BMW 8 SERIES COUPE 2021 Owners Manual

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StatusdisplayCurrentstatus
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.
Tireconditions
Generalinformation
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 320.5.Switchondrive-readystateanddonotdrive
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6.Resettireinflationpressure:"Performreset".7.Driveaway.
Thewheelsaredisplayedingrayandthefollow#j
ingisdisplayed"Resettingtirepressure#

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SymbolPossiblecauseThereisaflattireoramajorlossintireinflationpressure.
Measure
1.Reduceyourspeedandstopcautiously.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 313.3.ReadthedescriptiononWhattodoincaseof
aflattire.
Actionsintheeventofaflattire,referto page 324.
Messages:fortireswithspecial
approval
Generalinformation AlowtireinflationpressuremaycausetheDSCDynamicStabilityControltobeswitchedon.
Safetyinformation
Warning
Adamagedregulartirewithlowormissingtire
inflationpressureimpactshandling,suchas steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof accident.Donotcontinuedrivingifthevehicleisequippedwithnormaltires.Followtheinfor#jmationonrun-flattiresandcontinueddriving
withthesetires.
Ifatireinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageap#j
pearsontheControlDisplay.Symj
bolPossiblecauseInflationwasnotcarriedoutaccord#j
ingtospecifications,e.g.,thetirehas
notbeensufficientlyinflated.
Thesystemhasdetectedawheel
change,butnoresetwasdone.
Thetireinflationpressurehasfallen
belowthelevelofthelastreset.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Checkthetirepressureandcorrectas
needed.2.Performasystemreset.
Ifthetireinflationpressureistoo
low
Message Ayellowwarninglightisilluminatedintheinstrumentcluster.
Inaddition,asymbolwithaCheckControlmes#j
sageappearsontheControlDisplay.
SymbolPossiblecauseThereisatireinflationpressureloss.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.Seite3238heelsandtiresMOBILITY323
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Measure1.Reducethevehiclespeed.Donotexceedaspeedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.3.Resetthesystem.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireap#j
pearsinaCheckControlmessageontheCon#j
trolDisplay.
SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Reduceyourspeedandstopcautiously. Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 313.3.ReadthedescriptiononWhattodoincaseof
aflattire.
Actionsintheeventofaflattire,referto page 324.Actionsintheeventofaflattire
Normaltires1.Identifythedamagedtire.
Checkthetireinflationpressureinallfour
tires,forinstanceusingthetirepressuregage
ofaflattirekit.
Fortireswithspecialapproval:whenthetire inflationpressureinallfourtiresiscorrect,the
TirePressureMonitormaynothavebeenre#j
set.Inthiscase,performthereset.
Iftiredamagecannotbefound,contacta
dealer#ssservicecenteroranotherqualified
servicecenterorrepairshop.2.Repairtheflattire,e.g.,withaflattirekitorby changingthewheel.
Useofsealant,forinstancefromtheflattirekit,maydamagethewheelelectronics.Havethe
electronicsreplacedatthenextopportunity.
Run-flattires
Safetyinformation
Warning
Thevehiclehandlesdifferentlywhenarun-flat tirehasinsufficientornotirepressure;forin#j stance,reducedlanestabilitywhenbraking,brakingdistancesarelongerandtheself-steer#jingpropertieswillchange.Thereisariskofac#jcident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Maximumspeed
Youmaycontinuedrivingwithadamagedtireat
speedsupto50mph/80km/h.
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Continueddrivingwithaflattire
Followthefollowingwhencontinuingtodrive
withadamagedtire:1.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Donotexceedaspeedof50mph/80km/h.3.Checkthetireinflationpressureinallfour
tiresatthenextopportunity.
Possibledrivingrangewitha
depressurizedtire
Thedistanceforwhichitmaybepossibleto
drivesafelyvariesdependingonhowthevehicle
isloadedandused,e.g.,speed,roadconditions,
externaltemperature.Thedrivingrangemaybe
lessbutmayalsobemoreifaneconomicaldriv#j ingstyleisused.
Ifthevehicleisloadedwithanaverageweight
andusedunderfavorableconditions,thedis#j
tanceforwhichitmaybesafetodrivemaybeup to50miles/80km.
Vehiclehandlingwithdamagedtires Vehiclesdrivenwithadamagedtirewillhandle
differently,potentiallyleadingtoconditionssuch asthefollowing:
'xGreaterlikelihoodofswervingoffcourse.'xLongerbrakingdistances.'xChangedself-steeringproperties.
Modifyyourdrivingstyle.Avoidabruptsteeringmaneuversordrivingoverobstacles,forinstancecurbsorpotholes.
Finaltirefailure
Vibrationsorloudnoiseswhiledrivingcanindi#j catethefinalfailureofatire.
Reducespeedandstop;otherwise,piecesofthe
tirecouldcomelooseandcauseanaccident.
Donotcontinuedriving.Contactadealer#ssserv#j
icecenteroranotherqualifiedservicecenteror repairshop.
Systemlimits
Temperature
Thetireinflationpressuredependsonthetire's
temperature.
Drivingorexposuretothesunwillincreasethe
tire'stemperature,thusincreasingthetireinfla#j
tionpressure.
Thetireinflationpressureisreducedwhenthe tiretemperaturefallsagain.
Thesecircumstancesmaycauseawarning
whentemperaturesfallverysharply.
Followingatemperature-relatedwarning,thetar#j
getpressuresaredisplayedontheControlDis#j playagainafterashortdistance.
Suddentirepressureloss
Thesystemcannotindicatesuddenserioustire
damagecausedbyexternalcircumstances.
Failureperformingareset
Tireswithspecialapproval:thesystemwillnot functioncorrectlyifaresetwasnotperformed,
forexampleaflattiremaybeindicatedalthough
thetireinflationpressuresarecorrect.
Malfunction Message Theyellowwarninglightflashesandis
thenilluminatedcontinuously.ACheck Controlmessageisdisplayed.Itmaynot
bepossibletoidentifytirepressurelosses.
Measure'xAwheelwithoutwheelelectronicsis
mounted:havethewheelschecked,if
needed.'xInterferencecausedbysystemsordevices
withthesameradiofrequency:afterleaving theareaoftheinterference,thesystemauto#j
maticallybecomesactiveagain.Seite3258heelsandtiresMOBILITY325
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'xFortireswithspecialapproval:thesystem
wasunabletocompletethereset.Performa
systemresetagain.
Malfunction:havethesystemchecked.
DeclarationaccordingtoNHTSA/
FMVSS138TirePressure
MonitoringSystem
Eachtire,includingthespare(ifprovided)should
becheckedmonthlywhencoldandinflatedto theinflationpressurerecommendedbythevehi#jclemanufactureronthevehicleplacardortirein#jflationpressurelabel.(Ifyourvehiclehastiresof
adifferentsizethanthesizeindicatedontheve#j
hicleplacardortireinflationpressurelabel,you
shoulddeterminethepropertireinflationpres#j sureforthosetires.)Asanaddedsafetyfeature,yourvehiclehasbeenequippedwithatirepres#jsuremonitoringsystem(TPMS)thatilluminatesalowtirepressuretelltalewhenoneormoreof
yourtiresissignificantlyunder-inflated.Accord#j
ingly,whenthelowtirepressuretelltaleillumi#j nates,youshouldstopandcheckyourtiresas
soonaspossible,andinflatethemtotheproper
pressure.Drivingonasignificantlyunder-inflated
tirecausesthetiretooverheatandcanleadto
tirefailure.Under-inflationalsoreducesfueleffi#j
ciencyandtiretreadlife,andmayaffectthevehi#j
cle'shandlingandstoppingability.Pleasenote
thattheTPMSisnotasubstituteforpropertire
maintenance,anditisthedriver'sresponsibility tomaintaincorrecttirepressure,evenifunder-
inflationhasnotreachedtheleveltotriggerillu#j
minationoftheTPMSlowtirepressuretelltale.
Yourvehiclehasalsobeenequippedwitha
TPMSmalfunctionindicatortoindicatewhenthe
systemisnotoperatingproperly.TheTPMS
malfunctionindicatoriscombinedwiththelow
tirepressuretelltale.Whenthesystemdetectsa
malfunction,thetelltalewillflashforapproxi#j
matelyoneminuteandthenremaincontinuously
illuminated.Thissequencewillcontinueupon
subsequentvehiclestart-upsaslongasthemal#j
functionexists.Whenthemalfunctionindicatoris
illuminated,thesystemmaynotbeabletode#j
tectorsignallowtirepressureasintended.
TPMSmalfunctionsmayoccurforavarietyof
reasons,includingtheinstallationofreplacement
oralternatetiresorwheelsonthevehiclethat
preventtheTPMSfromfunctioningproperly.Al#j
wayschecktheTPMSmalfunctiontelltaleafter
replacingoneormoretiresorwheelsonyourve#j
hicletoensurethatthereplacementoralternate
tiresandwheelsallowtheTPMStocontinueto
functionproperly.
FlatTireMonitorFTM
Concept
Thesystemdetectstireinflationpressureloss
onthebasisofrotationspeeddifferencesbe#j
tweentheindividualwheelswhiledriving.
Intheeventofatireinflationpressureloss,the
diameterandthereforetherotationalspeedof thecorrespondingwheelchanges.Thediffer#j
encewillbedetectedandreportedasaflattire.
Thesystemdoesnotmeasuretheactualinfla#j
tionpressureinthetires.
Functionalrequirements Thefollowingconditionsmustbemetforthe
system;otherwise,reliableflaggingofalossof
tireinflationpressureisnotassured:
'xAfteratireorwheelreplacement,aninitializa#j
tionwasperformedwiththecorrecttireinfla#j
tionpressure.'xAfterthetirepressurewasadjustedtoanew value,aninitializationwasperformed.
Statusdisplay
ThecurrentstatusoftheFlatTireMonitorFTM
canbedisplayed,forinstancewhethertheFTM isactive.
1."CAR"2."Vehiclestatus"3."FlatTireMonitor"
Thestatusisdisplayed.
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Initializationrequired
Aninitializationmustbeperformedinthefollow#j
ingsituations:'xAfterthetireinflationpressurehasbeenad#j
justed.'xAfteratireorwheelreplacement.
Performinginitialization
Wheninitializing,thesettireinflationpressures
serveasreferencevaluesinordertodetectaflat tire.Initializationisstartedbyconfirmingthetireinflationpressures.
Donotinitializethesystemwhendrivingwith snowchains.
1."CAR"2."Vehiclestatus"3."FlatTireMonitor"4.Switchondrive-readystateanddonotdrive off.5.Starttheinitializationwith:"Performreset"6.Driveaway.
Theinitializationiscompletedwhiledriving,whichcanbeinterruptedatanytime.
Theinitializationautomaticallycontinueswhen drivingresumes.
Messages Generalinformation
Whenaflattireisindicated,DSCDynamicSta#j bilityControlisswitchedon,ifneeded.
Safetyinformation
Warning
Adamagedregulartirewithlowormissingtire inflationpressureimpactshandling,suchas
steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof accident.Donotcontinuedrivingifthevehicleisequippedwithnormaltires.Followtheinfor#j
mationonrun-flattiresandcontinueddriving
withthesetires.
Indicationofaflattire Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwithaCheckControlmes#j
sageappearsontheControlDisplay.SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Measure
1.Reduceyourspeedandstopcautiously.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 313.
Actionsintheeventofaflattire
Normaltires
1.Identifythedamagedtire.
Todothis,checkthetireinflationpressurein allfourtires,forinstanceusingthetirepres#jsuregageofaflattirekit.
Whenthetireinflationpressureinallfourtires
iscorrect,theFlatTireMonitorFTMmaynot havebeeninitialized.Inthiscase,initializethesystem.
Ifidentificationofflattiredamageisnotpos#j
sible,pleasecontactadealer#ssservicecenter
oranotherqualifiedservicecenterorrepair
shop.2.Repairtheflattire,e.g.,withaflattirekitorby changingthewheel.Seite3278heelsandtiresMOBILITY327
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Run-flattires
Safetyinformation
Warning
Thevehiclehandlesdifferentlywhenarun-flat tirehasinsufficientornotirepressure;forin#j stance,reducedlanestabilitywhenbraking,brakingdistancesarelongerandtheself-steer#jingpropertieswillchange.Thereisariskofac#j
cident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Maximumspeed
Youmaycontinuedrivingwithadamagedtireat
speedsupto50mph/80km/h.
Continueddrivingwithaflattire
Followthefollowingwhencontinuingtodrive
withadamagedtire:
1.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Donotexceedaspeedof50mph/80km/h.3.Checkthetireinflationpressureinallfour
tiresatthenextopportunity.
Whenthetireinflationpressureinallfourtires
iscorrect,theFlatTireMonitormaynothave beeninitialized.Inthiscase,initializethesys#jtem.
Possibledrivingrangewitha
depressurizedtire
Thedistanceforwhichitmaybepossibleto
drivesafelyvariesdependingonhowthevehicle
isloadedandused,e.g.,speed,roadconditions,
externaltemperature.Thedrivingrangemaybe
lessbutmayalsobemoreifaneconomicaldriv#j ingstyleisused.
Ifthevehicleisloadedwithanaverageweight
andusedunderfavorableconditions,thedis#j
tanceforwhichitmaybesafetodrivemaybeup to50miles/80km.
Vehiclehandlingwithdamagedtires
Vehiclesdrivenwithadamagedtirewillhandle differently,potentiallyleadingtoconditionssuchasthefollowing:'xGreaterlikelihoodofswervingoffcourse.'xLongerbrakingdistances.'xChangedself-steeringproperties.
Modifyyourdrivingstyle.Avoidabruptsteeringmaneuversordrivingoverobstacles,forinstancecurbsorpotholes.
Finaltirefailure
Vibrationsorloudnoiseswhiledrivingcanindi#j catethefinalfailureofatire.
Reducespeedandstop;otherwise,piecesofthe
tirecouldcomelooseandcauseanaccident.
Donotcontinuedriving.Contactadealer#ssserv#j
icecenteroranotherqualifiedservicecenteror repairshop.
Systemlimits Thesystemcouldbedelayedormalfunctioninthefollowingsituations:
'xAnatural,eventireinflationpressurelossinallfourtireswillnotberecognized.Therefore,
checkthetireinflationpressureregularly.'xSuddenserioustiredamagecausedbyexter#j nalcircumstancescannotberecognizedinadvance.'xThesystemhasnotbeeninitialized.'xWhendrivingonasnowyorslipperyroadsur#j
face.'xSportydrivingstyle:spinningtractionwheels, highlateralacceleration(drifting).'xWhendrivingwithsnowchains.Seite328MOBILITY8heelsandtires328
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Changingwheels/tires
Generalinformation
Whenusingrun-flattiresoraflattirekit,awheel
doesnotalwaysneedtobechangedimmedi#j atelywhenthereisalossoftireinflationpressureduetoaflattire.
Ifneeded,thetoolsforchangingwheelsare availableasaccessoriesfromadealer#ssservice
centeroranotherqualifiedservicecenterorre#j
pairshop.
Safetyinformation
DANGER
Thevehiclejackisonlyprovidedforshort-term liftingofthevehicleforwheelchanges.Evenif
allsafetymeasuresareobserved,thereisarisk oftheraisedvehiclefalling,ifthevehiclejack
tipsover.Thereisariskofinjuriesordangerto
life.Ifthevehicleisraised,donotlieunderthe
vehicleanddonotstarttheengine.
DANGER
Supportssuchaswoodenblocksundertheve#j hiclejackreducethecapacityofthevehicle
jacktobearweight.Theyhavethepotentialto
exerttoomuchstrainonthevehiclejack,caus#j
ingittotipoverandthevehicletofall.Thereis
ariskofinjuriesordangertolife.Donotplace
supportsunderthevehiclejack.
Warning
Thejack,issuedbythevehiclemanufacturer,is providedinordertoperformawheelchangein
theeventofabreakdown.Thejackisnotde#j
signedforfrequentuse;forexample,changing
fromsummertowintertires.Usingthejackfre#j
quentlymaycauseittobecomejammedor
damaged.Thereisariskofinjuryandriskof
damagetoproperty.Onlyusethejacktoattach
anemergencyorsparewheelintheeventofa
breakdown.
Warning
Onsoft,unevenorslipperyground,forexample snow,ice,tiles,etc.,thevehiclejackcanslip away.Thereisariskofinjury.Ifpossible,changethewheelonaflat,solid,andslip-re#j
sistantsurface.
Warning
Thevehiclejackisoptimizedforliftingthevehi#j cleandforthejackingpointsonthevehicle
only.Thereisariskofinjury.Donotliftany othervehicleorcargousingthevehiclejack.
Warning
Whenthevehiclejackisnotinsertedintothe
jackingpointprovidedforthispurpose,theve#j hiclemaybedamagedorthevehiclejackmay
slipwhenitisbeingcrankedup.Thereisarisk ofinjuryorriskofdamagetoproperty.When
crankingupthevehiclejack,ensurethatitisin#j
sertedinthejackingpointnexttothewheel
housing.
Warning
Avehiclethatisraisedonavehiclejackmayfall offofthejackiflateralforcesareexertedonit.
Thereisariskofinjuryandriskofdamageto property.Whilethevehicleisraised,donotex#jertlateralforcesonthevehicleorpullabruptly
onthevehicle.Haveastuckwheelremovedby
adealer#ssservicecenteroranotherqualified
servicecenterorrepairshop.
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Securingthevehicleagainst
rolling
Generalinformation Thevehiclemanufacturerrecommendstoaddi#j
tionallysecurethevehicleagainstrollingaway
whenchangingawheel.
Onalevelsurface
Placewheelchocksorothersuitableobjectsin
frontandbehindthewheelthatisdiagonaltothe wheeltobechanged.
Onaslightdownhillgradient
Ifyouneedtochangeawheelonaslightdown#j
hillgrade,placechocksandothersuitableob#j
jects,forinstancerocks,underthewheelsof
boththefrontandrearaxlesagainsttherolling
direction.
Lugboltlock
Concept
Thewheellugboltshaveaspecialcoding.The
lugboltscanonlybereleasedwiththeadapter
whichmatchesthecoding.
Overview Theadapterofthelugboltlockisintheonboard
vehicletoolkitorinastoragecompartmentclose
totheonboardvehicletoolkit.'xLuglockbolt,arrow1.'xAdapter,arrow2.
Unscrewing
1.Attachtheadaptertotheluglockbolt.2.Unscrewtheluglockbolt.3.Removetheadapterafterunscrewingthelug
bolt.
Screwingon
1.Attachtheadaptertotheluglockbolt.Ifnec#j
essary,turntheadapteruntilitfitsonthelug lockbolt.2.Screwontheluglockbolt.Thetightening
torqueis140Nm.3.Removetheadapterandstowitafterscrew#j
ingonthelugbolt.
Preparingthevehicle
'xParkthevehicleonsolidandnon-slipground atasafedistancefromtraffic.Seite330MOBILITY8heelsandtires330
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