BMW 8 SERIES CONVERTIBLE 2019 Owners Manual

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causeseriousdamagetowheels,tiresandsusj
pensionparts.Thisismorelikelytooccurwith low-profiletires,whichprovidelesscushioning
betweenthewheelandtheroad.Becarefulto
avoidroadhazardsandreduceyourspeed,esj
peciallyifyourvehicleisequippedwithlow-proj filetires.
Indicationsoftiredamageorothervehiclemalj
functions:'xUnusualvibrations.'xUnusualtireorrunningnoises.'xUnusualhandlingsuchasastrongtendency
topulltotheleftorright.
Damagecanbecausedbythefollowingsituaj
tions,forinstance:
'xDrivingovercurbs.'xRoaddamage.'xTireinflationpressuretoolow.'xVehicleoverloading.'xIncorrecttirestorage.
Safetyinformation
Warning
Damagedtirescanlosetireinflationpressure,
whichcanleadtolossofvehiclecontrol.There isariskofaccident.Iftiredamageissuspected
whiledriving,immediatelyreducespeedand
stop.Havewheelsandtireschecked.Forthis
purpose,drivecarefullytothenearestdealerss
servicecenteroranotherqualifiedservicecenj
terorrepairshop.Havevehicletowedortransj portedasneeded.Donotrepairdamagedtires,
buthavethemreplaced.
Warning
Tirescanbecomedamagedbydrivingoverobj
stacles,e.g.,curbsorroaddamage,athigh
speed.Largerwheelshaveasmallertirecross- section.Thesmallerthetirecross-section,the
highertheriskoftiredamage.Thereisadanj
gerofaccidentsandpropertydamage.Ifpossij
ble,avoiddrivingoverobjectsorroadcondij
tionsthatmaydamagetires,ordriveoverthem
slowlyandcarefully.
Changingwheelsandtires
Mountingandwheelbalancing Havemountingandwheelbalancingcarriedoutbyadealerssservicecenteroranotherqualifiedservicecenterorrepairshop.
Wheelandtirecombination
Generalinformation Youcanaskthedealer'sservicecenteroranjotherqualifiedservicecenterorrepairshopaboutthecorrectwheel/tirecombinationandwheelrimversionsforthevehicle.
Safetyinformation
Warning
Wheelsandtireswhicharenotsuitableforyour
vehiclecandamagepartsofthevehicle,forinj stanceduetocontactwiththebodyduetotolj
erancesdespitethesameofficialsizerating.
Thereisariskofanaccident.Themanufacj turerofyourvehiclestronglysuggeststhatyou
usewheelsandtiresthathavebeenrecomj mendedbythevehiclemanufacturerforyour
vehicletype.
Warning
Mountedsteelwheelscancausetechnical
problems,forinstanceindependentloosening
ofthelugbolts,damagetothebrakediscs.
Thereisariskofaccident.Donotmountsteel wheels.
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Warning
Incorrectwheel/tirecombinationswillhavea negativeimpactonthevehicle'shandlingand
onthefunctionofavarietyofsystems,suchas
theAnti-lockBrakeSystemorDynamicStabilj ityControl.Thereisariskofaccident.Tomainjtaingoodhandlingandvehicleresponse,use
onlytireswithasingletreadconfigurationfrom asinglemanufacturer.Themanufacturerofthe
vehiclerecommendsthatyouusewheelsand
tiresthathavebeenrecommendedbythevehij
clemanufacturerforyourvehicletype.Followj
ingtiredamage,havetheoriginalwheel/tire
combinationremountedonthevehicleassoon
aspossible.
Recommendedtirebrands
Foreachtiresize,themanufacturerofthevehij clerecommendscertaintirebrands.Thetire
brandscanbeidentifiedbyastaronthetire
sidewall.
Newtires Tiretractionisnotoptimalduetomanufacturing
circumstanceswhentiresarebrand-new;they achievetheirfulltractionpotentialafterabreak-intime.
Driveconservativelyforthefirst
200miles/300km.
Retreadedtires
Warning
Retreadedtirescanhavedifferenttirecasing structures.Withadvancedagetheservicelife
canbelimited.Thereisariskofanaccident.
Themanufacturerofyourvehicledoesnotrecj
ommendtheuseofretreadedtires.
Themanufacturerofthevehicledoesnotrecj ommendtheuseofretreadedtires.
Wintertires Generalinformation Wintertiresarerecommendedforoperatingon
winterroads.
Althoughso-calledall-seasonM+Stiresprovide betterwintertractionthansummertires,they
usuallydonotprovidethesamelevelofperformj
anceaswintertires.
Maximumspeedofwintertires Ifthemaximumspeedofthevehicleishigher
thanthepermissiblespeedforthewintertires,
thenattachalabelshowingthepermissiblemaxij
mumspeedinthefieldofview.Thelabelisavailj ablefromadealer'sservicecenteroranother
qualifiedservicecenterorrepairshop.
Withwintertiresmounted,observeanddonot
exceedthepermissiblemaximumspeed.
Changingrunflattires Foryourownsafety,useonlyrunflattires.Nosparetireisavailableinthecaseofaflattire.Furj
therinformationisavailablefromadealer'sservj icecenteroranotherqualifiedservicecenteror
repairshop.
Rotatingwheelsbetweenaxles
Swappingthefrontwheelswiththerearwheels
orviceversaisnotpermittedonvehicleswith
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differenttireorrimdimensionsonthefrontand
rearaxles.
Storingtires
Tireinflationpressure Donotexceedthemaximumtireinflationpresj
sureindicatedonthesidewallofthetire.
Storage
Storewheelsandtiresinacool,dryanddark
place.
Alwaysprotecttiresagainstallcontactwithoil,
grease,andsolvents.
Donotleavetiresinplasticbags.
Removedirtfromwheelsortires.
Run-flattires
Concept
Run-flattirespermitcontinueddrivingunderrej
strictedconditionsevenintheeventofacomj
pletelossoftireinflationpressure.
Generalinformation Thewheelsconsistoftiresthatareself-supportj
ing,toalimiteddegree,andpossiblyspecial
rims.
Thesupportofthesidewallallowsthetiretorej maindrivabletoarestricteddegreeintheevent
ofatireinflationpressureloss.
Followtheinstructionsforcontinueddrivingwith
aflattire.
Safetyinformation
Warning
Yourvehiclehandlesdifferentlywitharun-flat
tirewithnoorlowinflationpressure;forinj stance,yourlanestabilitywhenbrakingisrej
duced,brakingdistancesarelongerandthe
self-steeringpropertieswillchange.Thereisa
riskofaccident.Drivemoderatelyanddonot
exceedaspeedof50mph/80km/h.
Label
Thetiresaremarkedonthetiresidewallwith
RSCRun-flatSystemComponent.
Repairingaflattire
Safetymeasures
'xParkthevehicleasfarawayaspossiblefrom
passingtrafficandonsolidground.'xSwitchonthehazardwarningsystem.'xSecurethevehicleagainstrollingawayby
settingtheparkingbrake.'xTurnthesteeringwheeluntilthefrontwheels areinthestraight-aheadpositionandengage
thesteeringwheellock.'xHaveallvehicleoccupantsgetoutofthevej
hicleandensurethattheyremainoutsidethe immediateareainasafeplace,suchasbej
hindaguardrail.'xIfnecessary,setupawarningtriangleatan
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MobilitySystem
Concept
WiththeMobilitySystem,minortiredamagecan besealedtemporarilytoenablecontinuedtravel.Toaccomplishthis,sealantispumpedintothetires,whichsealsthedamagefromtheinside.
Generalinformation
'xFollowtheinstructionsonusingtheMobility
Systemfoundonthecompressorandsealant container.'xUseoftheMobilitySystemmaybeineffecj
tiveifthetirepuncturemeasuresapprox.
1/8inches/4mmormore.'xContactadealer'sservicecenteroranother qualifiedservicecenterorrepairshopifthetirecannotbemadedrivable.'xIfpossible,donotremoveforeignbodiesthathavepenetratedthetire.Onlyremoveforeignobjectsiftheyarevisiblyprotrudingfromthe
tire.'xPullthespeedlimitstickeroffthesealant
containerandapplyittothesteeringwheel.'xTheuseofasealantcandamagetheTPM wheelelectronics.Inthiscase,havetheelecj
tronicscheckedandreplacedatthenextopj portunity.'xThecompressorcanbeusedtocheckthe
tireinflationpressure.Overview
Storage
TheMobilitySystemisintheleftstoragecomj
partmentofthecargoarea.
Sealantcontainer
'xSealantcontainer,arrow1.'xFillinghose,arrow2.
Observeuse-bydateonthesealantcontainer.
Compressor
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3Tirepressuregage4Reducetireinflationpressurebutton5On/offswitch6Compressor7Connector/cableforsocket8Connectionhose
Safetymeasures
'xParkthevehicleasfarawayaspossiblefrom
passingtrafficandonsolidground.'xSwitchonthehazardwarningsystem.'xSecurethevehicleagainstrollingawayby
settingtheparkingbrake.'xTurnthesteeringwheeluntilthefrontwheels areinthestraight-aheadpositionandengage
thesteeringwheellock.'xHaveallvehicleoccupantsgetoutofthevej
hicleandensurethattheyremainoutsidethe immediateareainasafeplace,suchasbej
hindaguardrail.'xIfnecessary,setupawarningtriangleatan
appropriatedistance.
Fillingthetirewithsealant
Safetyinformation
DANGER
Iftheexhaustpipeisblockedorventilationisinj
sufficient,harmfulexhaustgasescanenterinto thevehicle.Theexhaustgasescontainpollujtantswhicharecolorlessandodorless.Inenj
closedareas,exhaustgasescanalsoaccumuj
lateoutsideofthevehicle.Thereisdangerto
life.Keeptheexhaustpipefreeandensuresufj
ficientventilation.
NOTICE
Thecompressorcanoverheatduringextended operation.Thereisariskofdamagetopropj
erty.Donotrunthecompressorformorethan
10minutes.
Filling
1.Shakethesealantcontainer.2.Pullfillinghosecompletelyoutofthecoverof thesealantcontainer.Donotkinkthehose.3.Slidethesealantcontainerintotheholderon
thecompressorhousing,ensuringthatitenj
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4.Screwthefillinghoseofthesealantcontainerontothetirevalveofthenonworkingwheel.5.Withthecompressorswitchedoff,insertthe
plugintothepowersocketinsidethevehicle.6.Withstandbystateswitchedonortheengine running,switchonthecompressor.
Letthecompressorrunformax.10minutestofill
thetirewithsealantandachieveatireinflation pressureofapprox.2.0bar.
Whilethetireisbeingfilledwithsealant,thetire
inflationpressuremaysporadicallyreachapprox.
5bar.Donotswitchoffthecompressoratthis point.
Checkingandadjustingthetire
inflationpressure
Checking1.Switchoffthecompressor.2.Readthetireinflationpressureonthetirepressuregage.
Tocontinuethetrip,atireinflationpressureofatleast2barmustbereached.
Removingandstowingthesealant
container
1.Unscrewthefillinghoseofthesealantconj tainerfromthetirevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecomjpressor.4.Wrapandstorethesealantcontainerinsuitaj
blematerialtoavoiddirtyingthecargoarea.
Minimumtireinflationpressureis
notreached
1.Pulltheconnectoroutofthepowersocket insidethevehicle.2.Drive33ft/10mforwardandbacktodistribjutethesealantinthetire.3.Screwtheconnectionhoseofthecompresj
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4.Inserttheconnectorintothepowersocketinj
sidethevehicle.5.Withstandbystateswitchedonortheengine running,switchonthecompressor.
Ifatireinflationpressureofatleast2barcanj
notbereached,contactyourdealer'sservice
centeroranotherqualifiedservicecenteror
repairshop.
Ifatireinflationpressureofatleast2baris
reached,seeMinimumtireinflationpressure
isreached.6.Unscrewtheconnectionhoseofthecomj pressorfromthetirevalve.7.Pulltheconnectoroutofthepowersocketinsidethevehicle.8.StowtheMobilitySysteminthevehicle.
Minimumtireinflationpressureis
reached
1.Unscrewtheconnectionhoseofthecomj pressorfromthetirevalve.2.Pulltheconnectoroutofthepowersocketinsidethevehicle.3.StowtheMobilitySysteminthevehicle.4.Immediatelydriveapprox.5miles/10kmtoensurethatthesealantisevenlydistributedin
thetire.
Donotexceedaspeedof50mph/80km/h. Ifpossible,donotdriveatspeedslessthan 12mph/20km/h.Adjustment1.Stopatasuitablelocation.2.Screwtheconnectionhoseofthecompresj
sordirectlyontothetirevalvestem.3.Inserttheconnectorintothepowersocketinj
sidethevehicle.4.Correctthetireinflationpressuretoatleast
2.0bar.'xIncreasetireinflationpressure:with
standbystateswitchedonortheengine running,switchonthecompressor.'xReducetireinflationpressure:pressthe
buttononthecompressor.5.Unscrewtheconnectionhoseofthecomj pressorfromthetirevalve.6.Pulltheconnectoroutofthepowersocketinsidethevehicle.7.StowtheMobilitySysteminthevehicle.
Continuingthetrip
Donotexceedthemaximumpermissiblespeedof50mph/80km/h.
Reinitializetherun-flattires,refertopage 316.
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ResettheTirePressureMonitorTPM,referto
page 309.
Replacethenonworkingtireandthesealantconj taineroftheMobilitySystempromptly.
Snowchains
Safetyinformation
Warning
Withthemountingofsnowchainsonunsuitaj bletires,thesnowchainscancomeintoconj
tactwithvehicleparts.Theremaybeariskof
accidentorriskofdamagetoproperty.Only
mountsnowchainsontiresthataredesignated
bytheirmanufacturerassuitablefortheuseof
snowchains.
Warning
Insufficientlytightsnowchainsmaydamage tiresandvehiclecomponents.Theremaybea riskofaccidentorriskofdamagetoproperty.
Makesurethatthesnowchainsarealwayssufj ficientlytight.Re-tightenasneededaccording
tothesnowchainmanufacturer'sinstructions.
Fine-linksnowchains
Themanufacturerofthevehiclerecommends
theuseoffine-linksnowchains.Certaintypesof
fine-linksnowchainshavebeentestedbythe
manufacturerofthevehicleandrecommended
asroad-safeandsuitable.
Informationregardingsuitablesnowchainsis
availablefromadealerssservicecenteroranj
otherqualifiedservicecenterorrepairshop.
Use
Useonlyinpairsontherearwheels,equipped
withthetiresofthefollowingsize:
'x245/45R18.'x245/40R19.
Followthesnowchainmanufacturer'sinstrucj tions.
DonotinitializetheFlatTireMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
DonotresettheTirePressureMonitorTPMafj termountingsnowchains,asdoingsomayrejsultinincorrectreadings.
Whendrivingwithsnowchains,brieflyactivate
DynamicTractionControlDTCtooptimizethe
forwardmomentum.
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
Therearaxlesteeringisswitchedoffbyspecifyj
ingthatsnowchainsareinstalled.
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ViaiDrive:1.CAR2.Settings3.Generalsettings4.Tirechains5.Snowchainsinstalled
Startingwiththepermissiblemaximumspeed
withsnowchainsof30mph/50km/htherear axlesteeringwillbeswitchedonagainautomatij
cally.
TirePressureMonitorTPM
Concept
Thesystemmonitorstireinflationpressureinthe
fourmountedtires.Thesystemwarnsyouif thereisalossofpressureinoneormoretires.
GeneralinformationSensorsinthetirevalvesmeasurethetireinflaj
tionpressureandtiretemperature.
UsingthetiresettingsiniDrive,thesystemcan
automaticallydisplaythespecifiedtargetpresj
suresandcomparethemwiththeactualtireinj
flationpressures.
Iftiresarebeingusedthatarenotspecifiedon thetireinflationpressuredetailsonthevehicle,
refertopage 296,suchastireswithspecialapj
proval,thesystemneedstobeactivelyreset. Thesystemwillthentakeovertheactualtireinjflationpressuresasthetargetpressures.
Whenoperatingthesystem,alsonotetheaddij
tionalinformationfoundintheTireinflationpresj sure,refertopage 296,chapter.
Safetyinformation
Warning
Thedisplayofthetargetpressuresisnota substituteforthetireinflationpressuredetails
onthevehicle.Incorrectentriesinthetiresetj
tingscanleadtoincorrecttargettireinflation
pressurevalues.Inthiscase,itcannotbeguarj
anteedthatthenotificationofalossoftireinflaj tionpressurewillbereliable.Thereisariskof
injuryandriskofdamagetoproperty.Ensure
thatthetiresizesofthemountedtiresaredisj
playedcorrectlyandmatchthedetailsonthe
tiresandonthevehicle.
Functionalrequirements
Thefollowingconditionsmustbemetforthe
system;otherwise,reliableflaggingofalossof
tireinflationpressureisnotassured:
'xEverytimeatireorwheelischanged,the
correctdetailsonthemountedtiresmustbe enteredinthetiresettings,referto
page 309.'xFortireswithspecialapproval:'xAfteratireorwheelreplacement,areset
wasperformedwiththecorrecttireinflaj
tionpressure.'xAfterthetireinflationpressurewasadj
justedtoanewvalue,aresetwasperj formed.'xWheelswithTPMwheelelectronics.
Tiresettings
Generalinformation Thetiresizesofthemountedtirescanbegathj
eredfromthetireinflationpressuredetailsonthe vehicle,refertopage 296,ordirectlyonthetires.
Thetiredetailsdonotneedtobere-entered whenthetireinflationpressureiscorrected.
Forsummerandwintertires,thetiredetailsenj
teredlastarestored.Afteratireorwheelrej
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placement,thesettingsofthetiresetsusedlast
canbeselected.
Openingthemenu ViaiDrive:1.CAR2.Vehiclestatus3.TirePressureMonitor
Changingsettings ViaiDrive:
1.Tiresettings2.Tireselection3.Manual4.'xSummertires'xWinter/all-year5.Selectthetiretypethatismountedonthe
rearaxle:'xTiresize,e.g.,245/45R1896Y.'xFortireswithspecialapproval:Othertire6.Selectthemaximumroadspeedthatwillbe
usedwiththetires.7.Savetiresettings
Themeasurementofthecurrenttireinflation
pressureisstarted.Themeasurementprogress
isdisplayed.
Statusdisplay CurrentstatusThesystemstatuscanbedisplayedontheConj
trolDisplay,e.g.,whetherornotthesystemisacj tive.
ViaiDrive:
1.CAR2.Vehiclestatus3.TirePressureMonitor
Thecurrentstatusisdisplayed.
Currenttireinflationpressure Thecurrenttireinflationpressureisdisplayedfor
eachtire.
Thecurrenttireinflationpressuresmaychange duringdrivingoperationordependingontheexjternaltemperature.
Currenttiretemperature Dependingonthemodel,thecurrenttiretemj
peraturesaredisplayed.
Thecurrenttiretemperaturesmaychangewhile
drivingorduetotheexternaltemperature.
Targetpressure Thetargetpressureforthetiresonthefrontand
rearaxlesisdisplayed.
Thetargetpressuresarevaluesstoredinthevej
hicle.
Thespecifiedtargetpressurestaketheinfluence ofdrivingoperationandexternaltemperatureon thetiretemperatureintoaccount.Theapproprij
atetargetpressureisalwaysdisplayed,indej pendentoftheweathersituation,tiretemperajturesanddrivingtimes.
Thedisplayedtargetpressuremaychangeand
maydifferfromthetireinflationpressuredetails onthedoorpillarofthedriver'sdoor.Thetireinjflationpressurecanthusbecorrectedtothe
valueofthedisplayedtargetpressures.
Thetargetpressureisimmediatelyadjustedif
thevehicleloadischangedinthetiresettings.
Tireconditions Generalinformation
Tireandsystemstatusareindicatedbythecolor
ofthewheelsandaSMStextmessageonthe
ControlDisplay.
Anyexistingmessagesmaynotbedeletedifthe
displayedtargetpressureisnotreachedafterthe tireinflationpressureiscorrected.Seite310MOBILITY8heelsandtires310
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