17 21 020 Removing and installing/replacing transmission oil cooler (DKG) (N54)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Danger of scalding!

Only perform this work after engine has cooled down.

Necessary preliminary tasks

Recycling

Catch and dispose of drained coolant in a suitable container.

Transmission fluid emerges when fluid lines are detached from transmission fluid cooler.

Catch and dispose of escaping transmission fluid in a suitable container.

Observe country-specific waste-disposal regulations.

Release and disconnect coolant hoses (1).

Unlock transmission fluid lines (2) and detach.

Release screw (3).

Tightening torque 17 10 6AZ .

Remove transmission fluid cooler (4).

Fig 1: Identifying Coolant Hoses And Transmission Fluid Lines With Heat Exchanger

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine.

CHECKING OIL LEVEL in twin clutch gearbox. If necessary, fill with transmission oil.