28 40 020 Removing and installing or replacing clutch support (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:

Remove TWIN-CLUTCH GEARBOX .
Remove CLUTCH .

Remove OIL PUMP (1).

Unfasten screws (2).

There is another screw of the clutch support located under the oil pump drive wheel.

Tightening torque: 11 Nm.

Remove clutch support (3).

Installation note:

Replace screws and seal.

Fig 1: Identifying Oil Pump, Clutch Support Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Before installing clutch support:
Make sure without fail that seal (1) is installed in correct position and piston rings are correctly fitted on drive shaft.

Fig 2: Identifying Drive Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation of the clutch support:

Secure clutch support screw connections in diagonal sequence.

It is mandatory to comply with the specified order of screw connections 1-6.

Tighten all screws to 2 Nm.
Release all screws again by a turn of approx. 180°.
Then tighten fully.

Tightening torque: 11 Nm

Fig 3: Clutch Support Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.