BMW X7 2021 Owners Manual

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2.Pullfillinghosecompletelyoutofthecoverofthesealantcontainer.Donotkinkthehose.3.Slidethesealantcontainerintotheholderon
thecompressorhousing,ensuringthatiten#j
gagesaudibly.4.Screwthefillinghoseofthesealantcontainer ontothetirevalveofthenonworkingwheel.5.Withthecompressorswitchedoff,insertthe
connectorintothepowersocketinthevehi#j
cleinterior.6.Withstandbystateordrive-readystate
switchedon,switchonthecompressor.
Letthecompressorrunformax.10minutestofill
thetirewithsealantandachieveatireinflation pressureofapprox.2.0bar.
Whilethetireisbeingfilledwithsealant,thetire
inflationpressuremaysporadicallyreachapprox.
5bar.Donotswitchoffthecompressoratthis point.
Checkingandadjustingthetire
inflationpressure
Checking
1.Switchoffthecompressor.2.Readthetireinflationpressureonthetirepressuregage.
Tocontinuethetrip,atireinflationpressureofatleast2barmustbereached.
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Removingandstowingthesealant
container1.Unscrewthefillinghoseofthesealantcon#j tainerfromthetirevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecom#jpressor.4.Wrapandstorethesealantcontainerinsuita#j
blematerialtoavoiddirtyingthecargoarea.
Minimumtireinflationpressureis
notreached
1.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.2.Drive33ft/10mforwardandbacktodistrib#j utethesealantinthetire.3.Screwtheconnectionhoseofthecompres#j
sordirectlyontothetirevalvestem.4.Inserttheconnectorintothepowersocketin thevehicleinterior.5.Withstandbystateordrive-readystate
switchedon,switchonthecompressor.
Whenthetirepressuredoesnotreachat
least2bar,contactamanufacturerservicecenteroranotherqualifiedservicecenteror
repairshop.
Whenatirepressureofatleast2baris
reached,seeMinimumtireinflationpressure
isreached.6.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.7.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.8.StowtheMobilitySysteminthevehicle.
Minimumtireinflationpressureis
reached
1.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.2.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.3.StowtheMobilitySysteminthevehicle.4.Immediatelydriveapprox.5miles/10kmto ensurethatthesealantisevenlydistributedin
thetire.
Donotexceedaspeedof50mph/80km/h. Ifpossible,donotdriveatspeedslessthan 12mph/20km/h.
Adjustment
1.Stopatasuitablelocation.2.Screwtheconnectionhoseofthecompres#j
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3.Inserttheconnectorintothepowersocketinthevehicleinterior.4.Correctthetireinflationpressuretoatleast
2.0bar:'xIncreasetireinflationpressure:with
standbystateordrive-readystate
switchedon,switchonthecompressor.'xReducetireinflationpressure:pressthe
buttononthecompressor.5.Unscrewtheconnectionhoseofthecom#j pressorfromthetirevalve.6.Pulltheconnectoroutofthepowersocketin
thevehicleinterior.7.StowtheMobilitySysteminthevehicle.
Continuingthetrip
Donotexceedthemaximumpermissiblespeedof50mph/80km/h.
ReinitializetheFlatTireMonitor.
ResettheTirePressureMonitoragain.
Replacethenonworkingtireandthesealantcon#j
taineroftheMobilitySystempromptly.
Additionalinformation:
'xRun-flattires,refertopage 381.'xTirepressuremonitor,refertopage 374.Snowchains
Safetyinformation
Warning
Withthemountingofsnowchainsonunsuita#j bletires,thesnowchainscancomeintocon#j
tactwithvehicleparts.Theremaybeariskof
accidentorriskofdamagetoproperty.Only
mountsnowchainsontiresthataredesignated
bytheirmanufacturerassuitablefortheuseof
snowchains.
Warning
Insufficientlytightsnowchainsmaydamage
tiresandvehiclecomponents.Theremaybea
riskofaccidentorriskofdamagetoproperty.
Makesurethatthesnowchainsarealwayssuf#j ficientlytight.Re-tightenasneededaccording
tothesnowchainmanufacturer'sinstructions.
Fine-linksnowchains
Themanufacturerofthevehiclerecommends
theuseoffine-linksnowchains.Certaintypesof
fine-linksnowchainshavebeentestedbythe
manufacturerofthevehicleandrecommended
asroad-safeandsuitable.
Informationregardingsuitablesnowchainsis
availablefromadealer#ssservicecenteroran#j
otherqualifiedservicecenterorrepairshop.
Use Useonlyinpairsontherearwheels,equipped
withthetiresofthefollowingsize:
'x255/55R20.
Followthesnowchainmanufacturer'sinstruc#j tions.
DonotinitializetheFlatTireMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
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DonotresettheTirePressureMonitorafter
mountingsnowchains,asdoingsomayresultin incorrectreadings.
Whendrivingwithsnowchains,brieflyactivate
DynamicTractionControlDTCtooptimizethe
drivepower.
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
Therearaxlesteeringisswitchedoffbyspecify#j
ingthatsnowchainsareinstalled.
1."CAR"2."Settings"3."Generalsettings"4."Tirechains"5."Snowchainsinstalled"
Startingwiththepermissiblemaximumspeed
withsnowchainsof30mph/50km/htherear
axlesteeringwillbeswitchedonagainautomati#j
cally.
Tirepressuremonitor
Concept Thesystemmonitorstireinflationpressureinthefourmountedtires.Thesystemwarnsyouif thereisalossofpressureinoneormoretires.
Generalinformation Sensorsinthetirevalvesmeasurethetireinfla#jtionpressureandtiretemperature.
UsingthetiresettingsiniDrive,thesystemcan
automaticallycomparethespecifiedtargetpres#j
sureswiththeactualtireinflationpressures.
Iftiresarebeingusedthatarenotspecifiedon thetireinflationpressuredetailsonthevehicle,
suchastireswithspecialapproval,thesystem
needstobeactivelyreset.Thesystemwillthen
takeovertheactualtireinflationpressuresasthe
targetpressures.
Whenoperatingthesystem,alsonotetheinfor#j mationfoundintheTireinflationpressurechap#j
ter.
Additionalinformation:
Tireinflationpressure,refertopage 360.
Safetyinformation
Warning
Thedisplayofthetargetpressuresisnota
substituteforthetireinflationpressuredetails onthevehicle.Incorrectentriesinthetireset#jtingscanleadtoincorrecttargettireinflation
pressurevalues.Inthiscase,itcannotbeguar#j anteedthatthenotificationofalossoftireinfla#jtionpressurewillbereliable.Thereisariskof
injuryandriskofdamagetoproperty.Ensure
thatthetiresizesofthemountedtiresaredis#j
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playedcorrectlyandmatchthedetailsonthe
tiresandonthevehicle.
Functionalrequirements Thefollowingconditionsmustbemetforthe
system;otherwise,reliableflaggingofalossof
tireinflationpressureisnotassured:'xEverytimeatireorwheelischanged,the
correctdetailsonthemountedtiresmustbe enteredinthetiresettings.'xTheTirePressureMonitordoesnotactivate
untilafterdrivingforafewminutes:'xAfteratireorwheelreplacement.'xAfterareset,fortireswithspecialappro#j val.'xAfterchangingthetiresetting.'xFortireswithspecialapproval:'xAfteratireorwheelreplacement,aresetwasperformedwiththecorrecttireinfla#j
tionpressure.'xAfterthetireinflationpressurewasad#j
justedtoanewvalue,aresetwasper#j formed.'xWheelswithwheelelectronics.
Tiresettings
Generalinformation Thetiresizesofthemountedtirescanbegath#j
eredfromthetireinflationpressuredetailsonthe vehicleordirectlyonthetires.
Thetiredetailsdonotneedtobere-entered whenthetireinflationpressureiscorrected.
Forsummerandwintertires,thetiredetailsen#j
teredlastarestored.Afteratireorwheelre#j
placement,thesettingsofthetiresetsusedlast
canbeselected.
Changingsettings
1."CAR"2."Vehiclestatus"3."TirePressureMonitor"4."Tiresettings"5."Tireselection"6."Manual"7."Tiretype"'x"Summer"'x"Winter/All-year"8.Selectthetiretypethatismountedonthe
rearaxle.
Fortireswithspecialapproval:
"Othertires".
Observefurtherproceedingintheperforma
resetsection.9.Selectthemaximumroadspeedthatwillbe
usedwiththetires.10."Savetiresettings"
Themeasurementofthecurrenttireinflation
pressureisstarted.Themeasurementprogress
isdisplayed.
Statusdisplay CurrentstatusThesystemstatuscanbedisplayedontheCon#j
trolDisplay,e.g.,whetherornotthesystemisac#j tive.
1."CAR"2."Vehiclestatus"3."TirePressureMonitor"
Thecurrentstatusisdisplayed.
Currenttireinflationpressure Thecurrenttireinflationpressureisdisplayedfor
eachtire.
Thecurrenttireinflationpressuresmaychange duringdrivingoperationordependingontheex#jternaltemperature.
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CurrenttiretemperatureDependingonthemodel,thecurrenttiretem#jperaturesaredisplayed.
Thecurrenttiretemperaturesmaychangewhile drivingorduetotheexternaltemperature.
Targetpressure Thetargetpressureforthetiresonthefrontand
rearaxlesisdisplayed.
Thespecifiedtargetpressurestaketheinfluence
ofdrivingoperationandexternaltemperatureon
thetiretemperatureintoaccount.Theappropri#j
atetargetpressureisalwaysdisplayed,inde#j
pendentoftheweathersituation,tiretempera#j
turesandtraveltimes.
Thedisplayedtargetpressuremaychangeand
maydifferfromthetireinflationpressuredetails
onthedoorpillarofthedriver'sdoor.Thetirein#j
flationpressurecanthusbecorrectedtothe
valueofthedisplayedtargetpressures.
Thetargetpressureisimmediatelyadjustedif
thevehicleloadischangedinthetiresettings.
Tireconditions Generalinformation
Tireandsystemstatusareindicatedbythecolor
ofthewheelsandatextmessageontheControl
Display.
Anyexistingmessagesmaynotbedeletedifthe
targetpressureisnotreachedafterthetireinfla#j tionpressureiscorrected.
Allwheelsgreen'xThesystemisactiveandbaseswarningsonthetargetpressures.'xFortireswithspecialapproval:thesystemisactiveandbaseswarningsonthetireinflation
pressuresstoredduringthelastreset.
Onetofouryellowwheels
Aflattireormajordropinthetireinflationpres#j
surehasoccurredintheindicatedtires.
Graywheels
Itmaynotbepossibletoidentifytireinflation
pressurelosses.
Possiblecauses:'xMalfunction.'xDuringtireinflationpressuremeasurement, afterconfirmationofthetiresettings.'xFortireswithspecialapproval:aresetisper#jformedforthesystem.
Fortireswithspecialapproval:
performareset
1."CAR"2."Vehiclestatus"3."TirePressureMonitor"4.Makesurethatcorrecttiresettingshave beenmade.
Tiresettings,refertopage 375.5.Switchondrive-readystateanddonotdrive
off.6.Resettireinflationpressure:"Performreset".7.Driveaway.
Thewheelsaredisplayedingrayandthefollow#j
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Safetyinformation
Warning
Adamagedregulartirewithlowormissingtire inflationpressureimpactshandling,suchas
steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof accident.Donotcontinuedrivingifthevehicleisequippedwithnormaltires.Followtheinfor#jmationonrun-flattiresandcontinueddriving
withthesetires.
Ifatireinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageap#j
pearsontheControlDisplay.
SymbolPossiblecauseInflationwasnotcarriedoutaccord#j
ingtospecifications,forinstance
whenthetirehasnotbeensuffi#j
cientlyinflatedorinthecaseofa
naturalsteadytirepressureloss.
Measure
Checkthetirepressureandcorrectasneeded.
Ifthetireinflationpressureistoo
low
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwithaCheckControlmes#j sageappearsontheControlDisplay.
SymbolPossiblecauseThereisatireinflationpressureloss.Measure1.Reducethevehiclespeed.Donotexceedaspeedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireap#j
pearsinaCheckControlmessageontheCon#j
trolDisplay.
SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Measure
1.Reduceyourspeedandstopcautiously.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 368.3.ReadthedescriptiononWhattodoincaseof
aflattire.
Actionsintheeventofaflattire,referto page 379.Seite3778heelsandtiresMOBILITY377
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Messages:fortireswithspecial
approval
Generalinformation AlowtireinflationpressuremaycausetheDSCDynamicStabilityControltobeswitchedon.
Safetyinformation
Warning
Adamagedregulartirewithlowormissingtire
inflationpressureimpactshandling,suchas steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof accident.Donotcontinuedrivingifthevehicleisequippedwithnormaltires.Followtheinfor#jmationonrun-flattiresandcontinueddriving
withthesetires.
Ifatireinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageap#j
pearsontheControlDisplay.
Symj
bolPossiblecauseInflationwasnotcarriedoutaccord#j
ingtospecifications,e.g.,thetirehas
notbeensufficientlyinflated.
Thesystemhasdetectedawheel
change,butnoresetwasdone.
Thetireinflationpressurehasfallen
belowthelevelofthelastreset.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.Measure1.Checkthetirepressureandcorrectas
needed.2.Performasystemreset.
Ifthetireinflationpressureistoo
low
Message Ayellowwarninglightisilluminatedintheinstrumentcluster.
Inaddition,asymbolwithaCheckControlmes#j
sageappearsontheControlDisplay.
SymbolPossiblecauseThereisatireinflationpressureloss.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Reducethevehiclespeed.Donotexceeda speedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.3.Resetthesystem.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireap#j
pearsinaCheckControlmessageontheCon#j
trolDisplay.
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SymbolPossiblecauseThereisaflattireoramajorlossintireinflationpressure.
Noresetwasperformedforthesys#j
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Reduceyourspeedandstopcautiously. Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Checkwhetherthevehicleisfittedwithnor#j
maltiresorrun-flattires.
Run-flattiresarelabeledwithacircularsym#j
bolcontainingthelettersRSCmarkedonthe tire'ssidewall.
Run-flattires,refertopage 368.3.ReadthedescriptiononWhattodoincaseof
aflattire.
Actionsintheeventofaflattire,referto page 379.
Actionsintheeventofaflattire
Normaltires
1.Identifythedamagedtire.
Checkthetireinflationpressureinallfour
tires,forinstanceusingthetirepressuregage
ofaflattirekit.
Fortireswithspecialapproval:whenthetire inflationpressureinallfourtiresiscorrect,the
TirePressureMonitormaynothavebeenre#j
set.Inthiscase,performthereset.
Iftiredamagecannotbefound,contacta
dealer#ssservicecenteroranotherqualified
servicecenterorrepairshop.2.Repairtheflattire,e.g.,withaflattirekitorby changingthewheel.Useofsealant,forinstancefromtheflattirekit,maydamagethewheelelectronics.Havethe
electronicsreplacedatthenextopportunity.
Run-flattires
Safetyinformation
Warning
Thevehiclehandlesdifferentlywhenarun-flat tirehasinsufficientornotirepressure;forin#j stance,reducedlanestabilitywhenbraking,brakingdistancesarelongerandtheself-steer#jingpropertieswillchange.Thereisariskofac#jcident.Drivemoderatelyanddonotexceeda
speedof50mph/80km/h.
Warning
Heavytrailerscanstartswingingwhencontinu#j ingtodrivewithaflattire.Theremaybearisk
ofaccidentorriskofdamagetoproperty.Do
notexceedaspeedof35mph/60km/hwhen
drivingwithatrailerandaflattire.Immediately brakeinthecaseofswinging.Applynecessary
steeringcorrectionsascarefullyaspossible.
Maximumspeed
Youmaycontinuedrivingwithadamagedtireat
speedsupto50mph/80km/h.
Continueddrivingwithaflattire
Followthefollowingwhencontinuingtodrive
withadamagedtire:
1.Avoidsuddenbrakingandsteeringmaneu#j
vers.2.Donotexceedaspeedof50mph/80km/h.3.Checkthetireinflationpressureinallfour
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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,suchasanemergencywheel,ismounted:havethe
wheelschecked,ifneeded.'xInterferencecausedbysystemsordevices
withthesameradiofrequency:afterleaving theareaoftheinterference,thesystemauto#j
maticallybecomesactiveagain.'xFortireswithspecialapproval:thesystem
wasunabletocompletethereset.Performa
systemresetagain.
Malfunction:havethesystemchecked.
DeclarationaccordingtoNHTSA/
FMVSS138TirePressure
MonitoringSystem
Eachtire,includingthespare(ifprovided)should
becheckedmonthlywhencoldandinflatedto
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