28 60 020 Replacing wiring harness (GS7D36SG)

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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:

Before removing the transmission: Drain off transmission fluid.
Remove TWIN-CLUTCH GEARBOX .
Remove MECHATRONICS .
Remove CLUTCH .

Release screw (1).

Fig 1: Identifying Mechatronics Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque: 6 Nm

Release aluminum screw (6).

Tightening torque: 5 Nm

Installation note:

Replace aluminum screw.

Release combination sensor (2) from housing.

Disconnect connector (3).

Fig 2: Identifying Combination Sensor, Release Cable, Bracket And Aluminum Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Removing wiring harness (4) with earth terminal (5) from housing.

IMPORTANT: Guide earth terminal (5) carefully through transmission connector bore.
Risk of damage to sealing surface.

IMPORTANT: To disconnect the combination sensor connector:
Press lock together in area (1) and simultaneously detach connector.

Fig 3: Identifying Combination Sensor Connector Area

Courtesy of BMW OF NORTH AMERICA, INC.