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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. 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 repair work, check TRANSMISSION OIL LEVEL .
USE ONLY APPROVED TRANSMISSION OIL .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Clamp off BATTERY .
Remove STARTER MOTOR .
Remove underbody protection See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION or 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION
Remove REINFORCEMENT PLATE .
Remove EXHAUST SYSTEM .
Remove heat shields.
Partially remove propeller shaft See 26 11 000 COMPLETELY REMOVING AND INSTALLING PROPELLER SHAFT (INSERTED - REAR FLEXIBLE DISC) (WITHOUT VIBRATION ABSORBER) or 26 11 000 REMOVING AND REFITTING COMPLETE PROPELLER SHAFT (PUSH-FIT - FLEXIBLE JOINT AT REAR) (WITH VIBRATION ABSORBER) .
- Disconnect propeller shaft at transmission.
- Release center mount.
- Tie up propeller shaft to underbody.
  NOTE: Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!

Slacken nut (1).

Take off holder (2).

Fig 1: Identifying Holder Slacken Nut

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Unscrew nuts (1).

Tightening torque 18 20 1AZ .

Unfasten screws (2).

Tightening torque 18 20 3AZ .

Remove bracket (3).

Fig 2: Identifying Bracket Screws And Nuts

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

Tightening torque 24 11 7AZ .

Fig 3: Identifying Ground Strap Screw

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

Release four screws (1) with special tool 24 1 110 .

Tightening torque 24 40 1 AZ.

Installation note:

Replace the converter bolting.

Remove any remaining adhesive residue from the thread.

Fig 4: Identifying Special Tool Screws

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

Fig 5: Identifying Special Tool (24 4 160/24 4 165) With Shaped Element

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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 6: Inserting Special Tool (24 4 160) Into Transmission Housing Recess

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Release screw (1).

Disconnect hydraulic lines (2) to transmission oil cooler.

Tightening torque 17 22 1AZ .

Installation note:

Replace sealing rings.

Fig 7: Identifying Hydraulic Lines Screw

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Unlock and disconnect connector (1) by turning.
- Do not touch pins!
Insert special tool 24 2 390 in sealing cup.
Release cable of transmission connector and starter from brackets.

Tasks are described in Gearbox holder.

NOTES ON MECHATRONICS

Fig 8: Inserting Special Tool (24 2 390) In Sealing Cup

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IMPORTANT: Read and comply with important note.

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 9: Supporting Transmission Using Special Tools (23 4 050/00 2 030)

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Loosen screws and nut.

Tightening torque 22 32 3AZ/6AZ .

Fig 10: Locating Transmission Screws And Nut

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Release bolts and remove transmission.

Tightening torque 24 00 1AZ .

NOTE: Pay attention to installation position of screws. Bolts have different lengths.

Fig 11: Locating Transmission Bolts

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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 12: Identifying Drive Plate Bore Hole And Fitting Sleeves

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