24 00 023 Removing and installing automatic transmission (GA6HP26Z)

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 avoid severe damage to the engine block, the protruding threads of the transmission bolts must be checked for corrosion and damage prior to removal .
If the threads are corroded, they must be de-rusted and cleaned prior to removal .
Renew rusted, damaged screws.

Non-observance leads to severe 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
Secure engine in installation position. See 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (M57T2) , 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (N54/N55) or 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (N63) .
Remove fan cowl. See 17 11 035 REMOVING AND INSTALLING/RENEWING FAN COWL WITH ELECTRIC FAN (N63) , 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N55) or 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (M57T2) .
Remove exhaust system. See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M57T2 WITH SCR) or 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M57T2) .
Remove front UNDERBODY PROTECTION .
Remove REINFORCEMENT PLATE .
Remove FRONT PROPELLER SHAFT .

Unfasten nut.

Disconnect cable (1).

Installation note:

Unfasten nut.
Adjust cable by means of holder (2) until distance A = 1 mm is obtained
Tighten nut.

Fig 1: Locating Nut Of Holder
Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

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

Remove cover (4).

Fig 2: Identifying Cover, Cross-Brace And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove crankshaft sensor.

Disengage cable from holder (2).

Fig 3: Identifying Cable And Holder

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 4: Removing 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 5: Identifying Screw And Hydraulic Lines

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 Vibration Damper Screws

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.

Unlock and detach connectors (1) and (2).

Fig 8: Identifying Connectors

Courtesy of BMW OF NORTH AMERICA, INC.

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 .

Fig 9: Securing Transmission To Mounting Tensioning Strap

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 10: Locating Cross Member Screws

Courtesy of BMW OF NORTH AMERICA, INC.

REMOVE propeller shaft from transmission.
Release center mount.
Note:
Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!
Tie up propeller shaft to underbody.
Support engine with lifter when removing transmission.

Lower engine with transmission.

Secure engine and transmission in lowered position with engine support beam.

Then support transmission.

Release screws.

Tightening torque: 24 00 1AZ .

Unflange transmission.

Fig 11: Locating Transmission Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check that fitting sleeves (2) are correctly fitted.

Replace damaged fitting sleeves.

Fig 12: Identifying Sleeves And Bore Hole

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.