Removing the wiring harness section of the transmission wiring harness

WARNING: High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
For additional information see: NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

Preliminary work

Refer to REMOVING FLAP IN LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT .
Refer to DE-ENERGIZING THE HIGH-VOLTAGE SYSTEM .
Refer to CHECKING THAT NO VOLTAGE IS APPLIED .
Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE (STARTER UNIT BATTERY) .
Refer to REMOVING BATTERY COVER IN TRUNK .
Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
Refer to REMOVING THE BULKHEAD UPPER PART .
Refer to RELEASING THE HIGH-VOLTAGE CABLES ON THE EME .
Refer to REMOVING THE SECOND BULKHEAD AT THE BOTTOM .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING THE DME CONTROL UNIT .
Refer to REMOVE THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to REMOVE CONTROL UNIT BRACKET .
Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING EXHAUST SYSTEM .
Refer to REMOVING THE HEAT SHIELDS .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .

Wiring harness section of transmission wiring harness

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NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information, see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

NOTE: RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.

Do not pull on wires when disconnecting connectors and plug connections.

NOTE: TECHNICAL INFORMATION
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.

If necessary, unlock and disconnect the plug connections (1).
Remove all connectors (1) from the DME control unit and the PDM and set them to the side.

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Unlock the lock (1).
Loosen screws (2).
Unlock plug connection (3) and disconnect.
Unlock plug connection (4) and disconnect.

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Unlock the plug connection (1) and detach from the air conditioning compressor.
Loosen the clamp (arrow).

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Unlock the plug connection (1) and detach from the starter motor.
Release the clamps (arrows).

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Release the clamps (arrows).
Remove wiring harness section (1) of the transmission wiring harness and set aside.

Courtesy of BMW OF NORTH AMERICA, INC.

Slightly lower the transmission

Support the transmission using special tools 2 219 012 and 0 495 498 (23 4 050) .
Secure the transmission with the luggage strap (1).

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Release the clamps (1) and set aside with the cable.
Loosen screws (2).
Slightly lower the transmission (3).

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Loosen screw (1).
Unlock plug connection (2) and disconnect.
Unlock plug connection (3) and disconnect.
Unlock plug connection (4) and disconnect.

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Guide out and remove wiring harness (1) of the transmission module.

Courtesy of BMW OF NORTH AMERICA, INC.