33 10 035 Removing and installing/replacing adapter on rear axle differential at front (M5)

Special tools required: 

• 23 4 050
• 00 2 030

Necessary preliminary tasks: 

• Remove EXHAUST SYSTEM .
• REMOVE  both trailing links.
• Remove heat shields.
• Partially remove PROPELLER SHAFT .
  • Disconnect propeller shaft at rear axle differential.
  • Release center mount.
  • Tie up propeller shaft to underbody.
    IMPORTANT: Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft! 

Disconnect the plug connection (3) from the temperature sensor.

Release the cable clip (2) of the sensor cable (1) from the oil sump.

Fig 1: Identifying Plug Connection, Sensor Cable And Clip

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Disconnect the plug connection (1) from the servomotor of the rear axle differential (2).

Fig 2: Identifying Plug Connection And Rear Axle Differential

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

Fig 3: Identifying Ground Strap And Screw

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Support rear axle final drive unit with special tools 23 4 050 and 00 2 030 .

Fig 4: Identifying Special Tools (23 4 050)

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Unscrew nuts (1).

Remove screws with absorber weight (2).

Installation note: 

Renew screws and nuts (1).

Adhere to the assembly sequence at the end of the information in order to prevent distortion of the rear axle differential during installation and thereby avoid potential complaints about noise.

Fig 5: Identifying Front Adapter Vibration Absorber And Screw

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Slacken nut (1).

Remove screw.

Installation note: 

Replace nut (1).

Adhere to the assembly sequence at the end of the information in order to prevent distortion of the rear axle differential during installation and thereby avoid potential complaints about noise.

Fig 6: Identifying Nut & Screw

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Lower rear axle final drive with special tools 23 4 050 and 00 2 030 .

Fig 7: Identifying Special Tools (23 4 050)

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Release screws (1).

Tightening torque 33 11 4AZ .

Remove adapter (2).

Installation note: 

Replace screws (1).

Fig 8: Identifying Front Adapter And Screws

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Assembly sequence:

1. Press rear axle differential (2) to the top with workshop jack and special tool 23 4 050 .
2. Screw in screw and new nut (3) (do not apply tightening force).
3. Screw in new screws with absorber weight and new nuts (1) (do not apply tightening force).
4. Release tensioning strap and lower special tool 23 4 050 and move away.
5. Apply tightening force to screws and nuts (1).

   Tightening torque 33 17 1AZ .

   Fig 9: Identifying Rear Axle Differential Screw And Nut

   Courtesy of BMW OF NORTH AMERICA, INC.
6. Apply tightening force to screw and nut (3).

   Tightening torque 33 17 2AZ .