17 21 010 Removing and installing/replacing transmission oil cooler for automatic transmission (N55)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT 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

Remove FAN COWL .

Recycling

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 screws (1) on left and right from cover (3).

Tightening torque 17 10 1AZ .

Release screws (2) behind sealing lip.

Tightening torque 17 10 1AZ .

Lift out cover (3).

Fig 1: Identifying Cover And Screws

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Unlock transmission oil lines (1) and detach.

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

Fig 2: Identifying Transmission Oil Lines

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Remove transmission oil cooler (1), feed out towards top and remove.

Fig 3: Identifying Transmission Oil Cooler

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NOTE: Assemble engine.

Check OIL LEVEL in automatic transmission. If necessary, top up automatic transmission oil.