28 60 025 Replacing O-ring for wiring harness (GS7D36SG)

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only the APPROVED TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the twin-clutch gearbox.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Remove TWIN-CLUTCH GEARBOX .

Transmission must be cleaned around the sealing cup to prevent dirt penetration.

Failure to comply with this instruction may result in serious damage to the twin-clutch gearbox!

Release screw (1).

Fig 1: Identifying Screw

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Pull out sealing cup (1).

Remove sealing ring (2).

Clean sealing cup (1).

IMPORTANT:

Risk of damage!

Pull out sealing cup only up to first edge (broken line).

Fig 2: Pulling Out Sealing Cup For Removal Of Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Attach new sealing ring (1) to sealing cup.

Carefully pull sealing ring over screwing flange and install.

IMPORTANT:

Inside and outside of sealing ring (1) have sealing lips of different heights (2).

The higher sealing lips must point outwards (rest on the transmission housing in the pre-installed state).

Fig 3: Attaching New Sealing Ring To Sealing Cup

Courtesy of BMW OF NORTH AMERICA, INC.