BMW Z4 2020 Owners Manual

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Flashingofthelight
Aflashingofthelightduringvehicleunlocking
servesassystemself-test.
Systemlimits
Safetyinformation
Warning
Thesystemisdesignedtooperateincertain conditionsandcircumstances.Duetocondi#jtionsorotherfactors,thesystemmaynotre#jspond.Theremaybeariskofaccidentorriskofdamagetoproperty.Activelyinterveneas
warranted.RefertotheinformationinthisOwn#j er#ssManualregardingthescopeofthesys#j
tem#ssoperationandlimitations.
Upperspeedlimit
Ifthevehiclespeedexceedsapprox.
155mph/250km/h,thesystemisdeactivated
temporarily.
Ifthevehiclespeedfallsbelowapprox.
155mph/250km/h,thesystemonceagainre#j
spondsaccordingtothesetting.
Functionallimitations
Thesystemmaynotbefullyfunctionalinthefol#j
lowingsituations:
'xWhenavehicleisapproachingataspeed
muchfasterthanyourown.'xInheavyfog,wetconditions,orsnowfall.'xIntightcurvesoronnarrowlanes.'xIfthebumperisdirty,icedup,orcovered, forinstancebystickers.'xAfterimproperlyperformedworkonthevehi#j
clepaint.'xIfcargoprotrudes.
Attachinganyobjectssuchasstickersorfilmin
thebeamareaoftheradarsensorswillalsoim#j
pactthefunctionoftheradarsensorsandmay evencausethemtofail.
ACheckControlmessageisdisplayedwhenthe
systemisnotfullyfunctional.
Displayingwarnings Dependingontheselectedwarningsettings,
e.g.,warningtime,moreorfewerwarningscan
bedisplayed.However,theremayalsobeanex#j
cessofprematurewarningsofcriticalsituations.
PostCrashmiBrake
Concept
Intheeventofanaccident,thesystemcanbring
thevehicletoahaltautomaticallywithoutinter#j
ventionbythedriverincertainsituations.This
canreducetheriskofafurthercollisionandthe
consequencesthereof.
Atstandstill Aftercomingtoahalt,thebrakeisreleasedauto#j
matically.
Hardervehiclebraking
Incertainsituations,itcanbenecessarytobring thevehicletoahaltmorequicklythantheBrakeAssistantallows.
Todothis,quicklyapplyextraforcetothebrake.
Forabriefperiod,thebrakingpressurewillbe
higherthanthebrakingpressurethatisachieved bytheautomaticbrakingfunction.Automatic
brakingisinterrupted.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrak#j
ingincertainsituations,forinstanceforaneva#j sivemaneuver.
Interruptautomaticbraking:
'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.Seite171SafetyCONTROLS171
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Fatiguealert
GeneralinformationThesystemcandetectdecreasingalertnessor
fatigueofthedriverduringlong,monotonous trips,forinstanceonhighways.Inthissituation,it
isrecommendedthatthedrivertakesabreak.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingone's
physicalstate.Anincreasinglackofalertnessor
fatiguemaynotbedetectedornotbedetected
intime.Thereisariskofaccident.Makesure
thatthedriverisrestedandalert.Adjustdriving
styletotrafficconditions.
Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscer#j
tainaspectsofthedriver'sbehavior,sothatde#j
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto
account:
'xPersonaldrivingstyle,forinstancesteering behavior.'xDrivingconditions,forinstancetime,lengthof
trip.
Startingatapprox.43mph/70km/h,thesystem isactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Adjusting Thefatiguealertisactiveautomaticallywitheachswitchingonofdrive-readystateandcanthusdisplayabreakrecommendation.
Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
ViaiDrive:1."CAR"2."Settings"3."Generalsettings"4."FatigueandFocusAlert"5.Selectthedesiredsetting:'x"Standard":thebreakrecommendationis
madewithadefinedvalue.'x"Sensitive":thebreakrecommendationis
issuedearlier.'x"Off":nobreakrecommendationismade.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,varioussettingscanbese#j
lected.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxi#j mately45minutes.
Systemlimits
Thefunctionmaybelimitedinthefollowingsit#j
uationsandmayissueanincorrectwarningorno
warningatall:
'xWhentheclockissetincorrectly.'xWhenthevehiclespeedismainlybelow
about43mph/70km/h.'xWithasportydrivingstyle,suchasduring
rapidaccelerationorwhencorneringfast.'xInactivedrivingsituations,suchaswhen
changinglanesfrequently.'xWhentheroadsurfaceispoor.'xIntheeventofstrongsidewinds.
Thesystemisresetapprox.45minutesafter parkingthevehicle,forinstanceinthecaseofa
breakduringlongertripsonhighways.
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DrivingstabilitycontrolsystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
AntilockBrakingSystem ABS
ABSpreventslockingofthewheelsduringbrak#jing.
Thevehiclemaintainsitssteeringpowereven duringfullbrakeapplications,whichincreases
theactivesafety.
ABSisoperationaleverytimeyoustarttheen#j gine.
Brakeassistant
Whenyouapplythebrakesrapidly,thissystem
automaticallybooststhevehiclebrakingcapabil#j itytothefurthestpossibleextent.Itreducesthebrakingdistancetoaminimumduringanemer#jgencystop.Thissystemutilizesallofthecapa#jbilitiesprovidedbytheAntilockBrakeSystemABS.
Donotreducethepressureonthebrakepedal forthedurationoftheemergencystop.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControlACC,
thissystemensuresthatthebrakesrespond
evenmorerapidlywhenbrakingincriticalsitua#j tions.
Drive-offassistant
Concept
Thissystemsupportsdrivingoffonuphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithoutdelay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloading,thevehicle
mayrollbackslightly.
DSCDynamicStabilityControl
Concept
Withinthephysicallimits,thesystemhelpsto
keepthevehicleonasteadycoursebyreducing
enginespeedandbybrakingtheindividual
wheels.
Generalinformation DSCdetectsthefollowingunstabledrivingcon#j
ditions,forinstance:
'xFishtailing,whichcanleadtooversteering.'xLossoftractionofthefrontwheels,which canleadtoundersteering.Seite173DrivingstabilitycontrolsystemsCONTROLS173
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Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltraf#j ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Whendrivingwitharoofload,forinstancewith
roof-mountedluggagerack,thevehicle'scen#j
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsitua#j
tions.Theremaybeariskofaccidentorriskof damagetoproperty.DonotdeactivateDSC
DynamicStabilityControlwhendrivingwith
roofload.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisre#j ducedduringaccelerationandwhendrivingin
curves.
Toincreasevehiclestability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightgoout.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisde#j
activated.
Theindicatorlightflashes:DSCcontrols
thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
malfunctioned.Seite174CONTROLSDrivingstabilitycontrolsystems174
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DTCDynamicTractionControl
Concept
DTCisaversionoftheDSCDynamicStability
Controlwhereforwardmomentumisoptimized.
Thesystemensuresmaximumheadwayonspe#jcialroadconditionsorlooseroadsurfaces,forin#j
stanceunplowedsnowyroads,butwithsome#j whatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxi#jmumtraction.Drivingstabilityislimitedduring
accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCin thefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithsnowchains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstru#j
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightgoout.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisacti#j
vated.
Automaticprogramchange
Incertainsituations,theDSCisactivatedauto#j
matically:'xIfActiveCruiseControlwithStop&Gofunc#j
tionACCisactivated.'xOnabrakinginterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
Msportdifferential
TheactiveMdifferentialprovidesforcontinu#j
ouslyvariablelockingoftherearaxledifferential
dependingonthedrivingsituation.Thisprevents
spinningofasinglerearwheelandtherebypro#j
videsoptimaltractioninanydrivingsituation.
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Thedriverisresponsibleadaptinghisorherdriv#jingstyletothesituation.
Variablesportsteering
Thevariablesportsteeringfacilitatesadirectand
agiledrivingstylewithlittlesteeringeffort.The
variablesportssteeringworksindependentlyof
thecurrentspeed,varyingthesteeringratioin
linewiththesteeringangle.
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DriverassistancesystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
SpeedLimiter
Concept
Thesystemcanbeusedtosetaspeedlimit,for instancetopreventthevehiclefromexceeding
speedlimits.
Generalinformation Thesystemcanlimitthespeed,startingata
valueof20mph/30km/h.Thevehiclecanbe drivenatanyspeedbelowthesetspeedlimit.
OverviewButtonsonthesteeringwheel
ButtonFunctionSystemon/off.Storecurrentspeed.
SpeedLimitAssist:takeoversug#j
gestedspeedmanually.Rockerswitch:
Changingthespeedlimit.Operation
Switchingon Pressthebuttononthesteeringwheel.
Thecurrentspeedisacceptedasthespeed limit.
Ifthesystemisswitchedonwhilethevehicleis stationaryordrivingatlowspeeds,
20mph/30km/hissetasthespeedlimit.
Themarkinginthespeedometerissettothe
correspondingspeed.
Whenthespeedlimitisswitchedon,DSCDy#j
namicStabilityControlandCOMFORTdriving
modemaybeswitchedonaswell.
Switchingoff Pressthebuttononthesteeringwheel.
Thesystemswitchesoffautomaticallyinthefol#j
lowingsituations,forexample:'xWhentheengineisswitchedoff.'xWhencruisecontrolisswitchedon.'xWhencertainprogramsareactivatedviathe DrivingDynamicsControl.
Thedisplaysgoout.
Interrupting Ifthereversegearisengagedoratidle,thesys#jtemisinterruptedwhenrollingbackwards.
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Changingthespeedlimit
Presstherockerswitchupordownrepeatedlyuntilthedesiredspeedlimitisset.
'xEachtimetherockerswitchispressedtotheresistancepoint,thespeedlimitincreasesor
decreasesby1mph/1km/h.'xEachtimetherockerswitchispressedpast
theresistancepoint,thedesiredspeed
changesbyamaximumof5mph/10km/h.
Ifthesetspeedlimitisreachedorunintentionally
exceeded,suchaswhendrivingdownhill,theve#j
hicleisnotactivelybraked.
Whenthespeedlimitissetduringatriptoa
valuebelowthecurrentspeed,thevehicle
coastsuntilitdropstothesetspeedlimit.
Thecurrentspeedcanalsobestoredbypress#j ingabutton:
Pressthebuttononthesteeringwheel.
Exceedingthespeedlimit Whenthevehiclespeedexceedsthesetspeedlimit,awarningisissued.
Thespeedlimitcanbeexceededintentionally.
Thereisnowarninginthiscase.
Presstheacceleratorpedalallthewaydownto
intentionallyexceedthesetspeedlimit.
Whenthevehiclespeeddropsbelowtheset
speedlimit,thelimitisautomaticallyreactivated.
Warningwhenthespeedlimitis
exceeded
Visualwarning Ifthespeedlimitisexceeded:theindica#j
torlightintheinstrumentclusterflashes
whilethevehiclespeedisgreaterthan
thesetspeedlimit.
Acousticwarning'xIfthespeedlimitisexceededunintentionally,
asignalsounds.'xWhenthespeedlimitisreducedtobelowthe
vehiclespeedwhiledriving,thesignalsounds
aftersometime.'xWhenthespeedlimitisintentionallyex#j ceededbysteppingontheacceleratorpedalallthewaydown,thereisnosignal.
Displaysintheinstrument
cluster
Displayinthespeedometer
'xGreenmarking:systemisac#j
tive.'xGreymarking:systemisinter#j
rupted.'xNomarking:systemis
switchedoff.
Indicatorlight
'xTheindicatorlightlightsup:thesys#j
temisswitchedon.'xTheindicatorlightflashes:theset
speedlimithasbeenexceeded.'xGrayindicatorlight:thesystemhasbeenin#j terrupted.Seite178CONTROLSDriverassistancesystems178
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Cruisecontrol
Concept
Usingthissystem,adesiredspeedcanbead#j justedusingthebuttonsonthesteeringwheel. Thesystemmaintainsthedesiredspeed.The
systemacceleratesandbrakesautomaticallyas
needed.
GeneralinformationThesystemcanbeactivatedstartingat20mph/30km/h.
Dependingonthevehiclesetting,thecruise
controlsettingsmaychangeundercertaincondi#j
tions.Forinstance,accelerationcanchangede#j
pendingonthedrivingmode.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltraf#j
ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Theuseofthesystemcanleadtoanincreased riskofaccidentsinthefollowingsituations,
forinstance:
'xOnwindingroads.'xInheavytraffic.'xOnslipperyroads,infog,snow,orwet
conditions,oronalooseroadsurface.
Theremaybeariskofaccidentorriskofdam#j agetoproperty.Onlyusethesystemifdriving
atconstantspeedispossible.
Warning
Thedesiredspeedcanbeincorrectlyadjusted
orcalledupbymistake.Thereisariskofacci#j
dent.Adjustthedesiredspeedtothetraffic
conditions.Watchtrafficcloselyandactivelyin#j
tervenewhereappropriate.
Overview
Buttonsonthesteeringwheel
ButtonFunctionCruisecontrolon/off.Continuecruisecontrolwiththelast
setting.Pausecruisecontrol.Storecurrentspeed.
SpeedLimitAssist:takeoversug#j
gestedspeedmanually.Rockerswitch:
Setspeed.
Switchingcruisecontrolon/off
Switchingon Dependingontheequipmentversion,presstherelevantbuttononthesteer#j
ingwheel.
Theindicatorlightsintheinstrumentclusterlight upandthemarkingonthespeedometerissetto
thecurrentspeed.
Cruisecontrolisactive.Thecurrentspeedis
maintainedandstoredasdesiredspeed.
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DSCDynamicStabilityControlisswitchedon,if
necessary.
Switchingoff Dependingontheequipmentversion,
presstherelevantbuttononthesteer#j
ingwheel.
Thedisplaysgoout.Thestoreddesiredspeedis deleted.
Pausingcruisecontrol
Interruptingmanually Whenactive,pressthebutton.
Interruptingautomatically
Thesystemisautomaticallyinterruptedinthe
followingsituations,forexample:'xWhenthedriverappliesthebrakes.'xSteptronictransmission:whenselectorlever
positionDisdisengaged.'xManualtransmission:whentheclutchpedal isdepressedforafewsecondsorreleased
whileagearisnotengaged.'xManualtransmission:whenthegearengaged
istoohighforthecurrentspeed.'xDynamicTractionControlDTCisactivatedor
DSCDynamicStabilityControlisdeactivated.'xIfDSCDynamicStabilityControlintervenes.'xWhenSPORTPLUSisactivatedwithDriving DynamicsControl.Settingthespeed
Maintainingandstoringthespeed
Presstherockerswitchupordownoncewhilethesystemisinterrupted.
Whenthesystemisswitchedon,thecurrent
speedismaintainedandstoredasthedesired
speed.
Thestoredspeedisdisplayedonthespeedom#j
eter.
DSCDynamicStabilityControlisswitchedon,if
necessary.
Thespeedcanalsobestoredbypressingabut#j
ton.
Pressthebutton.
Changingthespeed
Presstherockerswitchupordownrepeatedly untilthedesiredspeedisset.
Ifactive,thedisplayedspeedisstoredandthe
vehiclereachesthestoredspeedwhentheroad isclear.
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