Installing the radial shaft seal of the drive flange

• Version A: 

  Coat the sealing lip of the new radial shaft seal (1) and the sealing surface on the transmission housing with rear differential fluid.

  Drive in the radial shaft seal (1) with the special tool  0 496 596 (33 0 150)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Version B: 

  Coat the sealing lip of the new radial shaft seal (1) and the sealing surface on the transmission housing with rear differential fluid.

  Drive in the radial shaft seal (1) with the special tool  0 495 593 (33 5 080)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Check the dust plate for damage and, if necessary, replace it.
• Clean thread (1) of twelve-edge flange nut (2) with thread file (3).

  The right thread pitch must be ensured! 

• Clean twelve-edge flange nut (2) thoroughly to remove grease residue and adhesive residue.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Top up recessed collar (1) of the twelve-edge flange nut with grease.
• Apply a thin layer of grease to the surface (2) of the twelve-edge flange nut.
  CONSUMABLE SPECIFICATION
  
  

  Lubricating grease Optitemp HT 1 LF

  50 g, Tube

  83230417754

  Courtesy of BMW OF NORTH AMERICA, INC.

• Coat the 5 rear threads (1) of the twelve-edge flange nut (2) with adhesive.
  ADHESIVE SPECIFICATION
  
  

  Adhesive anaerobic Drei Bond 1385

  50 g, Bottle

  83190417376

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten the twelve-edge flange nut (1) until the mark aligns with the bevel drive pinion (2).

  The twelve-edge flange nut (1) must not be tightened beyond the mark! 

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to CHECK/TOPPING UP OIL LEVEL IN THE REAR AXLE DIFFERENTIAL .
• Refer to SECURING THE PROPELLER SHAFT ON THE REAR AXLE DIFFERENTIAL .
• Refer to INSTALLING THE REAR HEAT SHIELD .
• Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
• Refer to INSTALLING REINFORCEMENT STRUT .
• Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .