17 22 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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 10 4AZ .

Pull off transmission oil cooler (2) for automatic transmission in upward direction from fan cowl.

Fig 1: Identifying Transmission Oil Cooler And Screw

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NOTE: To unlock the transmission oil lines, push the transmission oil line connection to the stop of the transmission oil cooler connection and unlock the lock (2) in the direction of the arrow.

Fig 2: Detaching Lock

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Release and disconnect coolant hoses (1).

Unlock transmission oil lines (2) and detach.

Unthread and remove transmission oil cooler.

Fig 3: Identifying Transmission Oil Lines And Coolant Hoses

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