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24 00 033 Removing and installing automatic transmission (GA8HP45Z) N47

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 repair work, check TRANSMISSION OIL LEVEL .
Use only the approved transmission oil .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks: 

Slacken nut (1).

Take off holder (2).

Fig 1: Identifying Slacken Nut And Holder
G10103767Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) from ground strap (2).

Tightening torque: 24 11 7AZ .

Fig 2: Identifying Screw And Ground Strap
G10103710Courtesy of BMW OF NORTH AMERICA, INC.

Crank engine at vibration damper with special tool 11 6 480 in direction of rotation until bolt (1) is visible in recess.

Release 4 converter screws (1) with special tool 24 1 110 .

Tightening torque: 24 40 1AZ .

Installation note: 

Renew converter screws.

Remove any remaining adhesive residue from the thread.

Fig 3: Identifying Converter Screws
G10103769Courtesy of BMW OF NORTH AMERICA, INC.

Prepare special tool (1) 24 4 161 with shaped element (2) 24 4 166 as pictured.

Fig 4: Identifying Special Tool (24 4 161) With Shaped Element
G04726081Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 24 4 160 into recess of transmission housing and clamp gently with screw (1).

Raise by turning screw (2) and clamp down.

Then tighten down screw (1).

Fig 5: Tightening Screw With Special Tool (24 4 160)
G10103771Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Disconnect hydraulic lines (2) to transmission oil cooler.

Tightening torque: 17 22 1AZ .

Installation note: 

Replace sealing rings.

Fig 6: Identifying Transmission Oil Cooler Hydraulic Lines And Screw
G09921675Courtesy of BMW OF NORTH AMERICA, INC.

Tasks are described in Gearbox holder.

NOTES ON MECHATRONICS 

IMPORTANT: Read and comply with important note.
Fig 7: Disconnecting Connector
G08512171Courtesy 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 TRANSMISSION BRACKET .

After completion of work, check transmission fluid level.

Fig 8: Supporting Transmission With Special Tools (23 4 050, 00 2 030)
G05758007Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (3).

Tightening torque: 22 32 3AZ .

Fig 9: Identifying Tensioning Strap And Screws
G10099848Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts and remove transmission.

Tightening torque: 24 00 1AZ .

NOTE: Note installation locations of screws. Bolts have different lengths.
Fig 10: Locating Screws
G10103511Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check that fitting sleeves (1) are correctly seated.

Replace damaged fitting sleeves (1).

Bore hole (2) in drive plate must be accessible from recess on engine oil sump.

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

Flange automatic transmission to engine.

Fig 11: Identifying Fitting Sleeves And Bore Hole
G10103777Courtesy of BMW OF NORTH AMERICA, INC.