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

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Special tools required:

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only approved transmission oil. Refer to OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the transmission.

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 .

IMPORTANT: Do not drive on flange.

Secure collar nut with Loctite 243.

Loctite 243: BMW Parts Department.
Tightening torque: 23 21 1AZ .

Fig 1: Removing Collar Nuts With Special Tool 24 2 380
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: Removing Output Flange Using Special Tool (33 1 150) And Adapter Plate (33 1 154)

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: Pushing Special Tool Over Output Shaft

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: Installing Radial Seal Using Special Tool (23 3 230)

Courtesy of BMW OF NORTH AMERICA, INC.