BMW 3 SERIES 2019 Owners Manual

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Function
Whenthesafetybeltisfastened,thedriver'sand
passenger'sbeltstrapsareautomaticallytightj enedonceafterdrivingaway.
Inaccident-criticalsituations,thefollowingindij
vidualfunctionsbecomeactiveasneeded:'xAutomaticpretensioningofthefrontsafety
belts.'xAutomaticwindowclosinguptoanarrow gap.'xAutomaticclosingoftheglasssunroof,inj
cludingsunprotection.'xForvehiclesequippedwithcomfortseatsin
thefront:automaticpositioningofthebackj
restforthefrontpassengerseat.
Afteracriticaldrivingsituationwithoutanaccij dent,thefrontsafetybeltsareloosenedagain.
Ifthebelttensiondoesnotloosenautomatically,
stopthevehicleandunbucklethesafetybeltusj ingtheredbuttoninthebuckle.Fastenthe
safetybeltbeforecontinuingonyourtrip.
Allothersystemscanberestoredtothedesired
setting.
PostCrashmiBrake
Concept
Intheeventofanaccident,thesystemcanbring
thevehicletoahaltautomaticallywithoutinterj
ventionbythedriverincertainsituations.This
canreducetheriskofafurthercollisionandthe
consequencesthereof.
Atstandstill
Aftercomingtoahalt,thebrakeisreleasedautoj matically.
Hardervehiclebraking
Incertainsituations,itcanbenecessarytobring
thevehicletoahaltmorequicklythantheBrake Assistantallows.
Todothis,quicklyapplyextraforcetothebrake.Forabriefperiod,thebrakingpressurewillbe
higherthanthebrakingpressurethatisachieved bytheautomaticbrakingfunction.Thisinterruptsautomaticbraking.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrakj
ingincertainsituations,forinstanceforanevaj sivemaneuver.
Interruptautomaticbraking:'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.
Fatiguealert
Concept
Thesystemcandetectdecreasingalertnessor
fatigueofthedriverduringlong,monotonous trips,forinstanceonhighways.Inthissituation,it
isrecommendedthatthedrivertakesabreak.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driversspersonaljudgmentinassessingone's physicalstate.Anincreasinglackofalertnessor
fatiguemaynotbedetectedornotbedetected intime.Thereisariskofaccident.Makesure
thatthedriverisrestedandalert.Adjustdriving
styletotrafficconditions.
Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscerj
tainaspectsofthedriver'sbehavior,sothatdej
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto
account:
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'xPersonaldrivingstyle,forinstancesteeringbehavior.'xDrivingconditions,forinstancetime,lengthof
trip.
Startingatapprox.43mph/70km/h,thesystem isactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Switchingon/off,adjusting Thefatiguealertisactiveautomaticallywitheach
switchingonofdrive-readystateandcanthus displayabreakrecommendation.
Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
ViaiDrive:
1.MyVehicle2.Vehiclesettings3.Driverattentioncontrol4.Selectthedesiredsetting:'xOff:nobreakrecommendationismade.'xStandard:thebreakrecommendationis
madewithadefinedvalue.'xSensitive:thebreakrecommendationis
issuedearlier.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,varioussettingscanbesej
lected.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxij mately45minutes.
Systemlimits
Thefunctionmaybelimitedinthefollowingsitj
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-spejcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesthatarenotnecessarilyavailableinyourvehicle,forinstance,duetothe
selectedoptionsorcountryversions.Thisalso
appliestosafety-relatedfunctionsandsystems. Whenusingthesefunctionsandsystems,theapplicablelawsandregulationsmustbeobj
served.
Anti-lockBrakingSystem ABS
ABSpreventslockingofthewheelsduringbrakjing.
Thevehiclemaintainsitssteeringpowereven
duringfullbrakeapplications,thusincreasingacj tivesafety.
ABSisoperationaleverytimeyoustarttheenj gine.
Brakeassistant
Whenyouapplythebrakesrapidly,thissystem
automaticallybooststhevehiclebrakingcapabilj itytothefurthestpossibleextent.Itreducesthebrakingdistancetoaminimumduringanemerjgencystop.ThissystemutilizesallofthecapajbilitiesprovidedbytheAntilockBrakeSystemABS.
Donotreducethepressureonthebrakepedal forthedurationoftheemergencystop.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControl,this
systemensuresthatthebrakesrespondeven morerapidlywhenbrakingincriticalsituations.
Drive-offassistant
Concept
Thissystemsupportsdrivingoffonuphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithoutdelay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloadingorwhena
trailerisused,thevehiclemayrollbackslightly.
DSCDynamicStability Control
Concept
Withinthephysicallimits,thesystemhelpsto
keepthevehicleonasteadycoursebyreducing
enginespeedandbybrakingtheindividual
wheels.
Generalinformation DSCdetectsthefollowingunstabledrivingconj
ditions,forinstance:
'xFishtailing,whichcanleadtooversteering.'xLossoftractionofthefrontwheels,which canleadtoundersteering.Seite173DrivingstabilitycontrolsystemsCONTROLS173
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Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driversspersonaljudgmentinassessingthe
trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltrafj ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereapproprij
ate.
Warning
Whendrivingwitharoofload,forinstancewith
roof-mountedluggagerack,thevehicle'scenj
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsituaj
tions.Theremaybeariskofaccidentorriskof damagetoproperty.DonotdeactivateDSC
DynamicStabilityControlwhendrivingwith
roofload.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisrej ducedduringaccelerationandwhendrivingin
curves.
Toincreasevehiclestability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightgoout.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisdej
activated.
Theindicatorlightflashes:DSCcontrols
thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
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DTCDynamicTractionControl
Concept
DTCisaversionoftheDSCDynamicStability
Controlwhereforwardmomentumisoptimized.
Thesystemensuresmaximumheadwayonspejcialroadconditionsorlooseroadsurfaces,forinj
stanceunplowedsnowyroads,butwithsomej whatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxijmumtraction.Drivingstabilityislimitedduring
accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCin thefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithsnowchains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstruj
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightgoout.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisactij
vated.
Automaticprogramchange
ThesystemautomaticallyswitchestoDSCON inthefollowingsituations:'xIfActiveCruiseControlwithStop&Gofuncj
tionACCisactivated.'xOnabrakinginterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
xDrive
Concept
xDriveistheall-wheel-drivesystemofthevehij cle.TheinteractionofxDriveandDSCDynamicStabilityControlfurtheroptimizestractionand
drivingdynamics.xDrivevariablydistributesthe
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drivingforcestothefrontandrearaxlesasdejmandedbythedrivingsituationandroadsurface.
Efficient4x4
Becauseoftheneeds-baseduseoftheall- wheel-drivesystem,Efficient4x4yieldsareducj tionoftheconsumption.
Msportdifferential
TheactiveMdifferentialprovidesforcontinuj
ouslyvariablelockingoftherearaxledifferential
dependingonthedrivingsituation.Thisprevents
spinningofasinglerearwheelandtherebyproj
videsoptimaltractioninanydrivingsituation.
Thedriverisresponsibleadaptinghisorherdrivj
ingstyletothesituation.
Variablesportsteering
Thevariablesportsteeringfacilitatesadirectandagiledrivingstylewithlittlesteeringeffort.The
variablesportssteeringworksindependentlyof thecurrentspeed,varyingthesteeringratioinlinewiththesteeringangle.
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DriverassistancesystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spejcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesthatarenotnecessarilyavailableinyourvehicle,forinstance,duetothe
selectedoptionsorcountryversions.Thisalso
appliestosafety-relatedfunctionsandsystems. Whenusingthesefunctionsandsystems,theapplicablelawsandregulationsmustbeobj
served.
ManualSpeedLimiter
Concept
Thesystemcanbeusedtosetaspeedlimit,for instancetopreventthevehiclefromexceeding
speedlimits.
Generalinformation Thesystemcanlimitthespeed,startingata
valueof20mph/30km/h.Thevehiclecanbe drivenatanyspeedbelowthesetspeedlimit.
Overview
ButtonsonthesteeringwheelButtonFunctionSystemon/off.Storecurrentspeed.
SpeedLimitAssist,referto
page 189:takeoversuggested
speedmanually.Rockerswitch:
Changingthespeedlimit,referto
page 178.
Operation
Switchingon Pressthebuttononthesteeringwheel.
Thecurrentspeedisacceptedasthespeed limit.
Ifthesystemisswitchedonwhilethevehicleis stationaryordrivingatlowspeeds,
20mph/30km/hissetasthespeedlimit.
Themarkinginthespeedometerissettotherejspectivespeed.
Whenthespeedlimitisswitchedon,DSCDyj namicStabilityControlandCOMFORTdriving
modemaybeswitchedonaswell.
Switchingoff Pressthebuttononthesteeringwheel.
Thesystemswitchesoffautomaticallyinthefolj
lowingsituations,forexample:
'xWhentheengineisswitchedoff.Seite177DriverassistancesystemsCONTROLS177
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'xWhencruisecontrolisswitchedon.'xWhencertainprogramsareactivatedviatheDrivingDynamicsControl.
Thedisplaysgoout.
Interrupting Ifthereversegearisengagedoridle,thesystemisinterrupted.
Changingthespeedlimit
Presstherockerswitchupordownrepeatedly untilthedesiredspeedlimitisset.
'xEachtimetherockerswitchispressedtotheresistancepoint,thespeedlimitincreasesor
decreasesby1mph/1km/h.'xEachtimetherockerswitchispressedpast
theresistancepoint,thedesiredspeed
changesbyamaximumof5mph/10km/h.
Ifthesetspeedlimitisreachedorunintentionally
exceeded,suchaswhendrivingdownhill,thevej
hicleisnotactivelybraked.
Ifthespeedlimitissetduringatriptoavaluebej lowthecurrentspeed,thevehiclecoastsuntilitdropstothesetspeedlimit.
Thecurrentspeedcanalsobestoredbypressj
ingabutton:
Pressthebuttononthesteeringwheel.
Exceedingthespeedlimit Ifthevehiclespeedexceedsthesetspeedlimit,awarningisissued.
Thespeedlimitcanbeexceededintentionally.
Thereisnowarninginthiscase.
Presstheacceleratorpedalallthewaydownto
intentionallyexceedthesetspeedlimit.
Whenthevehiclespeeddropsbelowtheset speedlimit,thelimitisautomaticallyreactivated.
Warningwhenthespeedlimitis
exceeded
Visualwarning Ifthespeedlimitisexceeded:theindicaj
torlightintheinstrumentclusterflashes whilethevehiclespeedisgreaterthan
thesetspeedlimit.
Acousticwarning'xIfthespeedlimitisexceededunintentionally,
asignalsounds.'xIfthespeedlimitisreducedtobelowthevej
hiclespeedwhiledriving,thesignalsounds
aftersometime.'xIfthespeedlimitisintentionallyexceededby steppingontheacceleratorpedalalltheway
down,thereisnosignal.
Displaysintheinstrument
cluster
Displayinthespeedometer
'xGreenmarking:systemisacj
tive.'xMarkingisorange/white:the
systemhasbeeninterrupted.'xNomarking:systemis
switchedoff.
Indicatorlight
'xTheindicatorlightlightsup:thesysj
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'xTheindicatorlightflashes:thesetspeedlimit
hasbeenexceeded.'xGrayindicatorlight:thesystemhasbeeninj terrupted.
Statusdisplay
Withtheproperequipment,thevalueofthe
speedlimitsettingisbrieflydisplayeddigitally.
Cruisecontrol
Concept
Usingthissystem,adesiredspeedcanbeadj
justedusingthebuttonsonthesteeringwheel. Thesystemmaintainsthedesiredspeed.The
systemacceleratesandbrakesautomaticallyas
needed.
GeneralinformationDependingonthevehiclesetting,thecruise
controlsettingsmaychangeundercertaincondij
tions.Forinstance,accelerationcanchangedejpendingonthedrivingmode.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe driversspersonaljudgmentinassessingthe trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltrafj ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic closelyandactivelyintervenewhereapproprij
ate.
Warning
Theuseofthesystemcanleadtoanincreased riskofaccidentsinthefollowingsituations,
forinstance:
'xOnwindingroads.'xInheavytraffic.'xOnslipperyroads,infog,snow,orwet conditions,oronalooseroadsurface.
Theremaybeariskofaccidentorriskofdamjagetoproperty.Onlyusethesystemifdriving
atconstantspeedispossible.
Warning
Thedesiredspeedcanbeincorrectlyadjusted orcalledupbymistake.Thereisariskofaccij
dent.Adjustthedesiredspeedtothetraffic
conditions.Watchtrafficcloselyandactivelyinj
tervenewhereappropriate.
Overview
Buttonsonthesteeringwheel
ButtonFunctionCruisecontrolon/off,referto
page 179.Pausecruisecontrol,referto
page 180.Continuecruisecontrolwiththelast
setting,refertopage 181.Storespeed,refertopage 180.
SpeedLimitAssist,referto
page 189:takeoversuggested
speedmanually.Rockerswitch:
Setspeed,refertopage 180.
Switchingcruisecontrolon/off
Switchingon Pressthebuttononthesteeringwheel.
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Theindicatorlightsintheinstrumentclusterlightupandthemarkinthespeedometerissettothecurrentspeed.
Cruisecontrolisactive.Thecurrentspeedis
maintainedandstoredasdesiredspeed.
DSCDynamicStabilityControlisswitchedon,if
necessary.
Switchingoff Pressthebuttononthesteeringwheel.
Thedisplaysgoout.Thestoreddesiredspeedis deleted.
Pausingcruisecontrol
Interruptingmanually Whenactive,pressthebutton.
Interruptingautomatically
Thesystemisautomaticallyinterruptedinthe
followingsituations,forexample:'xWhenthedriverappliesthebrakes.'xSteptronictransmission:whenselectorlever
positionDisdisengaged.'xDynamicTractionControlDTCisactivatedor
DSCDynamicStabilityControlisdeactivated.'xIfDSCDynamicStabilityControlintervenes.'xWhenSPORTPLUSisactivatedwithDriving DynamicsControl.Settingthespeed
Maintainingandstoringthespeed
Presstherockerswitchupordownoncewhilethesystemisinterrupted.
Whenthesystemisswitchedon,thecurrent
speedismaintainedandstoredasthedesired
speed.
Thestoredspeedisdisplayed,referto
page 181,inthespeedometerandbrieflyinthe
instrumentcluster.
DSCDynamicStabilityControlisswitchedon,if necessary.
Thespeedcanalsobestoredbypressingabutj
ton.
Pressthebutton.
Changingthespeed
Presstherockerswitchupordownrepeatedly untilthedesiredspeedisset.
Ifactive,thedisplayedspeedisstoredandthe
vehiclereachesthestoredspeedwhentheroad isclear.
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