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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Double Clutch Gearbox - Repair) >> 00 Double Clutch Gearbox (DKG) >> 28 02 020 Removing and installing or replacing transmission oil sump (GS7D36SG)

28 02 020 Removing and installing or replacing transmission oil sump (GS7D36SG)

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Remove transmission oil sump only after it has cooled down.
It is essential to adhere to conditions of absolute cleanliness.
Any dirty parts must be cleaned before the hydraulic cap is loosened.
After completion of work, check oil level . .
Use only the DCTF-1 Pentosin (P/N 83 22 2 147 477).
Failure to comply with this instruction will result in serious damage to the twin-clutch gearbox.

Recycling 

Catch and dispose of escaping transmission oil.

Observe country-specific waste disposal regulations.

Necessary preliminary work 

Remove oil drain plug (1).

Tightening torque, see 28 00 3AZ in 28 00 DOUBLE CLUTCH GEARBOX .

Drain off transmission oil.

Fig 1: Identifying Oil Drain Plug
G06905080Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew all bolts.

Remove transmission oil sump (1).

Installation note: 

Clean sealing ring groove with fluff-free cloth.

Installation note: 

Insert screws until contact with screw heads is made.

Screw down to torque in specified sequence (1-14).

Tightening torque, see 28 00 4AZ in 28 00 DOUBLE CLUTCH GEARBOX .

Fig 2: Transmission Oil Sump Bolts Tightening/Loosening Sequence (GS7D36SG)
G06905081Courtesy of BMW OF NORTH AMERICA, INC.