Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2021X6 SDRIVE40IREPAIR AND DIAGNOSISELECTRICALCHARGING SYSTEMSGENERAL ELECTRICAL SYSTEM -- REPAIR (G06)
2021 BMW X6 sDrive40i
General Electrical System -- Repair (G06)
2021 BMW X6 sDrive40iSECTION General Electrical System -- Repair (G06)
- 61 00 General Information
- Information on removing, connecting and changing the battery
- Notes for disconnecting and connecting the vehicle battery
- Notes on handling optical fibers
- Notes on handling the high pressure cleaner
- Notes on handling wiring harnesses and cables
- Parking-residing-driving
- Repairing airbag cables
- Safety instructions for handling vehicle battery
- Safety instructions on handling hybrid cars
- 61 00 730 Programming/encoding the control unit(s) including deletion of fault memory (after vehicle test)
- 61 12 Intelligent Battery Sensor
- Notes on intelligent battery sensor (IBS)
- 61 12 002 Replacing the positive battery cable (for safety battery terminal) (from battery to rear positive distribution)
- 61 12 018 Removing and installing/replacing the positive battery cable for starter motor generator - remote positive terminal
- 61 12 545 Replace negative battery cable of 48-V battery (X6 xDrive40i, X6 sDrive40i)
- 61 13 Plug Connections, Terminals
- Butt connector for repairing a plug connection
- Circular connector, 13-pin, system D2.5
- Connector housing, LCC contact (load current contact)
- Crimping micro power quadlock contacts (MPQ)
- Crimping micro quadlock system contacts (MQS)
- Crimping annular contacts
- Crimping of NanoMQS contacts (MQS)
- Cutting, strip off insulation and crimping optical fibers
- Cutting to length and strip off insulation from cables
- In-line connectors, 24-/44-pin, Hybrid System MQS/MPQ
- Inline connectors, 6-, 8-pin, System MQS
- In-line plugs, 2-pin, System MDK3 plus 2.8
- Inline plugs, 3-, 6-pin, System Elo-Power 2.8
- Inline plugs, 4-, 10-pin, System Elo
- Inline plugs, 2-pin, System MPQ 2.8
- Socket housing (radio connector), Hybrid System MQS/MPQ (radio connector)
- Socket housing 42-, 43-, 46-pin, Hybrid System MQS/MPQ
- Socket housings, 5-pin, 8-pin, System MQS/MPQ
- Socket housings, 2x21-, 2x27-pin, Hybrid Systems MQS/MPQ, ELO/ELO POWER
- Special tools for wiring Harness Repairs
- Unlocking and disconnecting various plug connections in electrical and hybrid vehicles
- Unlocking and disconnecting different plug connections
- 61 13 910 Connect a cable to the butt connector (without preparatory work)
- 61 14 Power Distribution Box
- 61 14 010 Removing and installing/replacing power distribution (trunk)
- 61 14 035 Remove & install/replace power distribution box front positive battery cable
- 61 14 040 Removing and installing/replacing positive battery cable power distribution, rear
- 61 14 041 Removing and installing/replacing positive battery cable power distribution, rear (behind luggage compartment trim panel, right)
- 61 20 Battery Ground Cable, Power Reset
- Notes on agm battery
- 61 20 503 Vehicle battery - closed current monitoring
- 61 20 900 Disconnecting and connecting battery ground lead
- Remove the cover of the rear right engine compartment
- Disconnect the negative battery cable of the auxiliary battery in the engine compartment/48 V on-board electrical system
- Disconnect the battery negative lead of the 12 V lithium-ion auxiliary battery
- Remove battery cover
- Disconnect the negative battery cable of the vehicle electrical system battery
- Check that the electrical system is de-energized when the vehicle electrical system battery is disconnected
- Connecting negative battery cable of the system battery
- Installing the battery cover
- Connecting the negative battery cable of the 12-V lithium-ion auxiliary battery
- Connect the negative battery cable of the auxiliary battery in the engine compartment/48 V vehicle electrical system
- Install the rear right engine compartment cover
- Activating the 48 V electrical system
- 61 20 908 Running vehicle battery "power reset"
- 61 21 Vehicle Battery
- 61 21 003 Removing and installing the 12V dual storage system
- 61 21 004 Replacing the 12V dual storage system - registering with battery change
- 61 21 006 Removing and installing 48 V battery (with holder) (X6 xDrive40i, X6 sDrive40i)
- 61 21 007 Replacing 48-V battery - with registering battery replacement - (X6 xDrive40i, X6 sDrive40i)
- 61 21 010 Removing and installing the vehicle battery
- 61 21 017 Replacing vehicle battery - registering with battery replacement -
- 61 21 028 Charging battery
- 61 21 065 Removing and installing vehicle electrical system support battery
- 61 21 070 Replacing the vehicle electrical system support vehicle battery - including battery change registration-
- 61 21 085 Removing and installing 12V lithium ion auxiliary battery
- 61 21 086 Replacing 12-V lithium-ion auxiliary battery - registering with battery replacement
- 61 25 Auxiliary Battery
- 61 31 Switches
- 61 31 001 Removing/installing/replacing HDC buttons
- 61 31 008 Removing and installing steering column switch cluster
- 61 31 011 Removing and installing/replacing coil spring cassette
- 61 31 021 Remove and install/replace ring antenna
- 61 31 035 Remove and install/replace the steering column adjustment switch
- 61 31 037 Removing and installing/replacing light control unit
- 61 31 043 Removing and installing roof console
- 61 31 062 Removing and installing/replacing button for heated steering wheel
- 61 31 068 Removing and installing/replacing the switch for front passenger airbag deactivation
- 61 31 082 Removing and installing/replacing switch for central locking system
- 61 31 083 Removing and installing/replacing switch for tailgate release
- 61 31 084 Remove and install/replace the switch for automatic tailgate operation
- 61 31 091 Removing and installing/replacing seat-heating switch, left or right (rear)
- 61 31 113 Removing and installing/replacing both shift paddles for automatic transmission
- 61 31 116 Replace power window switch for side window operation (rear left or right)
- 61 31 117 Removing and installing/replacing power window switch on driver's side
- 61 31 118 Removing and installing/replacing the power window switch on the passenger's side
- 61 31 137 Removing and installing/replacing socket for usb interface
- 61 31 195 Removing and installing front controller
- 61 31 197 Removing and installing operating facility for center console
- 61 31 204 Replacing the switch combination for seat adjustment
- 61 31 221 Removing and installing/replacing both multifunction steering wheel switches
- 61 31 231 Removing and installing/replacing steering wheel electronics control unit
- 61 31 233 Removing/installing/replacing the vibration actuator for lane departure warning
- 61 31 251 Remove & install audio operating facility
- 61 31 327 Removing and installing/replacing gear selector switch gearshift lever knob
- 61 31 329 Replacing start-stop button trim
- 61 31 346 Replacing trim on gear selector switch and all trim of the operating facility in the center console
- 61 31 349 Replacing the cap for the electromechanical parking brake and trim under the gear shifter
- 61 31 362 Removing and installing remote control receiver
- 61 31 513 Replacing steering column switch cluster (after vehicle diagnosis)
- 61 31 544 Replace roof function center (FZD) (after vehicle diagnosis)
- 61 31 676 Replacing control unit, additional seat function, right or left front (after vehicle diagnosis)
- 61 31 696 Replacing front controller (after vehicle diagnosis)
- 61 31 704 Replacing the operating facility in the center console (after vehicle diagnosis)
- 61 31 752 Replacing audio control unit (after vehicle diagnosis)
- 61 33 Horn
- 61 35 Control Units, Modules
- Notes on ESD protection (Electro Static Discharge)
- Overview, rain sensor (additional work when replacing the windshield/sensor replacement)
- Overview of additional work for the removal and installation or replacement of electronic components in the body area/windshield
- 61 35 013 Remove and install/replace the lin power distribution box
- 61 35 021 Removing and installing/replacing the storage tray for the near field communication
- 61 35 080 Removing and installing control unit/module for left or right seat adjustment
- 61 35 095 Removing and installing control unit/module for seat heating (left or right)
- 61 35 177 Removing and installing the rain-light sensor
- 61 35 179 Remove and install rain-light-solar-condensation sensor
- 61 35 196 Removing and installing the control unit for automatic tailgate operation
- 61 35 240 Remove and install control unit for contactless trunk opening
- 61 35 243 Remove and install the top sensor line for contactless trunk opening
- 61 35 245 Remove and install the bottom sensor line for contactless trunk opening
- 61 35 278 Removing/installing body domain controller (bdc) control unit
- 61 35 280 Remove and install basic central platform (BCP) control unit
- 61 35 514 Replacing lin power distribution box (after vehicle diagnosis)
- 61 35 582 Replacing the control unit/module for seat adjustment, left or right (After vehicle diagnosis)
- 61 35 678 Replacing rain/light sensor (after vehicle diagnosis)
- 61 35 697 Replacing the control unit for automatic tailgate operation (After vehicle diagnosis)
- 61 35 779 Replace body domain controller control unit (BDC) (After vehicle diagnosis)
- 61 35 781 Replace Basic Central Platform (BCP) control unit (After vehicle diagnosis)
- 61 35 953 Removing and installing/replacing interior antenna for comfort access (Front storage compartment) (following vehicle diagnosis)
- 61 35 954 Removing and installing/replacing interior antenna for comfort access (Center console at rear) (after vehicle diagnosis)
- 61 35 970 Removing and installing/replacing luggage compartment antenna for comfort access
- 61 35 980 Removing and installing/replacing antenna for Comfort Access on left or right (after vehicle diagnosis)
- 61 42 Voltage Transformer
- 61 61 Windshield Wiper System
- 61 61 021 replacing the wiper blade on the left or right
- 61 61 041 Replacing both wiper blades
- 61 61 051 Replacing left or right wiper blade and wiper arm
- 61 61 270 Completely removing and installing the console for the windshield wiper system including engine
- 61 61 271 Install console for windshield wiper system
- 61 62 Rear Wiper
- 61 67 Headlight Washer System
- 61 71 Windshield Washer System
- 61 71 004 Adjusting spray nozzles for washer system
- 61 71 051 Replace wind, washer system nozzle chain
- 61 71 063 Removing and installing the washer fluid reservoir for the washer system
- 61 71 065 Replacing the washer fluid reservoir for the washer system
- 61 71 100 Removing and installing/replacing window washer pump
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.