17 11 370 Removing and installing/replacing cooling loop for power steering

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger of scalding!

Only perform this work after engine has cooled down.

IMPORTANT: When working on the oil, coolant or fuel circuit, you must protect the alternator against contamination.

Cover alternator with suitable materials.

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

Necessary preliminary tasks:

After completing this operation, check Fluid Level In Tank Of Power Steering System.
Remove (N51, S65) or (N45, N46, N52, N52K, N53) radiator

Press lines (1) in direction of cooling loop, pull black locking ring towards rear. Keep locking ring pressed and detach lines (1) from cooling loop.

IMPORTANT: Catch and dispose of emerging fluid.

Press lock (2). Pull cooling loop (3) of power steering towards rear out of holder.

Fig 1: Cooling Loop, Lines And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock seal (1) in direction of arrow and remove.

Release screw.

Fig 2: Power Steering Cooling Line Seal, Mounting Screw And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Remove A/C condenser towards rear top from fixtures.

Carefully tilt condenser (1) in direction of engine, taking care not to damage the condenser or lines in the process.

NOTE: Lines of A/C system remain connected to condenser.

Pull cooling loop (2) of power steering out of module carrier and remove.

Fig 3: Condenser, Power Steering Cooling Loop And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.