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

Special tools required: 

• 23 0 020
• 2 360 126
• 33 1 150
• 33 1 154
• 23 3 210
• 23 3 230

Attention! 

After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary work: 

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

Removal: 

Brace output flange with special tool 23 0 020.

Undo collar nuts with special tool 2 360 126.

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

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Release screw on special tool 23 3 210.

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

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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.

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Installation: 

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.

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Mount output flange.

Brace output flange with special tool 23 0 020.

Insert collar nut using bolt lock, Loctite 243, (sourcing reference BMW Parts Department).

Position collar nut using special tool 2 360 126 and tighten.

Tightening torque: 23 21 1AZ .

Courtesy of BMW OF NORTH AMERICA, INC.