LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Dual-Clutch Transmission (DCT/DKG) - Repair -- M4 (F82 & F83) >> 28 60 Control Unit, Mechatronics, Hydraulics >> Replacing O-ring for wiring harness (GS7D36SG)

Replacing O-ring for wiring harness (GS7D36SG)

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 work: 

Removal: 

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).

G13803239Courtesy of BMW OF NORTH AMERICA, INC.

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).

G09848872Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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 installed state).
G09860055Courtesy of BMW OF NORTH AMERICA, INC.

Slide the sealing cup into the transmission housing.

Screw in screw (1).

G09848871Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: