17 11 370 Removing and installing/replacing cooling loop for hydraulic steering (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.

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

IMPORTANT: When carrying out repair work on the oil and cooling circuit, protect the alternator against dirt contamination.

Cover alternator with suitable materials.

Failure to comply with this procedure may result in an alternator malfunction.

Necessary preliminary work

Remove FAN COWL .

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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Remove circlips (1).

Unlock lines (2) and detach from cooling loop.

Press in latch mechanisms (3) and pull cooling loop upwards.

IMPORTANT: Catch and dispose of emerging oil.

Installation note:

Reinstall circlips.

Fig 2: Identifying Latch Mechanisms, Lines And Circlips

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Release lock (1) in direction of arrow.

Lift out oil cooling loop (2).

Fig 3: Lifting Out Oil Cooling Loop

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After completing this repair work, check the oil level in the oil reservoir of hydraulic steering. See BLEEDING POWER STEERING UNIT . For vehicles with dynamic drive, see BLEEDING POWER STEERING (WITH DYNAMIC DRIVE) .

If Dynamic Drive is fitted in the vehicle, execute START-UP WITH A TEST RUN .

Reassemble the vehicle.

Check hydraulic steering for leak tightness.