11 53 000 Removing and installing/replacing coolant thermostat (M54)
Necessary preliminary tasks:
- Remove radiator cover. See RADIATOR COVER .
- Remove fan cowl.
- Drain off and top up coolant.
Illustrations show E46.
Pull locks and disconnect water hoses.
Loosen nut (1).
Release screws on thermostat housing, remove thermostat housing.
Installation:
Keep sealing faces clean and free of oil.
NOTE:
The coolant thermostat is integrated in the coolant thermostat housing and can only be replaced as a complete unit.
Installation:
Replace gasket (1).