17 11 370 Removing and installing/replacing cooling loop for power steering (N54, N52, N52K, N51, N53)

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 coil (2), pull back locking ring towards rear. Keep locking ring pressed and detach lines (1) from cooling coil (2).

IMPORTANT: Catch and dispose of emerging fluid.

Fig 1: Lines And Cooling Coil

Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 2: Cooling Coil Seal And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Press lock (1) upwards.

Carefully tilt condenser (2) in direction of engine, taking care not to damage the condenser or lines in the process.

Fig 3: Condenser, Lock And Removal Directions

Courtesy of BMW OF NORTH AMERICA, INC.

Press lock (1).

Unclip cooling coil (2) from holder (3) and remove.

Fig 4: Cooling Coil, Holder, Lock And Removal Directions

Courtesy of BMW OF NORTH AMERICA, INC.