23 12 061 Replacing radial shaft seal for output flange (GS6-45BZ/DZ)

Special tools required: 

• 23 0 020
• 24 2 380
• 33 1 150
• 33 1 154
• 23 3 210
• 23 3 230

Necessary preliminary tasks: 

• Remove CROSS MEMBER .
• Partially remove PROPELLER SHAFT .
  • Disconnect propeller shaft at transmission.
  • Release center mount.
  • Tie up the propeller shaft to the vehicle underbody.
    NOTE: Bending the propeller shaft by an excessive angle can cause premature damage to the joint/propeller shaft!

Brace output flange with special tool 23 0 020 .

Undo collar nuts with special tool 24 2 380 .

Secure collar nut with Loctite 243.

• Loctite 243: BMW Parts Department.
• Tightening torque: 23 21 1AZ .
  Fig 1: Bracing Output Flange With Special Tool (23 0 020)

  Courtesy of BMW OF NORTH AMERICA, INC.

Detach output flange (1) with special tool 33 1 150 and adapter plate 33 1 154 from output shaft.

Fig 2: Detaching Output Flange With Special Tool (33 1 150)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on special tool 23 3 210 .

23 3 210 Push special tool over output shaft and screw firmly into sealing ring.

Fig 3: Screw And Special Tool (23 3 210)

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw into special tool 23 3 210 again and continue turning until sealing ring is pulled out of transmission housing.

If necessary, remove ring spring of sealing ring.

Fig 4: Inserting Screw Into Special Tool (23 3 210)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Coat sealing lips of new radial shaft seal with transmission oil.

Drive radial shaft seal fully home using special tool 23 3 230 and plastic hammer.

Fig 5: Driving Radial Shaft Seal Using Special Tool (23 3 230)

Courtesy of BMW OF NORTH AMERICA, INC.