11 53 000 Removing and installing or replacing coolant thermostat (M57T2-SCR)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Drain coolant . See 17 00 005 DRAINING AND ADDING COOLANT (M57T2) or 17 00 039 VENTING AND FILLING COOLING SYSTEM WITH VACUUM FILLING UNIT .
Remove FAN
Remove EGR COOLER

Recycling:

Catch and dispose of coolant in a suitable expansion tank.

Observe country-specific waste disposal regulations.

Lever out lock (1)

Lever out lock (2) and detach coolant hose.

Release screws (3).

Carefully remove thermostat housing to one side.

Risk of damage to coolant pipe (1).

Fig 1: Identifying Coolant Pipe Lock And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The coolant thermostat is integrated i the coolant thermostat housing and can only be replaced as a complete unit.

Installation note:

Clean sealing surfaces.

Replace gasket (1).

Fig 2: Identifying Coolant Thermostat Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Assembly engine.