17 22 010 Removing And Installing/Replacing Transmission Oil Cooler For Automatic Transmission (N20 / N26) AWD

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IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary tasks:

Drain COOLANT .

Recycling

Catch and dispose of drained coolant in a suitable container.

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

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

Observe country-specific waste disposal regulations.

Release screw (1).

Tightening torque: 17 22 4AZ .

Fig 1: Screw Of Transmission Oil Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock transmission fluid lines (1) and detach from gearbox oil cooler.

Unlock coolant hose (2) and detach from gearbox oil cooler.

Pull off and remove transmission oil cooler (3) to the top from fan cowl.

Fig 2: Transmission Fluid Lines, Coolant Hose And Oil Cooler

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine.
Check OIL LEVEL in automatic transmission. If necessary, top up automatic transmission oil.