Removing automatic transmission (all-wheel drive vehicle) (GA8HP76Z)

NOTE: TECHNICAL INFORMATION
When the engine is stopped after the completion of trip, it may be necessary to run the electric fan. In rare cases, operation of the electric fan can take up to 11 minutes. This protects the components. In this case, replacing the electric fan is not necessary.

Preliminary work

Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
Refer to REMOVING THE ENGINE COMPARTMENT COVER PANEL IN THE REAR LEFT AND RIGHT .
Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING SUSPENSION STRUT BRACE .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FRONT LEFT WHEEL .
Refer to PARTIALLY REMOVING THE FRONT WHEEL ARCH TRIM .
Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
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 WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
Refer to REMOVING THE FAN COWL .
Refer to RELEASING THE CHARGE AIR CROSSING PARTIALLY .
Refer to IF INSTALLED: REMOVING THE TORSION STRUTS ON THE RIGHT AND LEFT .
Refer to REMOVING CENTER STIFFENING PLATE .
Refer to REMOVING EXHAUST SYSTEM .
Refer to REMOVING THE HEAT SHIELDS .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to REMOVING STARTER MOTOR .

CAUTION: Materials harmful to health.
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: RISK OF DAMAGE
Damage to engine block.
Serious damage to the engine block and transmission due to damaged and corroded screws.

It is imperative that protruding threads of the transmission bolts are checked for corrosion and damage prior to removal.
It is imperative that all rust is removed from corroded threads and that they are cleaned prior to removal.
Replace rusted and damaged bolts.

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

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Release the transmission cross member (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen nuts (1).
Remove retaining plate (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen the screws (1) on the transmission bearing support (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Loosen nuts (2).
Remove holder (3).
Put the positive battery cable (4) to one side.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the screw (1) and release the ground strap (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Remove the plug (1) from the VNT control unit for the longitudinal torque distribution (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).
Disconnect hydraulic lines (2) to transmission oil cooler.

Courtesy of BMW OF NORTH AMERICA, INC.
Turn the engine on the vibration damper with the special tool 0 493 380 (11 6 480) in the direction of rotation until the bolt (1) becomes visible in the recess.
Release all 6 screws (1) the torque converter.

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare the special tool 0 494 451 (24 4 160) with the special tool 0 496 061 (24 4 166) as shown.

Courtesy of BMW OF NORTH AMERICA, INC.
Remove sealing cap (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Insert special tool 0 494 451 (24 4 160) into the recess of the transmission housing and apply slight tension using the screw (1).
Screw the bolt (2) in to the stop.
Tighten down screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach the connector (1) by turning.
Do not tap pins.
Loosen all cable clips.
Insert special tool 0 494 213 (24 2 390) in sealing sleeve (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Notes on Mechatronics:

CAUTION: Materials harmful to health.
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: RISK OF DAMAGE
Damage to the automatic transmission after removal of the Mechatronics.
Serious damage to the automatic transmission due to non-compliance with the following tasks:

Load specific data status with the diagnostic system.
Use only approved transmission oil.
After completion of repair work, check the transmission oil level.

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 (ELECTROSTATIC DISCHARGE) PROTECTION .

Remove screws (arrows).
Securely tie the prop shaft to the transmission with a belt.

Courtesy of BMW OF NORTH AMERICA, INC.

Support the engine.
Release screws (1) to (9).
Pull the transmission with transfer box off the front prop shaft.
Tie the front prop shaft to the underbody.

Fig 1: Transmission Screws Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.