17 12 010 Remove, install/remove coolant pipe at the front axle (N20, N54, N54T)

Necessary preliminary tasks: 

• Remove LEFT CHARGE AIR DUCT .
• Drain COOLANT .

Release screws (1).

Tightening torque 17 10 5AZ .

Unlock and detach the coolant pipe from the expansion tank (2).

Unlock and detach the coolant pipe from coolant thermostat (3).

Unlock coolant pipe from the coolant hose (4) and detach.

Feed out coolant pipe and remove.

Fig 1: Identifying Coolant Hose, Screws, Expansion Tank And Coolant Thermostat Coolant Pipes

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Top up COOLANT .

Check COOLING SYSTEM FOR LEAKS .