General Electrical System -- Repair (G12) (1 Of 2)

• 61 00 General Information
  • Information on removing, connecting and changing the battery (all 7' series models 2016-2022)
  • Notes for disconnecting and connecting the vehicle battery (all 7' series models 2016-2022)
  • Notes on handling optical fibers (all 7' series models 2016-2022)
  • Notes on handling the high pressure cleaner (all 7' series models 2016-2022)
  • Notes on handling wiring harnesses and cables (all 7' series models 2016-2022)
  • Parking-residing-driving (all 7' series models 2016-2022)
  • Repairing airbag cables (all 7' series models 2016-2022)
  • Safety instructions for handling vehicle battery (all 7' series models 2016-2022)
  • Safety instructions on handling hybrid cars (all 7' series models 2016-2022)
  • 61 00 730 Programming/encoding the control unit (s) including deletion of fault memory (after vehicle test) (all 7' series models 2016-2022)
    • Encode/program control unit (s)
• 61 12 Battery Ground Cable (12V), Plug-In HEV Wiring Harness, Plug-In HEV Charging Socket
  • Notes on intelligent battery sensor (IBS) (all 7' series models 2016-2022)
  • 61 12 013 Replacing the battery ground lead (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Replacing the battery ground lead
  • 61 12 013 Replacing the battery ground lead (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Replacing the battery ground lead
  • 61 12 460 Remove and install/replace high-voltage charging socket (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove the charging power socket
    • Install the charging power socket
  • 61 12 472 Removing and installing/replacing the high-voltage wiring harness for KLE - EME (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing high-voltage connection for electrical machine (vehicle underbody)
    • Removing the high-voltage connection for electrical machine
    • Detaching cable bracket
    • Tightening cable bracket
    • Installing high-voltage connection for the electrical machine
    • Installing high-voltage connection for the electrical machine (vehicle underbody)
• 61 13 Electrical Connectors
  • Butt connector for repairing a plug connection (all 7' series models 2016-2022)
  • Circular connector, 13-pin, system D2.5 (all 7' series models 2016-2022)
  • Connector housing, LCC contact (load current contact) (all 7' series models 2016-2022)
  • Crimping Micro Power Quadlock contacts (MPQ) (all 7' series models 2016-2022)
  • Crimping annular contacts (all 7' series models 2016-2022)
  • Crimping of Nano MQS contacts (MQS) (all 7' series models 2016-2022)
  • Crimping Micro Quadlock System contacts (MQS) (all 7' series models 2016-2022)
  • Cutting, strip off insulation and crimping optical fibers (all 7' series models 2016-2022)
  • Cutting to length and strip off insulation from cables (all 7' series models 2016-2022)
  • In-line connectors, 24-/44-pin, Hybrid System MQS/MPQ (all 7' series models 2016-2022)
  • Inline connectors, 6-, 8-pin, System MQS (all 7' series models 2016-2022)
  • In-line plugs, 2-pin, System MDK 3 plus 2.8 (all 7' series models 2016-2022)
  • Inline plugs, 2-pin, System MPQ 2.8 (all 7' series models 2016-2022)
  • Inline plugs, 3-, 6-pin, System Elo-Power 2.8 (all 7' series models 2016-2022)
  • Inline plugs, 4-, 10-pin, System Elo (all 7' series models 2016-2022)
  • Socket housing (radio connector), Hybrid System MQS/MPQ (all 7' series models 2016-2022)
  • Socket housing 42-, 43-, 46-pin, Hybrid System MQS/MPQ (all 7' series models 2016-2022)
  • Socket housings, 2x21-, 2x27-pin, Hybrid Systems MQS/MPQ, Elo/Elo Power (all 7' series models 2016-2022)
  • Socket housings, 5-pin, 8-pin, System MQS/MPQ (all 7' series models 2016-2022)
  • Special tools for wiring harness repairs (all 7' series models 2016-2022)
  • Unlocking and disconnecting various plug connections in electrical and hybrid vehicles (all 7' series models 2016-2022)
  • Unlocking and disconnecting different plug connections (all 7' series models 2016-2022)
  • 61 13 250 Removing and installing separator for integral active steering (all 7' series models 2016-2022)
    • Removing the separator
    • Installing the separator
• 61 14 Power Distribution Box
  • 61 14 010 Remove and install/replace power distribution box (trunk) (all 7' series models 2016-2022)
    • Removing the rear power distribution box
    • Installing the rear power distribution box
  • 61 14 040 Removing and installing/replacing rear power distribution box positive battery cable (all 7' series models 2016-2022)
    • Removing the low power distribution box
    • Installing the low power distribution box
  • 61 14 041 Removing and installing/replacing rear power distribution box positive battery cable (behind luggage compartment trim panel, right) (all 7' series models 2016-2022)
    • Installing the positive battery cable power distribution at the rear
  • 61 14 035 Removal & install/replace power distribution box front positive battery cable (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing power distribution for front positive battery cable
    • Install the front power distribution box
• 61 20 Battery, General Information
  • Notes on AGM battery (all 7' series models 2016-2022)
  • Vehicle battery - closed current monitoring (all 7' series models 2016-2022)
  • 61 20 900 Disconnecting and connecting battery ground lead (All negative battery cables) (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Remove right windshield panel cover
    • Disconnecting the negative battery cable of the auxiliary battery in the engine compartment
    • Disconnecting the negative battery cable of the 12-V lithium-ion auxiliary battery
    • Removing the luggage compartment floor covering
    • Disconnect the battery earth lead for the active steering
    • Disconnecting the negative battery cable of the system battery
    • Connecting negative battery cable of the system battery
    • Connect the battery earth lead for the active steering
    • Installing the luggage compartment floor covering
    • Connecting the negative battery cable of the 12-V lithium-ion auxiliary battery
    • Connecting the negative battery cable of the auxiliary battery in the engine compartment
    • Install the right windshield panel cover
    • Activating the 48 V electrical system
  • 61 20 908 Running vehicle battery "power reset" (all 7' series models 2016-2022)
    • Carrying out a voltage interruption of the 12-V battery
  • 61 20 900 Disconnecting and connecting battery ground lead (All negative battery cables) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove flap in luggage compartment trim panel on right
    • De-energize the high-voltage system
    • Check that no voltage is applied
    • Disconnecting the negative battery cable (starter unit battery)
    • Remove the rear luggage compartment floor covering
    • Disconnecting the negative battery cable of the system battery
    • Disconnect the battery earth lead for the active steering
    • Connect the battery earth lead for the active steering
    • Connecting negative battery cable of the system battery
    • Install the rear luggage compartment floor covering
    • Connecting the negative battery cable (12 V battery)
    • Activate high-voltage system
    • Install flap in right luggage compartment trim panel
• 61 21 Battery (12V And 48V)
  • 61 21 003 Removing and installing the 12V dual storage system (all 7' series models 2016-2022)
    • Removing the 12V dual storage system
    • Installing the 12 V dual storage system
  • 61 21 004 Replacing the 12V dual storage system - registering with battery change - (all 7' series models 2016-2022)
    • Removing the 12V dual storage system
    • Dismounting ventilation elbow
    • Installing the 12 V dual storage system
  • 61 21 006 Removing and installing 48 V battery (with holder) (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
    • Removing the 48 V battery
    • Installing the 48 V battery
  • 61 21 007 Replacing 48-V battery - with registering battery replacement - (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
    • Removing the 48 V battery
    • Remounting the 48-volt battery
    • Installing the 48 V battery
  • 61 21 008 Removing and installing the vehicle battery (Auxiliary battery) (vehicle with integral active steering) (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Removing auxiliary battery of active steering
    • Installing the auxiliary battery for the active steering
  • 61 21 010 Removing and installing the vehicle battery (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Remove battery
    • Installing the battery
  • 61 21 017 Replacing vehicle battery - registering with battery replacement - (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Remove battery
    • Installing the battery
  • 61 21 028 Charging battery (all 7' series models 2016-2022)
  • Charging parameters for lithium ion batteries (all 7' series models 2016-2022)
  • Description of the manual Li parameter setting for DEUTRONIC DBL800/1200/1600 (all 7' series models 2016-2022)
  • Description of the manual Li parameter setting for ELEKTRON HS-1000 (all 7' series models 2016-2022)
  • Description of the manual Li parameter setting for ELTEK MultiCharger 750/900/1500 (all 7' series models 2016-2022)
  • 61 21 028 Supporting voltage of the vehicle electrical system/recharging vehicle battery (all 7' series models 2016-2022)
    • Charging battery
  • 61 21 065 Removing and installing vehicle electrical system support battery (740i 2016-2022, 740i xDrive 2017-2022, 750i 2016-2019, 750i xDrive 2016-2022, M760i xDrive 2017-2022)
    • Removing vehicle electrical system support battery
    • Installing vehicle electrical system support battery
  • 61 21 085 Removing and installing 12 V lithium ion auxiliary battery (all 7' series models 2016-2022)
    • Removing the 12-V lithium-ion auxiliary battery
    • Installing the 12-V lithium-ion auxiliary battery
  • 61 21 086 Change 12-V lithium-ion auxiliary battery - register with battery replacement - (all 7' series models 2016-2022)
    • Removing the 12-V lithium-ion auxiliary battery
    • Installing the 12-V lithium-ion auxiliary battery
  • 61 21 006 Removing and installing 48 V battery (with holder) (740e xDrive PHEV 2017-2019)
    • Removing the 48 V battery
    • Installing the 48 V battery
  • 61 21 007 Replacing 48-V battery - with registering battery replacement (740e xDrive PHEV 2017-2019)
    • Removing the 48 V battery
    • Remounting the 48-volt battery
    • Installing the 48 V battery
  • 61 21 010 Removing and installing the vehicle battery (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove battery
    • Installing the battery
  • 61 21 017 Replacing vehicle battery - registering with battery replacement - (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove battery
    • Installing the battery
• 61 25 High-Voltage Battery System
  • Assessment of the transportability of lithium-ion starter/auxiliary batteries in service workshops (all 7' series models 2016-2022)
  • Assessment of the transport condition of super capacitor storage devices in service workshops (all 7' series models 2016-2022)
  • Notes on repair of high-voltage battery unit (all 7' series models 2016-2022)
  • 61 25 010 Removing and installing high-voltage battery unit (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove high-voltage battery unit
    • Install high-voltage battery unit
  • 61 25 900 De-energize the high-voltage system (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • De-energize the high-voltage system
    • Check that no voltage is applied
    • Activate high-voltage system
  • 61 27 500 Replace the cover for the high-voltage battery unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing the lid of the high-voltage battery unit
    • Installing the lid of the high-voltage battery unit
  • 61 27 501 Removing and installing lid for high-voltage battery unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing the lid of the high-voltage battery unit
    • Installing the lid of the high-voltage battery unit
  • 61 27 521 Replacing venting unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing degassing unit
    • Install venting unit
  • 61 27 531 Replacing high-voltage connection (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing high-voltage connection
    • Install high-voltage connection
  • 61 27 551 Replace safety box (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing the safety box
    • Installing the safety box
  • 61 27 566 Replacing the communication vehicle wiring harness (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing communication wiring harness
    • Installing communication wiring harness
  • 61 27 571 Replacing battery management electronics (SME) (After vehicle diagnosis) (high voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove battery management electronics (SME)
    • Install battery management electronics (SME)
  • 61 27 581 Replace the housing pan for the high-voltage battery unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Check the lower housing section contamination and foreign bodies
  • 61 27 591 Replacing high voltage connecting wire (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove high-voltage connecting line
    • Install high-voltage connecting line
  • 61 27 596 Replacing radiator for high-voltage battery unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Installing top radiator
    • Removing the radiator, top
  • 61 27 598 Replace radiator for high-voltage battery unit at the bottom (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove bottom radiator
    • Install bottom radiator
  • 61 27 630 Removing and installing all cell modules (High-voltage battery unit removed) (lid of high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 3
    • Removing cell module 4
    • Removing cell module 6
    • Removing the radiator, top
    • Removing cell module 1
    • Removing cell module 2
    • Removing cell module 5
    • Installing cell module 5
    • Installing cell module 2
    • Installing cell module 1
    • Installing top radiator
    • Installing cell module 6
    • Installing top radiator/t>
    • Installing cell module 4
    • Installing cell module 3
  • 61 27 650 Set up high-voltage battery unit for replacement (After vehicle diagnosis) (high voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Install venting unit
    • Installing the holders for the high-voltage cables
    • Install high-voltage connection
    • Install high-voltage connecting line
    • Installing the positioning pin
    • Install bottom radiator
    • Installing cell module 1
    • Installing cell module 2
    • Installing cell module 6
    • Installing cell module 5
    • Installing communication wiring harness
    • Installing the top removable panel
    • Installing top radiator
    • Installing cell module 3
    • Tighten radiator
    • Installing cell module 4
    • Installing the distributor block
    • Installing the battery management electronics (SME) including holder
    • Installing the safety box including holder
    • Installing the lid of the high-voltage battery unit
    • Installing the holder
  • 61 27 671 Replacing the distributor block for the high-voltage battery unit (high-voltage battery unit removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Handling refrigerant lines
    • Removing the distributor block
    • Installing the distributor block
  • 61 27 677 Replacing the radiator connecting flange (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Remove the radiator connection flange
    • Install the radiator connection flange
  • 61 27 711 Replacing cell module 1 (high-voltage battery unit removed) (lid for high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 1
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
    • Installing cell module 1
  • 61 27 713 Replacing cell module 2 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 2
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
    • Installing cell module 2
    • Removing cell module 3
    • Installing cell module 3
  • 61 27 717 Replacing cell module 4 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 4
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
    • Installing cell module 4
  • 61 27 719 Replacing cell module 5 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 5
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
    • Installing cell module 5
  • 61 27 721 Replacing cell module 6 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell module 6
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
    • Installing cell module 6
  • 61 27 761 Replacing CSC, 1 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 763 Replacing CSC, 2 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 765 Replacing CSC, 3 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 767 Replacing CSC, 4 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 769 Replacing CSC, 5 (High-voltage battery unit removed) (Lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 771 Replacing CSC, 6 (High voltage battery unit removed) (lid of high-voltage battery unit removed) (after vehicle diagnosis) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Removing cell monitoring electronics
    • Installing cell monitoring electronics
  • 61 27 910 Repair of temperature sensor (negative temperature coefficient) on a cell module (cell module removed) (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022)
    • Replacing the NTC
    • Installing the cell module lid
    • Pinning the connector again