17 11 370 Removing and installing/replacing cooling loop for hydraulic steering (S63)

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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 tasks:

Remove FAN COWL .

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

Tightening torque: 5 Nm

Release screws (2) behind sealing lip.

Tightening torque: 5 Nm

Lift out cover (3).

Fig 1: Identifying Cover And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove circlips (1).

Unlock lines (2) and (3) and detach from cooling loop.

IMPORTANT: Catch and dispose of emerging oil.

Installation note:

Reinstall circlips.

Fig 2: Identifying Lines With Circlips

Courtesy of BMW OF NORTH AMERICA, INC.

Lift out oil cooling loop (1).

Fig 3: Identifying Oil Cooling Loop

Courtesy of BMW OF NORTH AMERICA, INC.

After completing this repair work, check OIL LEVEL in oil reservoir of hydraulic steering and fill if necessary.

Reassemble the vehicle.

Check hydraulic steering for leak tightness.