BMW X7 2019 Owners Manual

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5.Withthecompressorswitchedoff,insertthe
plugintothepowersocketinsidethevehicle.6.Withstandbystateswitchedonortheengine running,switchonthecompressor.
Letthecompressorrunformax.10minutestofill
thetirewithsealantandachieveatireinflation pressureofapprox.2.0bar.
Whilethetireisbeingfilledwithsealant,thetire
inflationpressuremaysporadicallyreachapprox.
5bar.Donotswitchoffthecompressoratthis point.
Checkingandadjustingthetire
inflationpressure
Checking
1.Switchoffthecompressor.2.Readthetireinflationpressureonthetirepressuregage.
Tocontinuethetrip,atireinflationpressureofatleast2barmustbereached.
Removingandstowingthesealant
container1.Unscrewthefillinghoseofthesealantconj tainerfromthetirevalve.2.Presstheredunlockingdevice.3.Removethesealantcontainerfromthecomjpressor.4.Wrapandstorethesealantcontainerinsuitaj
blematerialtoavoiddirtyingthecargoarea.
Minimumtireinflationpressureis
notreached
1.Pulltheconnectoroutofthepowersocket insidethevehicle.2.Drive33ft/10mforwardandbacktodistribjutethesealantinthetire.3.Screwtheconnectionhoseofthecompresj
sordirectlyontothetirevalvestem.4.Inserttheconnectorintothepowersocketinj
sidethevehicle.5.Withstandbystateswitchedonortheengine running,switchonthecompressor.
Ifatireinflationpressureofatleast2barcanj
notbereached,contactyourdealerssserviceSeite3518heelsandtiresMOBILITY351
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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.
Adjustment
1.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 360.
ResettheTirePressureMonitorTPM,referto
page 354.
Replacethenonworkingtireandthesealantconj taineroftheMobilitySystempromptly.
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Snowchains
Safetyinformation
WARNING
Withthemountingofsnowchainsonunsuitaj bletires,thesnowchainscancomeintoconj
tactwithvehicleparts.Thereisariskofaccij
dentsorriskofdamagetoproperty.Only
mountsnowchainsontiresthataredesignated
bytheirmanufacturerassuitablefortheuseof
snowchains.
WARNING
Insufficientlytightsnowchainsmaydamage tiresandvehiclecomponents.Thereisariskof
accidentsorriskofdamagetoproperty.Make
surethatthesnowchainsarealwayssuffij
cientlytight.Re-tightenasneededaccordingto
thesnowchainmanufacturer'sinstructions.
Fine-linksnowchains
Themanufacturerofyourvehiclerecommendsuseoffine-linksnowchains.Certaintypesof
fine-linksnowchainshavebeentestedbythe manufacturerofthevehicleandrecommendedasroad-safeandsuitable.
Informationregardingsuitablesnowchainsis
availablefromadealerssservicecenteroranj otherqualifiedservicecenterorrepairshop.
Use
Useonlyinpairsontherearwheels,equipped
withthetiresofthefollowingsize:
'x255/55R20.
Followthesnowchainmanufacturer'sinstrucj tions.
Donotinitializetherun-flattiresaftermounting
snowchains,asdoingsomayresultinincorrect readings.
DonotresettheTirePressureMonitorTPMafjtermountingsnowchains,asdoingsomayrej sultinincorrectreadings.
Whendrivingwithsnowchains,brieflyactivate
DynamicTractionControlDTCtooptimizethe
forwardmomentum.
Maximumspeedwithsnow
chains
Donotexceedaspeedof30mph/50km/hwhen
usingsnowchains.
Rearaxlesteeringduring
operationwithsnowchains
Generalinformation
Inordertoguaranteefreerunningofthewheels
whenoperatingwithsnowchains,rearaxle
steeringoftheintegralactivesteeringmustbe
switchedoffwhensnowchainsaremounted.
Safetyinformation
WARNING
Whenrearaxlesteeringisswitchedonand
snowchainsaremounted,therecanbecontact
betweensnowchainsandthechassis.Thereis
ariskofaccidentsorriskofdamagetopropj
erty.Withmountedsnowchains,switchoffthe rearaxlesteering.
Switchingoffrearaxlesteering
Therearaxlesteeringisswitchedoffbyspecifyj
ingthatsnowchainsareinstalled.
ViaiDrive:
1.CAR2.Settings3.Generalsettings4.Tirechains5.SnowchainsinstalledSeite3538heelsandtiresMOBILITY353
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Startingwiththepermissiblemaximumspeed
withsnowchainsof30mph/50km/htherear axlesteeringwillbeswitchedonagainautomatij
cally.
TirePressureMonitorTPM
Concept
Thesystemmonitorstireinflationpressureinthe
fourmountedtires.Thesystemwarnsyouif thereisalossofpressureinoneormoretires.
GeneralinformationSensorsinthetirevalvesmeasurethetireinflaj
tionpressureandtiretemperature.
UsingthetiresettingsiniDrive,thesystemcan
automaticallydisplaythespecifiedtargetpresj
suresandcomparethemwiththeactualtireinj
flationpressures.
Iftiresarebeingusedthatarenotspecifiedon thetireinflationpressuredetailsonthevehicle,
refertopage 340,suchastireswithspecialapj
proval,thesystemneedstobeactivelyreset. Thesystemwillthentakeovertheactualtireinjflationpressuresasthetargetpressures.
Whenoperatingthesystem,alsonotetheaddij
tionalinformationfoundintheTireinflationpresj sure,refertopage 340,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 354.'xFortireswithspecialapproval:'xAfteratireorwheelreplacement,areset
wasperformedwiththecorrecttireinflaj
tionpressure.'xAfterthetireinflationpressurewasadj
justedtoanewvalue,aresetwasperj formed.'xWheelswithTPMwheelelectronics.
Tiresettings
Generalinformation Thetiresizesofthemountedtirescanbegathj
eredfromthetireinflationpressuredetailsonthe vehicle,refertopage 340,ordirectlyonthetires.
Thetiredetailsdonotneedtobere-entered whenthetireinflationpressureiscorrected.
Forsummerandwintertires,thetiredetailsenj
teredlastarestored.Afteratireorwheelrej
placement,thesettingsofthetiresetsusedlast
canbeselected.
Openingthemenu ViaiDrive:
1.CAR2.Vehiclestatus3.TirePressureMonitorSeite354MOBILITY8heelsandtires354
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ChangingsettingsViaiDrive:1.Tiresettings2.Selectingtires:'xSummertires'xWinter/all-year3.Current:4.Selectthetiretypethatismountedonthe
rearaxle:'xTiresize,e.g.,245/45R1896Y.'xFortireswithspecialapproval:Othertire5.Selectthemaximumroadspeedthatwillbe
usedwiththetires.6.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.
Anyexistingmessagesarenotdeletedifthedisj playedtargetpressureisnotreachedafterthe
tireinflationpressureiscorrected.
Allwheelsgreen'xThesystemisactiveandbaseswarningson thedisplayedtargetpressures.'xFortireswithspecialapproval:thesystemisactiveandbaseswarningsonthetireinflation
pressuresstoredduringthelastreset.
Onetofouryellowwheels
Aflattireormajordropinthetireinflationpresj
surehasoccurredintheindicatedtires.
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GraywheelsItmaynotbepossibletoidentifytireinflation
pressurelosses.
Possiblecauses:'xMalfunction.'xDuringtireinflationpressuremeasurement, afterconfirmationofthetiresettings.'xFortireswithspecialapproval:thesystemisbeingreset.
Fortireswithspecialapproval:
performareset
ViaiDrive:
1.CAR2.Vehiclestatus3.TirePressureMonitor4.Switchondrive-readystateanddonotdriveoff.5.Resettireinflationpressure:Performreset.6.Driveaway.
Thewheelsaredisplayedingrayandthefollowj
ingisdisplayedResettingTirePressure Monitor

Page 357 of 422

Measure1.Reducethevehiclespeed.Donotexceedaspeedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireapj
pearsinaCheckControlmessageontheConj
trolDisplay.
SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Measure
1.Reduceyourspeedandstopcautiously.Avoidsuddenbrakingandsteeringmaneuj
vers.2.Checkwhetherthevehicleisfittedwithnorj
maltiresorrun-flattires.
Run-flattires,refertopage 347,arelabeled
withacircularsymbolcontainingtheletters RSCmarkedonthetire'ssidewall.
Messages:fortireswithspecial
approval
Generalinformation AlowtireinflationpressuremaycausetheDSCDynamicStabilityControltobeswitchedon.
Safetyinformation
WARNING
Adamagedregulartirewithlowormissingtire inflationpressureimpactshandling,suchas
steeringandbrakingresponse.Run-flattires
canmaintainlimitedstability.Thereisariskof anaccident.Donotcontinuedrivingifthevehij
cleisequippedwithnormaltires.Followtheinj
formationonrun-flattiresandcontinueddriving
withthesetires.
Ifatireinflationpressurecheckis
required
Message
AsymbolwithaCheckControlmessageapj
pearsontheControlDisplay.
Symj
bolPossiblecauseInflationwasnotcarriedoutaccordj
ingtospecifications,e.g.,thetirehas
notbeensufficientlyinflated.
Thesystemhasdetectedawheel
change,butnoresetwasdone.
Thetireinflationpressurehasfallen
belowthelevelofthelastreset.
Noresetwasperformedforthesysj
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Checkthetirepressureandcorrectas
needed.2.Performasystemreset.Seite3578heelsandtiresMOBILITY357
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Ifthetireinflationpressureistoo
low
Message Ayellowwarninglightisilluminatedintheinstrumentcluster.
Inaddition,asymbolwithaCheckControlmesj
sageappearsontheControlDisplay.SymbolPossiblecauseThereisatireinflationpressureloss.
Noresetwasperformedforthesysj
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.
Measure
1.Reducethevehiclespeed.Donotexceeda speedof80mph/130km/h.2.Atthenextopportunity,forinstanceatagasstation,checkthetireinflationpressureinallfourtiresandcorrectifnecessary.3.Resetthesystem.
Ifthereisasignificantlossoftire
inflationpressure
Message Ayellowwarninglightisilluminatedin
theinstrumentcluster.
Inaddition,asymbolwiththeaffectedtireapj
pearsinaCheckControlmessageontheConj
trolDisplay.
SymbolPossiblecauseThereisaflattireoramajorlossin tireinflationpressure.
Noresetwasperformedforthesysj
tem.Thesystemissuesawarning
basedonthetireinflationpressures
storedduringthelastreset.Measure1.Reduceyourspeedandstopcautiously. Avoidsuddenbrakingandsteeringmaneuj
vers.2.Checkwhetherthevehicleisfittedwithnorj
maltiresorrun-flattires.
Run-flattires,refertopage 347,arelabeled
withacircularsymbolcontainingtheletters RSCmarkedonthetire'ssidewall.
Actionsintheeventofaflattire
Normaltires
1.Identifythedamagedtire.
Checkthetireinflationpressureinallfour
tires,forinstanceusingthetirepressuregage
ofaflattirekit.
Fortireswithspecialapproval:ifthetireinflaj
tionpressureinallfourtiresiscorrect,the
TPMmaynothavebeenreset.Inthiscase,
performthereset.
Iftiredamagecannotbefound,contacta
dealerssservicecenteroranotherqualified
servicecenterorrepairshop.2.Repairtheflattire,e.g.,withaflattirekitorby changingthewheel.
Useofsealant,forinstancefromtheflattirekit,maydamagetheTPMwheelelectronics.Have
theelectronicsreplacedatthenextopportunity.
Run-flattires Safetyinformation
WARNING
Yourvehiclehandlesdifferentlywitharun-flat
withnoorlowinflationpressure;forinstance, yourlanestabilitywhenbrakingisreduced,brakingdistancesarelongerandtheself-steerjingpropertieswillchange.Thereisariskofan
accident.Drivemoderatelyanddonotexceeda speedof50mph/80km/h.
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WARNING
Heavytrailerscanstartswingingwhencontinuj ingtodrivewithaflattire.Thereisariskofacj
cidentsorriskofdamagetoproperty.Donot exceedaspeedof35mph/60km/hwhendrivj
ingwithatrailerandaflattire.Immediately
brakeinthecaseofswinging.Applynecessary
steeringcorrectionsascarefullyaspossible.
Maximumspeed
Youmaycontinuedrivingwithadamagedtireat
speedsupto50mph/80km/h.
Continueddrivingwithaflattire
Followthefollowingwhencontinuingtodrive
withadamagedtire:
1.Avoidsuddenbrakingandsteeringmaneuj
vers.2.Donotexceedaspeedof50mph/80km/h.3.Checkthetireinflationpressureinallfour
tiresatthenextopportunity.
Fortireswithspecialapproval:ifthetireinflaj
tionpressureinallfourtiresiscorrect,the
TirePressureMonitormaynothavebeenrej
set.Inthiscase,performthereset.
Possibledrivingrangewitha
depressurizedtire
Thedistanceforwhichitmaybepossibleto
drivesafelyvariesdependingonhowthevehicle
isloadedandused,e.g.,speed,roadconditions,
externaltemperature.Thedrivingrangemaybe
lessbutmayalsobemoreifaneconomicaldrivj ingstyleisused.
Ifthevehicleisloadedwithanaverageweight
andusedunderfavorableconditions,thedisj
tanceforwhichitmaybesafetodrivemaybeup to50miles/80km.
Vehiclehandlingwithdamagedtires
Vehiclesdrivenwithadamagedtirewillhandle differently,potentiallyleadingtoconditionssuchasthefollowing:'xGreaterlikelihoodofswervingoffcourse.'xLongerbrakingdistances.'xChangedself-steeringproperties.
Modifyyourdrivingstyle.Avoidabruptsteeringmaneuversordrivingoverobstacles,forinstancecurbsorpotholes.
Finaltirefailure
Vibrationsorloudnoiseswhiledrivingcanindij catethefinalfailureofatire.
Reducespeedandstop;otherwise,piecesofthe
tirecouldcomelooseandcauseanaccident.
Donotcontinuedriving.Contactadealerssservj
icecenteroranotherqualifiedservicecenteror repairshop.
Systemlimits
Temperature
Thetireinflationpressuredependsonthetire's
temperature.
Drivingorexposuretothesunwillincreasethe
tire'stemperature,thusincreasingthetireinflaj
tionpressure.
Thetireinflationpressureisreducedwhenthe tiretemperaturefallsagain.
Thesecircumstancesmaycauseawarning
whentemperaturesfallverysharply.
Followingatemperature-relatedwarning,thetarj
getpressuresaredisplayedontheControlDisj playagainafterashortdistance.
Suddentirepressureloss
Thesystemcannotindicatesuddenserioustire
damagecausedbyexternalcircumstances.
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FailuretoperformaresetTireswithspecialapproval:thesystemwillnot
functioncorrectlyifaresetwasnotperformed,
forexampleaflattiremaybeindicatedalthough
thetireinflationpressuresarecorrect.
Malfunction
Message Theyellowwarninglightflashesandis
thenilluminatedcontinuously.ACheck
Controlmessageisdisplayed.Itmaynot
bepossibletoidentifytirepressurelosses.
Measure'xAwheelwithoutTPMwheelelectronics,such
asanemergencywheel,ismounted:have
thewheelschecked,ifneeded.'xMalfunction:havethesystemchecked.'xInterferencecausedbysystemsordevices
withthesameradiofrequency:afterleaving theareaoftheinterference,thesystemautoj
maticallybecomesactiveagain.'xFortireswithspecialapproval:thesystem
wasunabletocompletethereset.Performa
systemresetagain.
DeclarationaccordingtoNHTSA/
FMVSS138TirePressure
MonitoringSystem
Eachtire,includingthespare(ifprovided)should
becheckedmonthlywhencoldandinflatedto theinflationpressurerecommendedbythevehijclemanufactureronthevehicleplacardortireinjflationpressurelabel.(Ifyourvehiclehastiresof
adifferentsizethanthesizeindicatedonthevej
hicleplacardortireinflationpressurelabel,you
shoulddeterminethepropertireinflationpresj sureforthosetires.)Asanaddedsafetyfeature,yourvehiclehasbeenequippedwithatirepresjsuremonitoringsystem(TPMS)thatilluminatesalowtirepressuretelltalewhenoneormoreof
yourtiresissignificantlyunder-inflated.Accordj
ingly,whenthelowtirepressuretelltaleillumij nates,youshouldstopandcheckyourtiresas
soonaspossible,andinflatethemtotheproper
pressure.Drivingonasignificantlyunder-inflated
tirecausesthetiretooverheatandcanleadto
tirefailure.Under-inflationalsoreducesfueleffij
ciencyandtiretreadlife,andmayaffectthevehij
cle'shandlingandstoppingability.Pleasenote
thattheTPMSisnotasubstituteforpropertire
maintenance,anditisthedriver'sresponsibility tomaintaincorrecttirepressure,evenifunder-inflationhasnotreachedtheleveltotriggerilluj
minationoftheTPMSlowtirepressuretelltale.
Yourvehiclehasalsobeenequippedwitha
TPMSmalfunctionindicatortoindicatewhenthe
systemisnotoperatingproperly.TheTPMS malfunctionindicatoriscombinedwiththelow
tirepressuretelltale.Whenthesystemdetectsa
malfunction,thetelltalewillflashforapproxij
matelyoneminuteandthenremaincontinuously illuminated.Thissequencewillcontinueupon
subsequentvehiclestart-upsaslongasthemalj
functionexists.Whenthemalfunctionindicatoris
illuminated,thesystemmaynotbeabletodej
tectorsignallowtirepressureasintended.
TPMSmalfunctionsmayoccurforavarietyof
reasons,includingtheinstallationofreplacement
oralternatetiresorwheelsonthevehiclethat
preventtheTPMSfromfunctioningproperly.Alj
wayschecktheTPMSmalfunctiontelltaleafter
replacingoneormoretiresorwheelsonyourvej
hicletoensurethatthereplacementoralternate
tiresandwheelsallowtheTPMStocontinueto
functionproperly.
FTMFlatTireMonitor
Concept
Thesystemdetectstireinflationpressureloss
onthebasisofrotationspeeddifferencesbej
tweentheindividualwheelswhiledriving.
Intheeventofatireinflationpressureloss,the
diameterandthereforetherotationalspeedof
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