BMW M4 2021 Owners Manual

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Foldthecoveroutwards.
Fitting Followtheinstallationinstructionsfortheroof
rack.
Makesurethatthereissufficientspacetoraise
andopentheglasssunroof.
Loads
Aloadedroofrackaltersthevehicle'sroadbej
haviourandsteeringresponsebyshiftingitscenj
treofgravity.
Whenloadinganddriving,bearthefollowingin mind:
'xDonotexceedthepermittedroofandaxle
loadsorthepermittedgrossweight.'xMakesurethatthereissufficientspaceto
raiseandopentheglasssunroof.'xDistributetheroofloadevenly.'xTheroofloadmustnotbespreadoveralarge
area.'xPlaceheavyitemsofluggageatthebottom.'xSecurelyfastentheluggage,forexamplewith
tensioningstraps.'xDonotallowobjectstoprotrudeintothe
swingrangeofthebootlid.'xDrivecautiouslyandavoidsuddenacceleraj tion,brakingorcornering.Drivingonaracingtrack
WARNING
Thevehicleisnotdesignedforuseinmotorj sportcompetitionsorsimilar.Thereisariskof
accident.Donotusethevehicleinmotorsport
competitionsorsimilar.
Thehighermechanicalandthermalloadsinj volvedindrivingonracingtracksleadtoinj
creasedwear.Thiswearisnotcoveredbythe
warranty.
Whendrivingonaracetrack,graduallyincrease thedurationoftheload.
Beforeandafterdrivingonaracingtrack,have
thevehiclecheckedataServicePartnerofthe
manufactureroranotherqualifiedServicePartner
oraspecialistworkshop.
Thestandardbrakepadsandtheweardisplays
arenotdesignedforracingtrackoperation.
Furtherinformationandadvicecanbeobtained
fromaServicePartnerofthemanufactureroranj
otherqualifiedServicePartneroraspecialist
workshop.
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SavingfuelVehicleequipment
Thischapterdescribesallstandard,country-spejcificandoptionalequipmentavailableforthe
modelseries.Itmaythereforedescribeequipj
mentandfunctionswhicharenotinstalledin yourvehicle,forexampleonaccountofthespejcialequipmentselectedorthecountryspecificaj
tion.Thisalsoappliestosafety-relevantfuncj
tionsandsystems.Pleasecomplywiththe
relevantlawsandregulationswhenusingthe
correspondingfunctionsandsystems.
Reducingfuelconsumption
General
Thevehiclepossesseswide-rangingtechnoloj
giesforreducingconsumptionandemissionlevj
els.
Fuelconsumptiondependsonvariousfactors.
Anumberofmeasures,suchasamoderatedrivj ingstyleandregularmaintenance,caninfluencefuelconsumptionandreducetheburdenonthe
environment.
RemoveunnecessaryloadsExtraweightincreasesfuelconsumption.
Removemountedpartsafteruse Removeunneededroofracksafteruse.Add-onaccessoriesonthevehiclecanadverselyaffectitsaerodynamicperformanceandincrease
fuelconsumption.
Closewindowsandtheglass
sunroof
Anopenglasssunrooforopenwindowincreasedragandconsequentlyfuelconsumption.
Tyres
GeneralTyrescanhavedifferingeffectsonconsumption
figures.Consumptioncanbeaffectedbythesize ofthetyres,forexample.
Checktyreinflationpressure
regularly
Checkand,ifnecessary,correctthetyreinflationpressuresatleasttwiceamonthandbeforesetj
tingoffonalongerjourney.
Insufficienttyreinflationpressureenlargesthe
rollingresistanceandthusincreasesfuelconj sumptionandtyrewear.
Forfurtherinformation:
Tyreinflationpressureinformation,see
page 336.
Driveoffimmediately Donotwarmuptheenginewiththevehicleatastandstill,butinsteadsetoffstraightaway,drivj
ingatmoderateenginespeeds.
Thisbringsthecoldengineuptooperatingtemj peratureasquicklyaspossible.
Thinkahead
Anticipatingtheroadsituationandadoptinga
smoothdrivingstylewillreducefuelconsumpj tion.
Avoidacceleratingandbrakingunnecessarily. Keepanappropriatedistancefromthevehicleahead.
Avoidhighenginespeeds
Drivingatlowenginespeedsreducesfuelconj
sumptionandwear.
Payattentiontotheoptimumshiftindicatorin thevehicle,iffitted.Seite332DRIVINGHINTSSavingfuel332
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MakeuseofoverrunmodeWhenapproachingaredtrafficlight,takeyourfootofftheacceleratorandallowthevehicletoroll.
Ondownwardstretches,takeyourfootoffthe acceleratorandallowthevehicletoroll.
Thefuelsupplyisinterruptedinoverrunmode.
Switchofftheengineifstopping
forlongerperiods
Stoppingtheengine
Whenyoustopthevehicleforlongerperiods,for
exampleattrafficlights,railwaycrossingsorin trafficjams,switchofftheengine.
AutomaticStart/Stopfunction TheAutoStartStopfunctionofthevehicleshutsofftheengineautomaticallyduringastop.
Iftheengineisswitchedoffandthenstarted again,thefuelconsumptionandemissionsarereducedcomparedwithapermanentlyrunning
engine.Savingscanbemadejustbystopping
theengineforafewseconds.
Fuelconsumptionalsodependsonotherfactors,
suchasdrivingstyle,roadcondition,maintej
nanceorenvironmentalfactors,forexample.
Switchofffunctionswhichare
notcurrentlyrequired
Functionssuchasseatheatingorrearwindow
heatingrequireagreatdealofenergyandinj creasefuelconsumption,especiallyincitytraffic
andstop-and-gotraffic.
Switchthesefunctionsoffiftheyarenotrej
quired.
Havemaintenanceworkcarried
out
Havethevehicleservicedregularlytoachieve
optimaleconomyandlifetime.BMWrecomjmendshavingmaintenanceworkcarriedoutbya
BMWServicePartner.
PleasealsoseetheBMWMaintenanceSystem.Seite333SavingfuelDRIVINGHINTS333
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RefuellingVehicleequipment
Thischapterdescribesallstandard,country-spejcificandoptionalequipmentavailableforthe
modelseries.Itmaythereforedescribeequipj
mentandfunctionswhicharenotinstalledin yourvehicle,forexampleonaccountofthespejcialequipmentselectedorthecountryspecificaj
tion.Thisalsoappliestosafety-relevantfuncj
tionsandsystems.Pleasecomplywiththe
relevantlawsandregulationswhenusingthe
correspondingfunctionsandsystems.
Noteswhenrefuelling
General Beforerefuelling,observethenotesonthefuelgrade.
Whenrefuelling,insertthefillernozzlefullyinto
thefillerneck.Liftingthefillernozzleduringrefuj
ellingresultsinthefollowing:
'xThesupplyoffuelisstoppedtoosoon.'xFuelvapourrecoveryislesseffective.
Thefueltankisfullwhenthefillernozzlecutsout forthefirsttime.
Pleasecomplywiththesafetyregulationsdisj
playedatfillingstations.
Forfurtherinformation:
Fuelquality,seepage 362.
Safetynotes
NOTE
Iftherangedropsbelow50km,30miles,the enginemaynolongerbesuppliedwithsuffij
cientfuel.Enginefunctionisnolongerensured.
Thereisariskofmaterialdamage.Refuelin
goodtime.
NOTE
Fuelsarepoisonousandaggressivesubstanj ces.Overfillingthefueltankcandamagethe
fuelsystem.Iffuelcomesintocontactwith
paintwork,itcandamageit.Theenvironmentis
polluted.Thereisariskofmaterialdamage.
Avoidoverfilling.
Fueltankcap
Opening
1.Toopenthefueltankfillerflap,pushonthe
upperedge,arrow.Thefueltankfillerflap opens.Seite334MOBILITYRefuelling334
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2.Turnthefueltankcapanticlockwise.3.Placethefueltankcapintheholderonthe
fuelfillerflap.
Closing
WARNING
Theretainingstrapofthefueltankcapmaybej
cometrappedandcrushedwhenturningthe
captocloseit.Itwillthennotbepossibleto
closethecapproperly.Fuelorfuelvapourscan
leakout.Thereisariskofinjuryormaterial damage.Makesurethattheretainingstrap
doesnotgettrappedandcrushedwhenclosj
ingthecap.
1.Fitthefuelfillercapandturnclockwiseuntilit
isclearlyheardtoclickintoplace.2.Pressonthefueltankfillerflapuntilitenj
gages.
Emergencyrelease
Incertainsituations,itmaybenecessarytounj
lockthefueltankfillerflapmanually,forexample
ifthereisanelectricalfault.
HavethefueltankfillerflapunlockedbyaServj
icePartnerofthemanufactureroranotherqualij
fiedServicePartneroraspecialistworkshop.Seite335RefuellingMOBILITY335
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WheelsandtyresVehicleequipment
Thischapterdescribesallstandard,country-spejcificandoptionalequipmentavailableforthe
modelseries.Itmaythereforedescribeequipj
mentandfunctionswhicharenotinstalledin yourvehicle,forexampleonaccountofthespejcialequipmentselectedorthecountryspecificaj
tion.Thisalsoappliestosafety-relevantfuncj
tionsandsystems.Pleasecomplywiththe
relevantlawsandregulationswhenusingthe
correspondingfunctionsandsystems.
Tyreinflationpressure
General
Atyre'sconditionandinflationpressureinfluence thefollowing:
'xLifetimeofthetyre.'xDrivingsafety.'xDrivingcomfort.'xFuelconsumption.
Safetynote
WARNING
Atyrewithtoolittleornotyreinflationpressure
canheatupsignificantlyandsustaindamage.
Handlingcharacteristics,forexamplesteering
andbraking,willbeimpairedasaresult.There
isariskofaccident.Checkthetyreinflation
pressureregularlyandadjustasnecessary,for
exampletwiceamonthorbeforeanylongjourj
ney.
Tyreinflationpressure
information
Onthedoorpillar
Thetyreinflationpressureinformationisshown
onthedoorpillarofthedriver'sdoor.
Thetyreinflationpressuredataisvalidforthe
tyresizesandrecommendedtyremakeswhich
havebeenratedbythevehiclemanufactureras suitableforthevehicleconcerned.
Thetyreinflationpressuresstatedfortherej
spectiveloadconditionsapplydependingonthe
vehicle'sactualloadcondition.Example:fora partiallyloadedvehicle,theoptimumtyreinflationpressureistheonestatedforapartiallyloaded
vehicle.
Moreinformationregardingwheelsandtyrescan
beobtainedfromaServicePartnerofthemanuj
factureroranotherqualifiedServicePartnerora specialistworkshop.
ForAustralia/NewZealand
WARNING
Theinflationpressuresonthetyrelabelareapj plicableonlyfortyresexplicitlymentionedon
thelabel.Inflationpressuresfortyresthatmay
becoveredbythelabelmbysize,speedcatej
goryandloadrating/loadindexmbutnotexplicj
itlymentionedonthelabelmaybedifferent.
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Pleaseobtainadequateinflationpressuresinaccordancewiththetyremanufacturer'sspecij
ficationsfromyourtyredealer.
Onthecontroldisplay Thecurrenttyreinflationpressuresforthe
mountedtyrescanbedisplayedonthecontrol
display.
Toensurethattheyaredisplayedcorrectly,the tyresizesmustbestoredinthesystemandmust havebeensetforthefittedtyres.
Thecurrenttyreinflationpressurevalueisshown oneachtyre.
Checkingthetyreinflation
pressure
GeneralTyresheatupwhiledriving.Thetyreinflation
pressureincreaseswiththetemperatureofthe
tyre.
Tyreshaveanatural,uniformlossoftyreinflation
pressure.
Inflatingdevicescandisplayapressurethatmay
beupto0.1bartoolow.
Checkingusingtyreinflation
pressureinscriptionsonthedoor
pillar1.Determinethespecifiedtyreinflationpresj
suresforthetyresinstalledonthevehicle.2.Checkthetyreinflationpressureinallfour tyres,usingapressuregauge,forexample.3.Correctthetyreinflationpressureifthecurjrenttyreinflationpressuredeviatesfromthe
specifiedtyreinflationpressure.4.Checkwhetherallvalvecapsarescrewed
ontothetyrevalves.
Thetyreinflationpressureinformationonthe
tyreinflationpressureplateonthedoorpillaronly
relatestocoldtyresortyresatthesametemperj
atureastheambienttemperature.
Onlycheckthetyreinflationpressureswhenthe tyresarecold,i.e.:'xIfthevehiclehasbeendrivenadistanceofno
morethan2km,1.25miles.'xIfthevehiclehasnotmovedagainforatleast 2hoursafterajourney.
Regularlycheckthetyreinflationpressureofthesparewheelintheluggagecompartmentand
correctthepressureifnecessary.
Checkingusingthetyreinflation
pressureinformationonthecontrol
display
1.CAR2.Vehiclestatus3.TyrePressureMonitor4.Checkifthecurrenttyreinflationpressures
matchthespecifiedtyrepressurevalue.5.Correctthetyreinflationpressureifthecurj renttyreinflationpressuredeviatesfromthe
specifiedtyreinflationpressure.
Afteradjustingthetyreinflation
pressure
ForrunflatindicatorRPA:
ReinitialisetherunflatindicatorRPA.
WiththeTyrePressureMonitor:
Thecorrectedtyreinflationpressuresareapplied automatically.Makesurethatthecorrecttyre
settingshavebeenmade.
Fortyresthatcannotbefoundinthetyreinflaj tionpressureinformationonthecontroldisplay,
resettheTyrePressureMonitor.
Speedcode
DesignationMaximumspeedQupto160km/h,100mphRupto170km/h,106mphSupto180km/h,112mphSeite337WheelsandtyresMOBILITY337
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DesignationMaximumspeedTupto190km/h,118mphHupto210km/h,131mphFupto240km/h,150mphWupto270km/h,167mphYupto300km/h,186mph(Y)above300km/h/186mph
Tyretread
SummertyresThetyretreaddepthshouldnotbelessthan3mm,0.12in,otherwisethereisahighriskofaquaplaning.
Wintertyres
Thetyretreaddepthshouldnotbelessthan
4mm,0.16in,itssuitabilityforwinteruseislimij
ted.
Minimumtreaddepth
Wearindicatorsaredistributedaroundthecirj cumferenceofthetyre.Thesewearindicators
havethelegallyprescribedminimumheightof
1.6mm,0.06in.
Thepositionsofthewearindicatorsareidentij
fiedonthetyre'ssidewallbyTWI,TreadWear
Indicator.
Tyredamage
General
Inspecttyresregularlyfordamage,thepresenceofforeignbodiesandwear.
Vehiclebehaviourthatmayindicatetyredamage
orotherfaults:
'xUnusualvibrations.'xUnusualtyreorrunningnoises.'xUnusualvehicleresponse,suchasproj nouncedpullingtotheleftorright.
Damagecanbecausedbythefollowingsituaj
tions,forexample:
'xDrivingoverkerbs.'xRoaddamage.'xInsufficienttyreinflationpressure.'xOverloadingthevehicle.'xIncorrecttyrestorage.
Safetynotes
WARNING
Ifthetyresaredamaged,thetyreinflationpresj suremaybereduced,whichinturncould
causeyoutolosecontrolofthevehicle.There
isariskofaccident.Ifyoususpecttyredamage
whileyouaredriving,immediatelyreduce
speedandbringthevehicletoastop.Havethe
wheelsandtyreschecked.Todoso,carefully
drivetoaServicePartnerofthemanufacturer
oranotherqualifiedServicePartneroraspej
cialistworkshop.Ifnecessary,havethevehicle towedortransportedthere.Donotrepairdamj
agedtyres.Havethemreplaced.
WARNING
Tyrescanbecomedamagedbyrunningover
obstacles,forexamplekerbsorroaddamage, athighspeed.Largerwheelshaveasmallertyrecross-section.Thesmallerthetyrecross-
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section,thehighertheriskoftyredamage.
Thereisariskofaccidentandmaterialdamj age.Ifpossible,drivearoundobstaclesordrive
overthemslowlyandcarefully.
Ageoftyres
Recommendation Irrespectiveofthetyretreaddepth,changetyresafter6yearsatthelatest.
Dateofmanufacture
Thedateofmanufactureofthetyreisindicated
onthetyresidewall.
DesignationDateofmanufactureDOT

Page 340 of 416

Recommendedmakesoftyre
Certainmakesoftyrearerecommendedbythe
manufacturerofthevehicleforeachtyresize. Thetyrebrandscanbeidentifiedbyastaronthe
sidewallofthetyre.
Newtyres Duetothemanufacturingprocess,newtyresdonotachievetheirfullroadgripimmediately.
Drivemoderatelyforthefirst300km,200miles.
Retreadedtyres
WARNING
Retreadedtyresmayhavedifferenttyrecarj
casses.Theirdurabilitymaybereduceddueto
theiradvancedage.Thereisariskofaccident. Donotuseretreadedtyres.
Thevehiclemanufactureradvisesagainsttheuseofretreadedtyres.
Wintertyres GeneralWintertyresarerecommendedifdrivinginwinterconditions.
Althoughtyresknownasall-seasontyreswithan M+Slabelhavebetterwintercharacteristicsthan summertyres,theydonotnormallymatchthe
performanceofwintertyres.
Maximumspeedofwintertyres
Ifthevehicleiscapableofmaximumspeedshigherthanthespeedpermittedforthewintertyres,aninformationlabelstatingthemaximum
permittedspeedforthetyresfittedmustbedisj
playedinthedriver'sfieldofview.Thelabelis
availablefromaServicePartnerofthemanufacj
tureroranotherqualifiedServicePartnerora
specialistworkshop.
Ifwintertyresarefitted,observeanddonotexj
ceedtherespectivelypermittedmaximum
speed.
Rotatingwheelsbetweenaxles
WARNING
Swappingofwheelsbetweenaxlesonvehicles withdifferentlysizedtyresorrimsonthefront andrearcausetyredamageanddamagetothevehicle.Thereisariskofaccident.Donotswap
overwheelsbetweenaxlesonvehicleswithdifj
ferentlysizedtyresorrimsonthefrontand
rear.
Storingtyres
Tyreinflationpressure Donotexceedthemaximumtyreinflationpresj
sureindicatedonthetyre'ssidewall.
Tyrestorage
'xStorewheelsandtyresinacool,dryanddarkplacewhennotinuse.'xProtectthetyresagainstcontaminationfromoil,greaseandsolvents.'xDonotleavetyresinplasticbags.'xRemovedirtfromthewheelsortyres.Seite340MOBILITYWheelsandtyres340
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