BMW Z4 2020 Owners Manual

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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'xAwheelwithoutwheelelectronics,suchas anemergencywheel,ismounted:havethe
wheelschecked,ifneeded.'xInterferencecausedbysystemsordevices
withthesameradiofrequency:afterleaving theareaoftheinterference,thesystemauto#j
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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.
ViaiDrive:
1."CAR"2."Vehiclestatus"3."FlatTireMonitor"Seite272MOBILITY8heelsandtires272
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Thestatusisdisplayed.Initializationrequired
Aninitializationmustbeperformedinthefollow#j
ingsituations:'xAfterthetireinflationpressurehasbeenad#j
justed.'xAfteratireorwheelreplacement.
Performinginitialization
Wheninitializing,thesettireinflationpressures
serveasreferencevaluesinordertodetectaflat tire.Initializationisstartedbyconfirmingthetireinflationpressures.
Donotinitializethesystemwhendrivingwith snowchains.
ViaiDrive:
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#jmationonrun-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 260.
Actionsintheeventofaflattire
Normaltires
1.Identifythedamagedtire.
Todothis,checkthetireinflationpressurein allfourtires,forinstanceusingthetirepres#jsuregageofaflattirekit.Seite2738heelsandtiresMOBILITY273
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Whenthetireinflationpressureinallfourtires
iscorrect,theFlatTireMonitorFTMmaynot havebeeninitialized.Inthiscase,initializethesystem.
Ifidentificationofflattiredamageisnotpos#j sible,pleasecontactadealer#ssservicecenter
oranotherqualifiedservicecenterorrepair
shop.2.Repairtheflattire,e.g.,withaflattirekitorby changingthewheel.
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.
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,potentiallyleadingtoconditionssuch asthefollowing:'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.Seite274MOBILITY8heelsandtires274
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'xThesystemhasnotbeeninitialized.'xWhendrivingonasnowyorslipperyroadsur#j
face.'xSportydrivingstyle:spinningtractionwheels, highlateralacceleration(drifting).'xWhendrivingwithsnowchains.
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.
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Warning
Avehiclethatisraisedonavehiclejackmayfall offofthejackiflateralforcesareexertedonit.
Thereisariskofinjuryandriskofdamageto property.Whilethevehicleisraised,donotex#jertlateralforcesonthevehicleorpullabruptly
onthevehicle.Haveastuckwheelremovedby
adealer#ssservicecenteroranotherqualified
servicecenterorrepairshop.
Securingthevehicleagainst
rolling
Generalinformation
Thevehiclemanufacturerrecommendstoaddi#j
tionallysecurethevehicleagainstrollingaway
whenchangingawheel.
Onalevelsurface
Placewheelchocksorothersuitableobjectsin
frontandbehindthewheelthatisdiagonaltothe wheeltobechanged.
Onaslightdownhillgradient
Ifyouneedtochangeawheelonaslightdown#j
hillgrade,placechocksandothersuitableob#j
jects,forinstancearock,underthewheelsof
boththefrontandrearaxlesagainsttherolling
direction.
Lugboltlock
Concept
Thewheellugboltshaveaspecialcoding.The lugboltscanonlybereleasedwiththeadapter
whichmatchesthecoding.
Overview Theadapterofthelugboltlockisintheonboard
vehicletoolkitorinastoragecompartmentclose totheonboardvehicletoolkit.
'xLugbolt,arrow1.'xAdapter,arrow2.
Unscrewing
1.Attachtheadaptertothelugbolt.2.Unscrewthelugbolt.Seite276MOBILITY8heelsandtires276
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3.Removetheadapterafterunscrewingthelug
bolt.
Screwingon
1.Attachtheadaptertothelugbolt.Ifneces#j
sary,turntheadapteruntilitfitsonthelug
bolt.2.Screwonthelugbolt.Thetighteningtorque is140Nm.3.Removetheadapterandstowitafterscrew#j
ingonthelugbolt.
Preparingthevehicle
'xParkthevehicleonsolidandnon-slipground atasafedistancefromtraffic.'xSwitchonthehazardwarningsystem.'xSettheparkingbrake.'xEngageagearormovetheselectorlevertopositionP.'xAssoonaspermittedbythetrafficflow,have
allvehicleoccupantsgetoutofthevehicle andensurethattheyremainoutsidetheim#j
mediateareainasafeplace,suchasbehinda
guardrail.'xDependingonthevehicleequipment,get
wheelchangetoolsand,ifnecessary,the
emergencywheelfromthevehicle.'xIfnecessary,setupawarningtriangleorport#j ablehazardwarninglightatanappropriatedistance.'xSecurethevehicleadditionallyagainstrolling.'xLoosenthelugboltsahalfturn.Jackingpointsforthevehicle
jack
Thejackingpointsforthevehiclejackarelo#j catedattheindicatedpositions.
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Jackingupthevehicle
Warning
Handsandfingerscanbejammedwhenusing
thevehiclejack.Thereisariskofinjury.Com#j
plywiththedescribedhandpositionanddonot changethispositionwhileusingthevehicle
jack.
1.Holdthevehiclejackwithonehand,arrow1, andgraspthevehiclejackcrankorleverwithyourotherhand,arrow2.2.Insertthevehiclejackintotherectangularre#jcessofthejackingpointclosesttothewheel
tobechanged.3.Extendthevehiclejackbyturningthevehicle
jackcrankorleverclockwise.4.Takeyourhandawayfromthevehiclejackas soonasthevehiclejackisunderloadandcontinueturningthevehiclejackcrankorleverwithonehand.5.Makesurethatthevehiclejackfootstandsverticallyandatarightanglebeneaththe
jackingpoint.6.Makesurethatthevehiclejackfootstands verticallyandperpendicularlybeneaththe
jackingpointafterextendingthevehiclejack.7.Crankthevehicleup,untilthevehiclejackis withtheentiresurfaceonthegroundandthe
relevantwheelismaximum1.2inches/3cm aboveground.Seite278MOBILITY8heelsandtires278
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Mountingawheel
Mountoneemergencywheelonly,asrequired.1.Unscrewthelugbolts.2.Removethewheel.3.Putthenewwheeloremergencywheelon andscrewinatleasttwolugboltsinacross#jwisepatternuntilhand-tight.
Whennon-originallight-alloywheelsofthe
vehiclemanufactureraremounted,theac#j
companyinglugboltsmayhavetobeusedas well.4.Hand-tightentheremaininglugboltsand
tightenalllugboltswellinacrosswisepat#j tern.5.Turnthevehiclejackcrankcounterclockwise
toretractthevehiclejackandlowerthevehi#j
cle.6.Removethevehiclejackandstowitsecurely.
Afterthewheelchange
1.Tightenthelugboltscrosswise.Thetighten#j
ingtorqueis101lbsft/140Nm.2.Stowthenonworkingwheelinthecargoarea,
ifnecessary.
Thenonworkingwheelcannotbestoredun#j
derthecargofloorpanelbecauseofitssize.3.Checktireinflationpressureatthenextop#j
portunityandcorrectasneeded.4.ReinitializetheFlatTireMonitor.
ResettheTirePressureMonitoragain.5.Checktomakesurethelugboltsaretight
withacalibratedtorquewrench.6.Havethedamagedtirereplacedatthenear#j estdealer'sservicecenteroranotherquali#j
fiedservicecenterorrepairshop.Emergencywheel
Concept
Intheeventofaflattire,theemergencywheel
canbeusedinplaceofthewheelwiththedefec#j
tivetire.Theemergencywheelisonlyintended
fortemporaryuseuntilthedefectivetire/wheel hasbeenreplaced.
Generalinformation Mountoneemergencywheelonly.
Alsocheckthetireinflationpressureofthe
emergencywheelinthecargoarearegularly,and
correctitasneeded.
Safetyinformation
Warning
Theemergencywheelhasparticulardimen#j
sions.Whendrivingwithanemergencywheel,
changeddrivingpropertiesmayoccur,forin#j
stancereducedlanestabilitywhenbraking,lon#j gerbrakingdistance,andchangedself-steeringpropertiesinthelimitarea.Thereisariskofac#j
cident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Overview
Theemergencywheelandwheelchangetools
arelocatedinabaginthecargoarea.
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Removingtheemergencywheel1.Slackentheluggagestrapattheclasps,ar#j
row1.2.Detachthehooksoftheluggagestrapsatthe lashingpoints.3.Removethebagwiththeemergencywheelandwheelchangetoolsfromthecargoarea,arrow2.4.Openthebag,removeemergencywheeland
wheelchangetools.
Insertingtheemergencywheel
1.Stowtheemergencywheelandwheel changetoolsinthebag.2.Placethebagintothecargoarea.3.Attachthehooksoftheluggagestrapsatthelashingpoints.4.Securetheluggagestraps.Makesurethatit
iscorrectlyandfirmlyseated.Seite280MOBILITY8heelsandtires280
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