Removing the wiring harness section of the transmission wiring harness

WARNING: Working on 12V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Preliminary work

Refer to DEACTIVATING ELECTRICAL SYSTEM .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
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 LEFT AND RIGHT WIPER ARM .
Refer to REMOVING THE COWL COVER .
Refer to REMOVING THE FIREWALL UPPER PART .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING THE DME CONTROL UNIT .
Refer to REMOVING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to REMOVING THE CONTROL UNIT HOLDER .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING EXHAUST SYSTEM .
Refer to PARTIALLY LOOSENING SIDE UNDERBODY PANELING AT LEFT AND RIGHT .
Refer to REMOVING THE RETAINING PLATES .
Refer to REMOVING THE HEAT SHIELDS .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to IF INSTALLED: RELEASING THE TRANSMISSION BEARING SUPPORT .

Wiring harness section of transmission wiring harness

Courtesy of BMW OF NORTH AMERICA, INC.

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
If control units are disconnected, fault memory entries and functional limitations may occur.
The fault memory entries must be read out and deleted if necessary.

Release the clamps (arrows) and set aside.
Loosen screws (1) .
Unlock lock (2) .
Remove wiring harness section (3) of the transmission wiring harness and set aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen clamp (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen the clamp (arrow).
Remove wiring harness section (2) of the transmission wiring harness and set aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen clamps (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
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) .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the clamps (1) and set aside with the cable.
Loosen screws (2) .
Slightly lower the transmission (3) .

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screws (1) .
Guide out and remove holder (2) .

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Loosen the clamp (arrow).
Remove wiring harness section (2) of the supply module and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1) .
Unlock plug connection (2) and disconnect.
Feed out and remove the wiring harness section (3) of the transmission wiring harness.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock plug connection (1) and disconnect.
Release the clamps (arrows).
Guide out wiring harness section (2) of the transmission wiring harness and set it aside.

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out and remove the vehicle wiring harness of the engine transmission module (1) .

Courtesy of BMW OF NORTH AMERICA, INC.