BMW 4 SERIES COUPE 2021 Owners Manual

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Differentwearpatternscanoccuronthefront
andrearaxlesdependingonindividualdriving
conditions.Thetirescanberotatedinpairsbe#j
tweentheaxlestoachieveevenwear.Furtherin#j formationisavailablefromadealer'sservicecen#jteroranotherqualifiedservicecenterorrepairshop.Afterrotating,checkthetirepressureand
correct,ifneeded.
Storingtires Tireinflationpressure
Donotexceedthemaximumtireinflationpres#j
sureindicatedonthesidewallofthetire.
Storage'xStorewheelsandtiresinacool,dryanddark
place.'xAlwaysprotecttiresagainstallcontactwith
oil,grease,andsolvents.'xDonotleavetiresinplasticbags.'xRemovedirtfromwheelsortires.
Run-flattires
Concept
Run-flattirespermitcontinueddrivingunderre#j
strictedconditionsevenintheeventofacom#j
pletelossoftireinflationpressure.
Generalinformation Thewheelsconsistoftiresthatareself-support#j
ing,toalimiteddegree,andpossiblyspecial
rims.
Thesupportofthesidewallallowsthetiretore#j
maindrivabletoarestricteddegreeintheevent
ofatireinflationpressureloss.
Followtheinstructionsforcontinueddrivingwith
aflattire.
Safetyinformation
Warning
Thevehiclehandlesdifferentlywhenarun-flat
tirehasinsufficientornotirepressure;forin#j stance,reducedlanestabilitywhenbraking,
brakingdistancesarelongerandtheself-steer#j
ingpropertieswillchange.Thereisariskofac#j cident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Label
Thetiresaremarkedonthetiresidewallwith
Run-flatSystemComponentRSC.
Repairingaflattire
Safetymeasures
'xParkthevehicleasfarawayaspossiblefrom
passingtrafficandonsolidground.'xSwitchonthehazardwarningsystem.'xSecurethevehicleagainstrollingawayby
settingtheparkingbrake.'xTurnthesteeringwheeluntilthefrontwheels areinthestraight-aheadpositionandengage
thesteeringwheellock.'xHaveallvehicleoccupantsgetoutoftheve#j
hicleandensurethattheyremainoutsidethe immediateareainasafeplace,suchasbe#j
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'xIfnecessary,setupawarningtriangleatan
appropriatedistance.
MobilitySystem
Concept
WiththeMobilitySystem,minortiredamagecan besealedtemporarilytoenablecontinuedtravel.Toaccomplishthis,sealantispumpedintothetires,whichsealsthedamagefromtheinside.
Generalinformation
'xFollowtheinstructionsonusingtheMobility
Systemfoundonthecompressorandsealant container.'xUseoftheMobilitySystemmaybeineffec#j
tiveifthetirepuncturemeasuresapprox.
1/8inches/4mmormore.'xContactadealer'sservicecenteroranother qualifiedservicecenterorrepairshopifthetirecannotbemadedrivable.'xDonotremoveforeignbodiesthathavepe#jnetratedthetire.Removeforeignobjectsonlywhentheyarevisiblyprotrudingfromthetire.'xPullthespeedlimitstickeroffthesealant
containerandapplyittothesteeringwheel.'xTheuseofasealantcandamagethewheel
electronics.Inthiscase,havetheelectronics checkedandreplacedatthenextopportu#j
nity.'xThecompressorcanbeusedtocheckthe
tireinflationpressure.Overview
Storage
TheMobilitySystemislocatedinabagintheleftstoragecompartmentofthecargoarea.Releasethetensioningstraptoremove.
Sealantcontainer
'xSealantcontainer,arrow1.'xFillinghose,arrow2.
Observeuse-bydateonthesealantcontainer.
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Compressor1Sealantcontainerunlocking2Sealantcontainerholder3Tirepressuregage4Reducetireinflationpressurebutton5On/offswitch6Compressor7Connector/cableforsocket8Connectionhose
Safetymeasures
'xParkthevehicleasfarawayaspossiblefrom
passingtrafficandonsolidground.'xSwitchonthehazardwarningsystem.'xSecurethevehicleagainstrollingawayby
settingtheparkingbrake.'xTurnthesteeringwheeluntilthefrontwheels areinthestraight-aheadpositionandengage
thesteeringwheellock.'xHaveallvehicleoccupantsgetoutoftheve#j
hicleandensurethattheyremainoutsidethe immediateareainasafeplace,suchasbe#j
hindaguardrail.'xIfnecessary,setupawarningtriangleatan
appropriatedistance.Fillingthetirewithsealant
Safetyinformation
DANGER
Iftheexhaustpipeisblockedorventilationisin#j
sufficient,harmfulexhaustgasescanenterinto thevehicle.Theexhaustgasescontainpollu#jtantswhicharecolorlessandodorless.Inen#j
closedareas,exhaustgasescanalsoaccumu#j
lateoutsideofthevehicle.Thereisdangerto
life.Keeptheexhaustpipefreeandensuresuf#j
ficientventilation.
NOTICE
Thecompressorcanoverheatduringextended operation.Thereisariskofdamagetoprop#j
erty.Donotrunthecompressorformorethan
10minutes.
Filling
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2.Pullfillinghosecompletelyoutofthecoverofthesealantcontainer.Donotkinkthehose.3.Slidethesealantcontainerintotheholderon
thecompressorhousing,ensuringthatiten#j
gagesaudibly.4.Screwthefillinghoseofthesealantcontainer ontothetirevalveofthenonworkingwheel.5.Withthecompressorswitchedoff,insertthe
connectorintothepowersocketinthevehi#j
cleinterior.6.Withstandbystateordrive-readystate
switchedon,switchonthecompressor.
Letthecompressorrunformax.10minutestofill
thetirewithsealantandachieveatireinflation pressureofapprox.2.0bar.
Whilethetireisbeingfilledwithsealant,thetire
inflationpressuremaysporadicallyreachapprox.
5bar.Donotswitchoffthecompressoratthis point.
Checkingandadjustingthetire
inflationpressure
Checking
1.Switchoffthecompressor.2.Readthetireinflationpressureonthetirepressuregage.
Tocontinuethetrip,atireinflationpressureofatleast2barmustbereached.
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Removingandstowingthesealant
container1.Unscrewthefillinghoseofthesealantcon#j tainerfromthetirevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecom#jpressor.4.Wrapandstorethesealantcontainerinsuita#j
blematerialtoavoiddirtyingthecargoarea.
Minimumtireinflationpressureis
notreached
1.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.2.Drive33ft/10mforwardandbacktodistrib#j utethesealantinthetire.3.Screwtheconnectionhoseofthecompres#j
sordirectlyontothetirevalvestem.4.Inserttheconnectorintothepowersocketin thevehicleinterior.5.Withstandbystateordrive-readystate
switchedon,switchonthecompressor.
Whenthetirepressuredoesnotreachat
least2bar,contactamanufacturerservicecenteroranotherqualifiedservicecenteror
repairshop.
Whenatirepressureofatleast2baris
reached,seeMinimumtireinflationpressure
isreached.6.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.7.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.8.StowtheMobilitySysteminthevehicle.
Minimumtireinflationpressureis
reached
1.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.2.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.3.StowtheMobilitySysteminthevehicle.4.Immediatelydriveapprox.5miles/10kmto ensurethatthesealantisevenlydistributedin
thetire.
Donotexceedaspeedof50mph/80km/h. Ifpossible,donotdriveatspeedslessthan 12mph/20km/h.
Adjustment
1.Stopatasuitablelocation.2.Screwtheconnectionhoseofthecompres#j
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3.Inserttheconnectorintothepowersocketinthevehicleinterior.4.Correctthetireinflationpressuretoatleast
2.0bar:'xIncreasetireinflationpressure:with
standbystateordrive-readystate
switchedon,switchonthecompressor.'xReducetireinflationpressure:pressthe
buttononthecompressor.5.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.6.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.7.StowtheMobilitySysteminthevehicle.
Continuingthetrip
Donotexceedthemaximumpermissiblespeedof50mph/80km/h.
ReinitializetheFlatTireMonitor.
ResettheTirePressureMonitoragain.
Replacethenonworkingtireandthesealantcon#j
taineroftheMobilitySystempromptly.
Additionalinformation:
'xRun-flattires,refertopage 334.'xTirepressuremonitor,refertopage 327.Snowchains
Safetyinformation
Warning
Withthemountingofsnowchainsonunsuita#j bletires,thesnowchainscancomeintocon#j
tactwithvehicleparts.Theremaybeariskof
accidentorriskofdamagetoproperty.Only
mountsnowchainsontiresthataredesignated
bytheirmanufacturerassuitablefortheuseof
snowchains.
Warning
Insufficientlytightsnowchainsmaydamage
tiresandvehiclecomponents.Theremaybea
riskofaccidentorriskofdamagetoproperty.
Makesurethatthesnowchainsarealwayssuf#j ficientlytight.Re-tightenasneededaccording
tothesnowchainmanufacturer'sinstructions.
Fine-linksnowchains
Themanufacturerofthevehiclerecommends
theuseoffine-linksnowchains.Certaintypesof
fine-linksnowchainshavebeentestedbythe
manufacturerofthevehicleandrecommended
asroad-safeandsuitable.
Informationregardingsuitablesnowchainsis
availablefromadealer#ssservicecenteroran#j
otherqualifiedservicecenterorrepairshop.
Use Useonlyinpairsontherearwheels,equipped
withthetiresofthefollowingsize:
'x225/45R18.
Followthesnowchainmanufacturer'sinstruc#j tions.
DonotinitializetheFlatTireMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
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DonotresettheTirePressureMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
Whendrivingwithsnowchains,brieflyactivate
DynamicTractionControlDTCtooptimizethe
drivepower.
Maximumspeedwithsnow
chains
Donotexceedaspeedof30mph/50km/hwhen
usingsnowchains.
Tirepressuremonitor
Concept
Thesystemmonitorstireinflationpressureinthe
fourmountedtires.Thesystemwarnsyouif
thereisalossofpressureinoneormoretires.
Generalinformation Sensorsinthetirevalvesmeasurethetireinfla#j
tionpressureandtiretemperature.
Thesystemdetectsthemountedtiresautomati#j
cally.Thesystemdisplaysthespecifiednominal
pressurevaluesontheControlDisplayandcom#j
paresthesevaluestotheactualtirepressureval#j
ues.
Iftiresarebeingusedthatarenotspecifiedon
thetireinflationpressuredetailsonthevehicle,
suchastireswithspecialapproval,thesystem
needstobeactivelyreset.Thesystemwillthen
takeovertheactualtireinflationpressuresasthe targetpressures.
Whenoperatingthesystem,alsonotetheinfor#j mationfoundintheTireinflationpressurechap#j ter.
Additionalinformation:
Tireinflationpressure,refertopage 312.
Safetyinformation
Warning
Thedisplayofthetargetpressuresisnota substituteforthetireinflationpressuredetails
onthevehicle.Incorrectentriesinthetireset#j
tingscanleadtoincorrecttargettireinflation
pressurevalues.Inthiscase,itcannotbeguar#j
anteedthatthenotificationofalossoftireinfla#j tionpressurewillbereliable.Thereisariskof
injuryandriskofdamagetoproperty.Ensure
thatthetiresizesofthemountedtiresaredis#j
playedcorrectlyandmatchthedetailsonthe
tiresandonthevehicle.
Functionalrequirements
Thefollowingconditionsmustbemetforthe
system;otherwise,reliableflaggingofalossof
tireinflationpressureisnotassured:
'xAftereachtireorwheelchange,thesystem detectsandupdatesthemountedtiresand
displaysthemafterashorttripontheControl Display.
Entertheinformationaboutthemounted
tiresinthetiresettingswhenthesystem doesnotautomaticallydetectthetires.'xTheTirePressureMonitordoesnotactivate
untilafterdrivingforafewminutes:'xAfteratireorwheelreplacement.'xAfterareset,fortireswithspecialappro#j val.'xAfterchangingthetiresetting.'xFortireswithspecialapproval:'xAfteratireorwheelreplacement,aresetwasperformedwiththecorrecttireinfla#j
tionpressure.'xAfterthetireinflationpressurewasad#j
justedtoanewvalue,aresetwasper#j formed.'xWheelswithwheelelectronics.Seite3278heelsandtiresMOBILITY327
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Tiresettings
Generalinformation Theinformationaboutthemountedtirescanbe
enteredinthetiresettingsifthesystemdoesnot
automaticallydetectthetires.
Thetiresizesofthemountedtirescanbegath#j
eredfromthetireinflationpressuredetailsonthe vehicleordirectlyonthetires.
Thetiredetailsdonotneedtobere-entered whenthetireinflationpressureiscorrected.
Forsummerandwintertires,thetiredetailsen#j
teredlastarestored.Afteratireorwheelre#j
placement,thesettingsofthetiresetsusedlast
canbeselected.
Changingsettings1."CAR"2."Vehiclestatus"3."TirePressureMonitor"4."Tiresettings"5."Tireselection"6."Manual"7."Tiretype"'x"Summer"'x"Winter/All-year"8.Selectthetiretypethatismountedonthe
rearaxle.
Fortireswithspecialapproval:
"Othertires".
Observefurtherproceedingintheperforma
resetsection.9.Selectthemaximumroadspeedthatwillbe
usedwiththetires.10."Savetiresettings"
Themeasurementofthecurrenttireinflation
pressureisstarted.Themeasurementprogress
isdisplayed.
Statusdisplay
Currentstatus
ThesystemstatuscanbedisplayedontheCon#j trolDisplay,e.g.,whetherornotthesystemisac#j
tive.1."CAR"2."Vehiclestatus"3."TirePressureMonitor"
Thecurrentstatusisdisplayed.
Currenttireinflationpressure Thecurrenttireinflationpressureisdisplayedfor
eachtire.
Thecurrenttireinflationpressuresmaychange duringdrivingoperationordependingontheex#jternaltemperature.
Currenttiretemperature Dependingonthemodel,thecurrenttiretem#j
peraturesaredisplayed.
Thecurrenttiretemperaturesmaychangewhile
drivingorduetotheexternaltemperature.
Targetpressure Thetargetpressureforthetiresonthefrontand
rearaxlesisdisplayed.
Thespecifiedtargetpressurestaketheinfluence ofdrivingoperationandexternaltemperatureonthetiretemperatureintoaccount.Theappropri#j
atetargetpressureisalwaysdisplayed,inde#j pendentoftheweathersituation,tiretempera#jturesandtraveltimes.
Thedisplayedtargetpressuremaychangeand
maydifferfromthetireinflationpressuredetails onthedoorpillarofthedriver'sdoor.Thetirein#jflationpressurecanthusbecorrectedtothevalueofthedisplayedtargetpressures.
Thetargetpressureisimmediatelyadjustedif
thevehicleloadischangedinthetiresettings.
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TireconditionsGeneralinformation
Tireandsystemstatusareindicatedbythecolor
ofthewheelsandatextmessageontheControl
Display.
Anyexistingmessagesmaynotbedeletedifthe
targetpressureisnotreachedafterthetireinfla#j tionpressureiscorrected.
Allwheelsgreen'xThesystemisactiveandbaseswarningson thetargetpressures.'xFortireswithspecialapproval:thesystemisactiveandbaseswarningsonthetireinflation
pressuresstoredduringthelastreset.
Onetofouryellowwheels
Aflattireormajordropinthetireinflationpres#j
surehasoccurredintheindicatedtires.
Graywheels Itmaynotbepossibletoidentifytireinflation
pressurelosses.
Possiblecauses:
'xMalfunction.'xDuringtireinflationpressuremeasurement, afterconfirmationofthetiresettings.'xFortireswithspecialapproval:aresetisper#jformedforthesystem.
Fortireswithspecialapproval:
performareset
1."CAR"2."Vehiclestatus"3."TirePressureMonitor"4.Makesurethatcorrecttiresettingshave beenmade.
Tiresettings,refertopage 328.5.Switchondrive-readystateanddonotdrive
off.6.Resettireinflationpressure:"Performreset".7.Driveaway.
Thewheelsaredisplayedingrayandthefollow#j
ingisdisplayed"Resettingtirepressure#

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SymbolPossiblecauseInflationwasnotcarriedoutaccord#j
ingtospecifications,forinstance
whenthetirehasnotbeensuffi#j
cientlyinflatedorinthecaseofa
naturalsteadytirepressureloss.
Measure
Checkthetirepressureandcorrectasneeded.
Ifthetireinflationpressureistoo
low
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwithaCheckControlmes#j sageappearsontheControlDisplay.
SymbolPossiblecauseThereisatireinflationpressureloss.
Measure
1.Reducethevehiclespeed.Donotexceedaspeedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireap#j
pearsinaCheckControlmessageontheCon#j
trolDisplay.
SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Measure
1.Reduceyourspeedandstopcautiously.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 321.3.ReadthedescriptiononWhattodoincaseof
aflattire.
Actionsintheeventofaflattire,referto page 332.
Messages:fortireswithspecial
approval
Generalinformation AlowtireinflationpressuremaycausetheDSCDynamicStabilityControltobeswitchedon.
Safetyinformation
Warning
Adamagedregulartirewithlowormissingtire
inflationpressureimpactshandling,suchas steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof accident.Donotcontinuedrivingifthevehicleisequippedwithnormaltires.Followtheinfor#jmationonrun-flattiresandcontinueddriving
withthesetires.
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