24 00 023 Removing and installing automatic transmission (GA8HP70Z) (N63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT: To prevent heavy damage to the engine block, the protruding thread of the transmission bolts absolutely must be checked for damage and corrosion before removal .
If there are signs of corrosion, the rust must be removed and the threads must be cleaned before removal .
Replace rusted, damaged screws.

Failure to comply with this instruction will result in serious damage to the engine block and transmission.

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Use only the approved transmission oil. See AUTOMATIC TRANSMISSION -- OPERATING FLUIDS or DUAL-CLUTCH TRANSMISSION -- OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Disconnect battery . See 12 00... NOTES FOR DISCONNECTING AND CONNECTING BATTERY or 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Secure ENGINE IN INSTALLATION POSITION .
Remove fan cowl. See 17 11 035 REMOVING AND INSTALLING/RENEWING FAN COWL WITH ELECTRIC FAN (N63) .
Remove BOTH INTAKE SILENCER HOUSINGS .
Remove EXHAUST SYSTEM .
Remove UNDERBODY PROTECTION at front and rear.
Remove REINFORCEMENT PLATE .
Remove FRONT PROPELLER SHAFT .
Remove PROPELLER SHAFT .

Vehicles with Adaptive Drive:

Release screws (1).

Secure line (2) under cross-brace (3).

Remove cover (4).

Fig 1: Identifying Cross-Brace, Line And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove crankshaft sensor.

Disengage cable from holder (2).

Fig 2: Identifying Cable From Holder And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) by turning and disconnect
Release cable from brackets
Insert special tool 24 2 390 in sealing cup.

These tasks are described in NOTES ON MECHATRONICS

(Important: Observe important note)

Fig 3: Turning Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Disconnect hydraulic lines (2) to transmission oil cooler.

Installation note:

Replace sealing rings.

Fig 4: Identifying Hydraulic Lines And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque: 24 00 1AZ .

Fig 5: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Crank engine at vibration damper until screw (1) is visible in recess.

Release all 6 screws (1) on torque converter.

Tightening torque: 24 40 1AZ .

Fig 6: Identifying Screw Of Vibration Damper

Courtesy of BMW OF NORTH AMERICA, INC.

Press special tool 24 1 380 together and insert into recess in transmission housing.

Fig 7: Identifying Special Tool 24 1 380

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque: 22 32 4AZ .

Release screw (1).

Tightening torque: 22 32 5AZ .

Remove cross member.

Fig 8: Locating Screw Of Cross Member

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect connector (1) from transfer box control unit (3) (longitudinal torque module).

Fig 9: Identifying Connector At Transfer Box Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove earth strap (2).

Fig 10: Identifying Earth Strap And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Lower engine with transmission.

Secure engine and transmission in lowered position with engine bridge.

Then support transmission.

Supporting transmission:

Support transmission with special tools 23 4 050 , 00 2 030 .

Secure transmission to mounting with tensioning strap (1).

Tasks are described in GEARBOX HOLDER .

After completion of work, check transmission fluid level.

Fig 11: Securing Transmission To Mounting Tensioning Strap

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque: 24 00 1AZ .

Unflange transmission.

Fig 12: Locating Screws Of Transmission

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Bore hole (1) of driving plate must be accessible from recess on engine oil sump.

Check that fitting sleeves (2) are correctly fitted.

Replace damaged fitting sleeves.

Fig 13: Identifying Bore Hole And Sleeves

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Rotate torque converter until bore hole in torque converter is flush with bore hole in drive plate.

Flange-mount transmission to engine.