Followthedescriptionofwhattodowhenthe
vehiclegetsaflattyre.
Whattodointheeventofaflattyre,see
page 350.Messages:inthecaseoftyres
withspecialapproval
GeneralDynamicStabilityControlDSCwillbeactivatedif
necessaryassoonasamessageforlowtyreinj flationpressureappears.
Safetynote
WARNING
Adamagedstandardtyrewithtoolittleorno
tyreinflationpressureimpairsdrivingcharacterj istics,forexamplesteeringandbraking.There
isariskofaccident.Donotcontinuedriving. Repairtheflattyreorreplacethewheel.
Ifatyreinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageis
shownontheControlDisplay.
Symj
bolPossiblecauseThetyrewasnotinflatedproperly,for exampleinsufficientairwasadded.
Thesystemhasdetectedawheel
change,butnoresethasbeenperj
formed.
Thetyreinflationpressurehasdropj
pedcomparedtothelastreset.
Noresethasbeenperformedonthe
system.Thesystemisusingthetyre
inflationpressuressavedduringthe
lastresetforthewarning.
Action
1.Checkthetyreinflationpressureandadjust asnecessary.2.Performaresetofthesystem.Seite349WheelsandtyresMOBILITY349
OnlineEditionforPartno.01405A1E3C4-X/20

Page 350 of 416

Ifthetyreinflationpressureistoo
low
Message Ayellowwarninglampisilluminatedintheinstrumentcluster.
Inaddition,asymbolwithaCheckControlmesj
sageisshownontheControlDisplay.SymbolPossiblecauseTherehasbeenalossoftyreinflaj
tionpressure.
Noresethasbeenperformedonthe
system.Thesystemisusingthetyre
inflationpressuressavedduringthe
lastresetforthewarning.
Action
1.Reducespeed.Donotexceedaspeedof
130km/h,80mph.2.Atthenextopportunity,forexampleatafilling
station,checkthetyreinflationpressureinall
fourtyresandcorrectifnecessary.3.Performaresetofthesystem.
Ifthereisasignificantlossoftyre
inflationpressure
Message Ayellowwarninglampisilluminatedintheinstrumentcluster.
Inaddition,asymbolwiththeaffectedtyreis
showninaCheckControlmessageontheConj
trolDisplay.
SymbolPossiblecauseThereisaflattyreorsubstantialloss
oftyreinflationpressure.
Noresethasbeenperformedonthe
system.Thesystemisusingthetyre
inflationpressuressavedduringthe
lastresetforthewarning.
Action
1.Reduceyourspeedandcarefullystopthevej
hicle.Avoidheavybrakingandsuddensteerj
ingmanoeuvres.2.Followthedescriptionofwhattodowhenthe
vehiclegetsaflattyre.
Whattodointheeventofaflattyre,see
page 350.
Whattodointheeventofaflat
tyre
1.Identifythedamagedtyre.
Checkthetyreinflationpressureinallfour tyres,forexampleusingthetyrepressureinj
dicatorofaflattyrekit.
Inthecaseoftyreswithspecialapproval:ifall
fourtyresareinflatedtothecorrecttyreinflaj tionpressures,theTyrePressureMonitor
mightnothavebeenreset.Performareset.
Ifnotyredamagecanbefound,contacta
ServicePartnerofthemanufactureroranj
otherqualifiedServicePartneroraspecialist
workshop.2.Repairtheflattyre,forexampleusingaflat tyrekitorbychangingthewheel.
Theuseofsealant,forexampleaflattyrekit,
candamagethewheelelectronics.Havethe
electronicsreplacedatthenextopportunity.
Systemlimits
Temperature
Thetyreinflationpressuredependsonthetemj
peratureofthetyre.
Seite350MOBILITYWheelsandtyres350
OnlineEditionforPartno.01405A1E3C4-X/20

Page:   < prev 1-10 ... 301-310 311-320 321-330 331-340 341-350 351-360 361-370 371-380 381-390 ... 420 next >