Removing the wiring harness section of the transmission wiring harness

NOTE: RISK OF DAMAGE
Coolant leaking from the starter motor generator.
Damage and loss of function of the starter motor generator.

Cover the starter motor generator with suitable, watertight auxiliary materials.
Close off line connections with seal plugs.
If necessary: Rinse off the coolant leaking from starter motor generator with at least 1 l of water.

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. Do not pry off using a tool.

NOTE: TECHNICAL INFORMATION
Additional coolant can leakage. Make sure that no coolant enters the intake port of the cylinder head.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
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 DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING WINDSHIELD PANEL COVER .
Refer to REMOVING THE CENTER COWL UPPER PART .
Refer to REMOVING THE CENTER FIREWALL LOWERING 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 FRONT UNDERBODY PROTECTION .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to IF INSTALLED: PARTIALLY RELEASING THE ENGINE OIL COOLER .
Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
Refer to IF INSTALLED: SECURING THE ENGINE OIL COOLER .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING COMPLETE EXHAUST SYSTEM .
Refer to REMOVING THE RETAINING PLATES .
Refer to REMOVING THE HEAT SHIELDS .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to REMOVING TRANSMISSION BEARING SUPPORT .
Refer to REMOVING TRANSMISSION MOUNTING BRACKET (ALL-WHEEL DRIVE VEHICLE) .
Refer to REMOVING TANK VENT VALVE .
Refer to REMOVING THE INTAKE PLENUM .

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: 61 35... NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION

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, if necessary, deleted.

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) .

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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) .

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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) .

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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.