11 53 000 Removing and installing or replacing coolant thermostat (N47 D20 O1)

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Necessary preliminary tasks:

Drain COOLANT
Remove front acoustic cover (F10, F11, F07).

Disconnect coolant hoses on thermostat.

Release screws (1) on thermostat housing.

Remove thermostat housing (2).

Installation note:

Replace gasket.

Fig 1: Identifying Screws On Thermostat Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gasket (1).

Fig 2: Replacing Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Fill . See 17 00 039 VENTING AND FILLING COOLING SYSTEM WITH VACUUM FILLING UNIT or 17 00 008 DRAINING AND TOPPING UP COOLANT (N20, N55, N52T, N47 D20 O 1, N57 D30 O/T 1, B47) and bleed cooling system.