BMW 8 SERIES COUPE 2021 Owners Manual

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Tiretread
Summertires
Donotdrivewithatiretreadoflessthan
0.12in/3mm,otherwisethereisanincreased riskofhydroplaning.
Wintertires Donotdrivewithatiretreadoflessthan
0.16in/4mm,assuchtiresarelesssuitablefor
winteroperation.
Minimumtreaddepth
Wearindicatorsaredistributedaroundthetire circumference.Thesewearindicatorshavethe
legallyrequiredminimumheightof
0.063in/1.6mm.
Thepositionsofthewearindicatorsaremarked onthetiresidewallwithTWI,TreadWearIndica#j
tor.
Tiredamage
Generalinformation Inspectyourtiresregularlyfordamage,foreign
objectslodgedinthetread,andtreadwear.
Drivingoverroughordamagedroadsurfaces,as
wellasdebris,curbsandotherobstaclescan
causeseriousdamagetowheels,tiresandsus#j
pensionparts.Thisismorelikelytooccurwith low-profiletires,whichprovidelesscushioning
betweenthewheelandtheroad.Becarefulto
avoidroadhazardsandreduceyourspeed,es#j
peciallyifyourvehicleisequippedwithlow-pro#j filetires.
Indicationsoftiredamageorothervehiclemal#j
functions:'xUnusualvibrations.'xUnusualtireorrunningnoises.'xUnusualhandlingsuchasastrongtendency
topulltotheleftorright.
Damagecanbecausedbythefollowingsitua#j
tions,forinstance:
'xDrivingovercurbs.'xRoaddamage.'xTireinflationpressuretoolow.'xVehicleoverloading.'xIncorrecttirestorage.
Safetyinformation
Warning
Damagedtirescanlosetireinflationpressure,
whichcanleadtolossofvehiclecontrol.There isariskofaccident.Iftiredamageissuspected
whiledriving,immediatelyreducespeedand
stop.Havewheelsandtireschecked.Forthis
purpose,drivecarefullytothenearestdealer#ss
servicecenteroranotherqualifiedservicecen#j
terorrepairshop.Havevehicletowedortrans#j portedasneeded.Donotrepairdamagedtires,
buthavethemreplaced.
Warning
Tirescanbecomedamagedbydrivingoverob#j
stacles,e.g.,curbsorroaddamage,athigh
speed.Largerwheelshaveasmallertirecross- section.Thesmallerthetirecross-section,the
highertheriskoftiredamage.Thereisadan#j
gerofaccidentsandpropertydamage.Ifpossi#j
ble,avoiddrivingoverobjectsorroadcondi#j
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tionsthatmaydamagetires,ordriveoverthem
slowlyandcarefully.
Changingwheelsandtires
Mountingandwheelbalancing Havemountingandwheelbalancingcarriedout
byadealer#ssservicecenteroranotherqualified
servicecenterorrepairshop.
Wheelandtirecombination
Generalinformation Youcanaskthedealer'sservicecenteroran#j
otherqualifiedservicecenterorrepairshop aboutthecorrectwheel/tirecombinationandwheelrimversionsforthevehicle.
Safetyinformation
Warning
Wheelsandtireswhicharenotsuitableforyour
vehiclecandamagepartsofthevehicle,forin#j stanceduetocontactwiththebodyduetotol#j
erancesdespitethesameofficialsizerating.
Thereisariskofanaccident.Themanufac#j turerofyourvehiclestronglysuggeststhatyou
usewheelsandtiresthathavebeenrecom#j mendedbythevehiclemanufacturerforyour
vehicletype.
Warning
Mountedsteelwheelscancausetechnical problems,forinstanceunexpectedlooseningofthelugboltsanddamagetothebrakediscs.
Thereisariskofaccident.Donotmountsteel
wheels.
Warning
Incorrectwheel/tirecombinationswillhavea
negativeimpactonthevehicle'shandlingand
onthefunctionofavarietyofsystems,suchas
theABSAntilockBrakingSystemorDSCDy#j
namicStabilityControl.Thereisariskofacci#j dent.Tomaintaingoodhandlingandvehicle
response,useonlytireswithasingletreadcon#j
figurationfromasinglemanufacturer.The
manufacturerofthevehiclerecommendsthat
youusewheelsandtiresthathavebeenrec#j
ommendedbythevehiclemanufacturerfor
yourvehicletype.Followingtiredamage,have
theoriginalwheel/tirecombinationremounted
onthevehicleassoonaspossible.
Recommendedtirebrands
Foreachtiresize,themanufacturerofthevehi#j clerecommendscertaintirebrands.Thetire
brandscanbeidentifiedbyastaronthetire
sidewall.
Newtires Tiretractionisnotoptimalduetomanufacturing
circumstanceswhentiresarebrand-new;they achievetheirfulltractionpotentialafterabreak-intime.
Driveconservativelyforthefirst
200miles/300km.
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Retreadedtires
Warning
Retreadedtirescanhavedifferenttirecasing structures.Withadvancedagetheservicelife
canbelimited.Thereisariskofanaccident.
Themanufacturerofyourvehicledoesnotrec#j
ommendtheuseofretreadedtires.
Themanufacturerofthevehicledoesnotrec#j ommendtheuseofretreadedtires.
Wintertires Generalinformation Wintertiresarerecommendedforoperatingon
winterroads.
Althoughso-calledall-seasonM+Stiresprovide betterwintertractionthansummertires,they
usuallydonotprovidethesamelevelofperform#j
anceaswintertires.
Maximumspeedofwintertires Ifthemaximumspeedofthevehicleishigher
thanthepermissiblespeedforthewintertires,
thenattachalabelshowingthepermissiblemaxi#j
mumspeedinthefieldofview.Thelabelisavail#j ablefromadealer'sservicecenteroranother
qualifiedservicecenterorrepairshop.
Withwintertiresmounted,observeanddonot
exceedthepermissiblemaximumspeed.
Changingrunflattires Whenchangingfromrun-flattirestostandardtires,itmustbeensuredthatthevehiclecontainsacompactsparetire("donut")ortiremobilitykit.Furtherinformationisavailablefromadealer'sservicecenteroranotherqualifiedservicecenterorrepairshop.
Rotatingwheelsbetweenaxles
Warning
Rotatingtiresbetweentheaxlesonvehicles
withdifferenttiresizesorrimsizesonthefront
andrearaxlescancausedamagetothetires
andthevehicle.Thereisariskofaccident.Do notrotatethetiresbetweentheaxlesonvehi#j
cleswithdifferenttiresizesorrimsizesonthe
frontandrearaxles.
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.
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Followtheinstructionsforcontinueddrivingwithaflattire.
Safetyinformation
Warning
Thevehiclehandlesdifferentlywhenarun-flat
tirehasinsufficientornotirepressure;forin#j stance,reducedlanestabilitywhenbraking,
brakingdistancesarelongerandtheself-steer#j
ingpropertieswillchange.Thereisariskofac#jcident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Label
Thetiresaremarkedonthetiresidewallwith
Run-flatSystemComponentRSC.
Repairingaflattire
Safetymeasures
'xParkthevehicleasfarawayaspossiblefrom
passingtrafficandonsolidground.'xSwitchonthehazardwarningsystem.'xSecurethevehicleagainstrollingawayby
settingtheparkingbrake.'xTurnthesteeringwheeluntilthefrontwheels areinthestraight-aheadpositionandengage
thesteeringwheellock.'xHaveallvehicleoccupantsgetoutoftheve#j
hicleandensurethattheyremainoutsidetheimmediateareainasafeplace,suchasbe#j
hindaguardrail.'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
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OverviewStorage
TheMobilitySystemisintheleftstoragecom#j
partmentofthecargoarea.
Sealantcontainer
'xSealantcontainer,arrow1.'xFillinghose,arrow2.
Observeuse-bydateonthesealantcontainer.
Compressor
1Sealantcontainerunlocking2Sealantcontainerholder3Tirepressuregage4Reducetireinflationpressurebutton5On/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.
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NOTICE
Thecompressorcanoverheatduringextended operation.Thereisariskofdamagetoprop#j
erty.Donotrunthecompressorformorethan
10minutes.
Filling
1.Shakethesealantcontainer.2.Pullfillinghosecompletelyoutofthecoverof thesealantcontainer.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.
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Checkingandadjustingthetire
inflationpressure
Checking1.Switchoffthecompressor.2.Readthetireinflationpressureonthetirepressuregage.
Tocontinuethetrip,atireinflationpressureofatleast2barmustbereached.
Removingandstowingthesealant
container
1.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,contactamanufacturerservice
centeroranotherqualifiedservicecenteror
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.
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Adjustment1.Stopatasuitablelocation.2.Screwtheconnectionhoseofthecompres#j
sordirectlyontothetirevalvestem.3.Inserttheconnectorintothepowersocketin thevehicleinterior.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 326.'xTirepressuremonitor,refertopage 319.
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:
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'x245/45R18.'x245/40R19.
Followthesnowchainmanufacturer'sinstruc#jtions.
DonotinitializetheFlatTireMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
DonotresettheTirePressureMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
Whendrivingwithsnowchains,brieflyactivate DynamicTractionControlDTCtooptimizethe
drivepower.
Maximumspeedwithsnow
chains
Donotexceedaspeedof30mph/50km/hwhen
usingsnowchains.
Rearaxlesteeringduring
operationwithsnowchains
Generalinformation
Inordertoguaranteefreerunningofthewheels
whenoperatingwithsnowchains,rearaxle
steeringoftheintegralactivesteeringmustbe
switchedoffwhensnowchainsaremounted.
Safetyinformation
Warning
Whenrearaxlesteeringisswitchedonand
snowchainsaremounted,therecanbecontact
betweensnowchainsandthechassis.There maybeariskofaccidentorriskofdamagetoproperty.Withmountedsnowchains,switchofftherearaxlesteering.
Switchingoffrearaxlesteering
Therearaxlesteeringisswitchedoffbyspecify#j
ingthatsnowchainsareinstalled.1."CAR"2."Settings"3."Generalsettings"4."Tirechains"5."Snowchainsinstalled"
Startingwiththepermissiblemaximumspeed
withsnowchainsof30mph/50km/htherear axlesteeringwillbeswitchedonagainautomati#j
cally.
Tirepressuremonitor
Concept Thesystemmonitorstireinflationpressureinthefourmountedtires.Thesystemwarnsyouif thereisalossofpressureinoneormoretires.
Generalinformation Sensorsinthetirevalvesmeasurethetireinfla#jtionpressureandtiretemperature.
UsingthetiresettingsiniDrive,thesystemcan
automaticallycomparethespecifiedtargetpres#j
sureswiththeactualtireinflationpressures.
Iftiresarebeingusedthatarenotspecifiedon thetireinflationpressuredetailsonthevehicle,
suchastireswithspecialapproval,thesystem
needstobeactivelyreset.Thesystemwillthen
takeovertheactualtireinflationpressuresasthe targetpressures.
Whenoperatingthesystem,alsonotetheinfor#j mationfoundintheTireinflationpressurechap#j
ter.
Additionalinformation:
Tireinflationpressure,refertopage 304.
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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:
'xEverytimeatireorwheelischanged,the
correctdetailsonthemountedtiresmustbe enteredinthetiresettings.'xTheTirePressureMonitordoesnotactivate
untilafterdrivingforafewminutes:'xAfteratireorwheelreplacement.'xAfterareset,fortireswithspecialappro#j val.'xAfterchangingthetiresetting.'xFortireswithspecialapproval:'xAfteratireorwheelreplacement,aresetwasperformedwiththecorrecttireinfla#j
tionpressure.'xAfterthetireinflationpressurewasad#j
justedtoanewvalue,aresetwasper#j formed.'xWheelswithwheelelectronics.Tiresettings
Generalinformation 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.
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