Removing and installing/replacing right auxiliary radiator (S55 engine)

Only perform this repair work after engine has cooled down.

Necessary preliminary tasks: 

• Follow notes for CARRYING OUT REPAIR WORK ON THE COOLING SYSTEM .
• Removing front WHEEL ARCH COVER (front section), right
• Drain COOLANT .

Removal: 

Unlock and release coolant lines (1).

Catch and dispose of escaping coolant.

Release screw (2).

Lift auxiliary radiator (3) off of rubber mount.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Insert auxiliary radiator (3) in rubber mount and install.

Tighten screw (2).

Tightening torque 17 10 6AZ .

Connect and lock coolant lines (1).

The coolant lines (1) must audibly engage.

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: 

• Install front WHEEL ARCH COVER (front section), right
• Bleed and fill COOLING SYSTEM (HIGH-TEMPERATURE COOLING CIRCUIT)  with vacuum filling unit.