1995 BMW 320 Thermostat Changing

Partially drain the coolant. Save the coolant in sealed containers if being reused or dispose of safely.
Remove the 3 bolts on the thermostat housing located at the intake side of the engine.
Pull the thermostat housing off and remove the thermostat. Note the positioning of the thermostat.


To install:

Replace the thermostat with the support bar facing out. Replace the O-ring.
Install the thermostat housing and torque the bolts to 6-7 ft. lbs. (8-10 Nm).
Fill the cooling system with coolant mixture and bleed.