BMW 8 SERIES CONVERTIBLE 2021 Owners Manual

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Rotatingwheelsbetweenaxles
WARNING
Swappingofwheelsbetweenaxlesonvehicles
withdifferentlysizedtyresorrimsonthefront andrearcausetyredamageanddamagetothe
vehicle.Thereisariskofaccident.Donotswap
overwheelsbetweenaxlesonvehicleswithdifj
ferentlysizedtyresorrimsonthefrontand
rear.
Storingtyres
Tyreinflationpressure Donotexceedthemaximumtyreinflationpresjsureindicatedonthetyre'ssidewall.
Tyrestorage
'xStorewheelsandtyresinacool,dryanddarkplacewhennotinuse.'xProtectthetyresagainstcontaminationfromoil,greaseandsolvents.'xDonotleavetyresinplasticbags.'xRemovedirtfromthewheelsortyres.
Run-flattyres
Principle
Intheeventofacompletelossoftyreinflation
pressure,run-flattyresenableyoutocontinue driving,withcertainrestrictions.
General Thewheelsarefittedwithtyreswhichareself-
supportingtoalimiteddegree.Theymayalso
havespecialrims.
Thereinforcedsidewallmeansthatthetyre
keepsthevehiclemobiletoadegreeeveniftyre
inflationpressurehasbeenlost.
Observethenotesoncontinuingtodrivewitha
flattyre.
Safetynote
WARNING
Arun-flattyrewithtoolittleornotyreinflation
pressurewillchangethevehicle'shandling
characteristics,forexampletheremayberej
duceddirectionalstabilitywhenbraking,longer
stoppingdistancesanddifferentself-steering characteristics.Thereisariskofaccident.Drive
withcareanddonotexceedaspeedof
80km/h,50mph.
Label
ThetyresareidentifiedbyRunflatSystemComj ponentRSConthetyre'ssidewall.
Remedyingflattyres
Safetymeasures
'xParkthevehicleonafirmsurfaceandasfar
awayfrommovingtrafficaspossible.'xSwitchonthehazardwarninglights.'xApplytheparkingbraketopreventthevehij
clerollingaway.'xEngagethesteeringwheellockwiththe
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'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
TheMobilitySystemislocatedintheleftstoragecompartmentoftheboot.
Sealantcontainer
'xSealantcontainer,arrow1.'xFillerhose,arrow2.
Notetheuse-bydateonthesealantcontainer.
Compressor
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3Tyreinflationpressureindicator4Reducetyreinflationpressurebutton5On/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,exhaustfumescanalsobuildupoutsidethevehicle.Thereisariskofdeath.
Keeptheexhaustpipeclearandensuresuffij
cientventilation.
NOTE
Thecompressorcanoverheatifoperatedfor toolong.Thereisariskofmaterialdamage.Do
notletthecompressorrunforlongerthan
10minutes.
Filling
1.Shakethesealantcontainer.2.Pullfillerhosecompletelyfromthecoverof
thesealantcontainer.Donotkinkthehose.3.Pushthesealantcontainerintothebracket onthecompressorhousing,untilitaudiblyengages.Seite343WheelsandtyresMOBILITY343
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4.Screwthefillerhoseofthesealantcontainer
ontothetyrevalveofthefaultywheel.5.Inserttheplugintothesocketinthevehicle interiorwhilethecompressorisswitchedoff.6.Switchonthecompressorwithstandbystateordrive-readystateswitchedon.
Letthecompressorrunforamaximumof10mij
nutestofillthesealingcompoundandachievea
tyreinflationpressureofapproximately2.0bar.
Thetyreinflationpressuremayrisetoapproxij mately5barduringthefillingprocessofthesealingcompound.Donotswitchoffthecomj
pressorduringthisstep.
Checkingandadjustingthetyre
inflationpressure
Checking1.Switchoffcompressor.2.Readoffthetyreinflationpressureasshown
onthetyrepressureindicator.
Tobeabletocontinuethejourney,atyreinflaj
tionpressureofatleast2barmustbereached.
Removingandstoringthesealant
container
1.Unscrewthefillerhoseofthesealantconj
tainerfromthetyrevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecomj pressor.4.Packandstorethesealantcontainertoavoidsoilingtheboot.
Minimumtyreinflationpressureis
notreached
1.Unplugtheconnectorfromthesocketinthe vehicleinterior.2.Driveforwardsandbackwardsby10m,
400inches,todistributethesealantinthe tyre.3.Screwtheconnectinghoseofthecompresjsordirectlyontothetyrevalve.Seite344MOBILITYWheelsandtyres344
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4.Inserttheplugintothesocketinthevehicleinterior.5.Switchonthecompressorwithstandbystateordrive-readystateswitchedon.
Ifthetyreinflationpressureofatleast2baris notreached,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.Adjusting1.Stopinasuitablearea.2.Screwtheconnectinghoseofthecompresj sordirectlyontothetyrevalve.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.
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Havethepuncturedtyreandthesealantconj
taineroftheMobilitySystemreplacedassoonas possible.
Forfurtherinformation:'xRunflatindicatorRPA,seepage 353.'xTyrePressureMonitor,seepage 347.
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:'x245/45R18.'x245/40R19.
Observethesnowchainmanufacturer'sinstrucj
tions.
DonotinitialisetherunflatindicatorRPAwith
snowchainsfitted,asitmaygiveincorrectreadj ings.
DonotresettheTyrePressureMonitorwith snowchainsfitted,asitmaygiveincorrectreadjings.
Whendrivingwithsnowchainsfitted,activate
DynamicTractionControlDTCbrieflyasrej quiredinordertooptimisetraction.
Maximumspeedwithsnow
chains
Whensnowchainsarefitted,donotexceed 50km/h,30mph.
Rear-wheelsteeringwithsnow
chains
GeneralToensurethatwheelscanmoveasrequired
whenusingsnowchains,therear-wheelsteering functionoftheIntegralActiveSteeringmustbeswitchedoffwhensnowchainsarefitted.
Safetynote
WARNING
Iftherear-wheelsteeringisactivatedwhile snowchainsarefitted,contactbetweenthe snowchainsandbodyworkcanoccur.Thereisariskofaccidentormaterialdamage.Switchtherear-wheelsteeringoffwhensnowchainsarefitted.
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Switchingofftherear-wheel
steering
Therear-wheelsteeringisswitchedoffbysejlectingthe'snowchainsfitted'setting.1.CAR2.Settings3.Generalsettings4.Snowchains5.Snowchainsfitted
Therear-wheelsteeringisswitchedonagainauj
tomaticallywhenthepermittedmaximumspeed
forsnowchainsof50km/h,30mph,isreached.
TyrePressureMonitor
Principle
Thesystemmonitorsthetyreinflationpressure inthefourtyresinstalledonthevehicle.Thesysj
temwarnsifthetyreinflationpressureinoneor
moretyreshasdropped.
General Sensorsinthetyrevalvesmeasurethetyreinflajtionpressureandtyretemperature.
WiththetyresettingsiniDrive,thesystemcan
displaythepredefinednominalpressuresautoj maticallyandcomparethemwiththecurrenttyreinflationpressures.
Ifthevehicleisfittedwithtyreswhicharenotlisj
tedinthetyreinflationpressureinformationon
thevehicle,forexampletyreswithspecialapproj val,thesystemmustbeactivelyreset.Thecurj
renttyreinflationpressuresarethenacceptedas thespecifiedvalues.
Whenoperatingthesystem,pleasealsocomply
withtheinformationandnotesinthechapteron
tyreinflationpressure.
Forfurtherinformation:
Tyreinflationpressure,seepage 336.
Safetynote
WARNING
Thedisplayshowingthespecifiedtyreinflation
pressuresdoesnotreplacethetyreinflation
pressureinformationonthevehicle.Ifincorrect
datahasbeenenteredintothetyresettings,
thespecifiedtyreinflationpressureswillalsobe
incorrect.Asaresult,reliablesignallingofaloss
oftyreinflationpressurecannolongerbeguarj
anteed.Thereisariskofinjuryandmaterial
damage.Makesurethatthetyresizesofthe
fittedtyresaredisplayedcorrectlyandthatthey
matchthespecificationsonthetyresandinthe
tyreinflationpressureinformation.
Operatingrequirements
Thefollowingrequirementsmustbemetforthesystem,otherwisereliablesignallingofalossof
tyreinflationpressureisnotensured:
'xAftereverytyreorwheelchange,thecorrect specificationsforthefittedtyresmustbeenjteredinthetyresettings.'xTheTyrePressureMonitoronlybecomesacj
tiveafterajourneyofseveralminutes:'xAfterchangingatyreorwheel.'xAfterareset,inthecaseoftyreswithspej cialapproval.'xAfterchangingthetyresetting.'xInthecaseoftyreswithspecialapproval:'xAftereverytyreorwheelchange,aresetmustbecarriedoutwhenthetyreinflationpressuresarecorrect.'xAresetmustbecarriedoutafterthetyre
inflationpressurehasbeenadjustedtoa
newvalue.'xWheelswithwheelelectronics.Seite347WheelsandtyresMOBILITY347
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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.
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 Dependingonthemodel,thecurrenttyretemjperaturesareshown.
Thecurrenttyretemperaturescanchangeasa
resultofvehicleoperationortheoutsidetemperj ature.
Specifiedpressure Thespecifiedpressureforthetyresonthefront
andrearaxleisdisplayed.
Thecalculatedpressuretakesaccountofthe temperatureeffectscausedbyvehicleoperation
andtheoutsidetemperature.Theappropriate specifiedpressureisalwaysdisplayedirrespecj
tiveoftheweatherconditions,tyretemperatures
andlengthofjourney.
Thedisplayedspecifiedpressuremayvaryand
differfromthevaluestatedinthetyreinflation
pressureinformationonthedoorpillarofthe
driver'sdoor.Thetyreinflationpressurecanthus
becorrectedtothevalueofthedisplayedspecij
fiedpressures.
Thespecifiedpressureisadjustedimmediatelyif
theloadstatusischangedinthetyresettings.
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TyrestatusesGeneralThestatusofthesystemandtyresisindicatedbythewheelcolourandamessageontheConjtrolDisplay.
Ifapplicable,existingmessagesarenotdeletedif thenominalpressureisnotreachedoncorrecjtionofthetyreinflationpressure.
Allwheelsgreen'xThesystemisactiveandreferstothenomij
nalpressuresforthewarning.'xInthecaseoftyreswithspecialapproval:the
systemisactiveandisusingthetyreinflation
pressuressavedduringthelastresetforthe
warning.
Onetofourwheelsyellow
Thereisaflattyreormajorlossoftyreinflationpressureinthetyresshown.
Wheelsgrey
Tyrepressurelossesmightnotbedetected.
Possiblecauses:
'xMalfunction.'xThetyreinflationpressureisbeingmeasured, afterconfirmationofthetyresettings.'xInthecaseoftyreswithspecialapproval:a
systemresetisbeingperformed.
Tyreswithspecialapproval:
performingareset
1.CAR2.Vehiclestatus3.TyrePressureMonitor4.Makesurethatthecorrecttyresettingshave
beenmade.
Tyresettings,seepage 348.5.Switchondrive-readystatebutdonotdrive
off.6.Resetthetyreinflationpressure:Perform reset.7.Driveoff.
Thewheelsareshowngreyandthefollowingapj
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Ifatyreinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageis
shownontheControlDisplay.SymbolPossiblecauseThetyrewasnotinflatedproperly,
forexampleinsufficientairwas
addedortherewasanatural,even
lossoftyreinflationpressure.
Action
Checkthetyreinflationpressureandadjustas necessary.
Ifthetyreinflationpressureis
insufficient
Message Ayellowwarninglampisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwithaCheckControlmesj
sageisshownontheControlDisplay.
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.Checkwhetherthevehicleisequippedwith
standardtyresorrun-flattyres.
Thesymbolidentifyingrun-flattyresisacirj
clewiththelettersRSConthetyresidewall.
Run-flattyres,seepage 341.3.Followthedescriptionofwhattodowhenthe
vehiclegetsaflattyre.
Whattodointheeventofaflattyre,see
page 352.
Messages:inthecaseoftyres
withspecialapproval
GeneralDynamicStabilityControlDSCwillbeactivatedif
necessaryassoonasamessageforlowtyreinj flationpressureappears.
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