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33 10 036 Removing and installing/replacing adapter on rear axle differential (M6)

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Special tools required: 

Necessary preliminary tasks: 

23 4 050 Position special tool on workshop jack. 00 2 030

23 4 050 Support rear axle final drive unit with special tool.

Secure rear axle differential to special tool 23 4 050 with tensioning straps.

Fig 1: Positioning Special Tool (23 4 050)
G09926893Courtesy of BMW OF NORTH AMERICA, INC.

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 document in order to prevent distortion of the rear axle differential during installation and thereby avoid potential complaints about noise.

Fig 2: Identifying Rear Axle Differential Absorber Weight And Nut
G08484383Courtesy of BMW OF NORTH AMERICA, INC.

Release nut and screw (1).

Installation note: 

Replace nut (1).

Fig 3: Identifying Axle Differential Adapter Nut And Screw
G09926895Courtesy of BMW OF NORTH AMERICA, INC.

Carefully lower rear axle differential.

IMPORTANT: Risk of damage!
Output shafts must not rest on pivot arms!
Watch out for cable lengths!
Fig 4: Supporting Rear Axle Differential
G10061181Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 33 17 6AZ .

Remove adapter (2).

Fig 5: Identifying Adapter Screw
G09926897Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Release screw (1).

Tightening torque 33 11 10AZ .

Remove vibration absorber (2).

Installation note: 

Insert screw (1) with Loctite.

Remove any adhesive residue from the thread.)

Fig 6: Identifying Vibration Absorber Screws
G08484382Courtesy of BMW OF NORTH AMERICA, INC.

Assembly sequence:

  1. Press rear axle differential (2) to the top with special tool 23 4 050 and 00 2 030 .
  2. Screw in screw and nut (3) (do not apply tightening force).
  3. Insert screws with absorber weight and nuts (1) (do not apply tightening force).
  4. Release tensioning strap, lower special tools 23 4 050 and 00 2 030 and move away.
  5. Apply tightening force to screws and nuts (1).
    Fig 7: Identifying Rear Axle Differential Screw And Nut
    G09926899Courtesy of BMW OF NORTH AMERICA, INC.

    Tightening torque 33 17 1AZ .

  6. Apply tightening force to screw and nut (3).

    Tightening torque 33 17 2AZ .