Removing and installing coolant feed line to exhaust turbocharger (S55 engine)

• Remove CARBON STRUT .
• Remove right-hand INTAKE SILENCER HOUSING .
• Remove top rear AIR DUCT .
• Remove bottom rear AIR DUCT .
• Remove CHARGE AIR DUCT  for cylinders 4-6.

Disconnect coolant line (3) from auxiliary coolant pump.

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Remove bottom coolant feed line (2).

Tightening torque: 11 53 4AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque: 11 53 4AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Replace coolant feed line (1) O-ring (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Top up COOLANT .