23 12 059 Replacing radial shaft seal for output flange (GS6-53BZ/DZ)

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT: After completion of the work, check the 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 propeller shaft.

Tasks are described at "Removing the PROPELLER SHAFT ".

Brace output flange with special tool 23 0 020 .

Undo collar nuts with special tool 23 0 200 .

Installation note:

Mark flange with thermo crayon and heat to min. 80°- 100°.

WARNING: Risk of burning! Fit flange with suitable protective gloves only.

Fig 1: Removing Collar Nut Using Special Tool (23 2 320)

IMPORTANT: Do not drive on flange.

Secure collar nut with Loctite 243.

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

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

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

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: Releasing Screw On Special Tool (23 3 210)

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: Turning Screw Into Special Tool (23 3 210)

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 Seal Using Special Tool (23 3 230)