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1991 318 is

2K views 4 replies 5 participants last post by  BMWLOVE100 
#1 ·
i am having a problem with overheating and have to heat inside car. already changed the thermostat aand flushed system.
 
#4 ·
check your fan clutch they dont last too long if their not original and check to make sure that the coolant is bled all the way through the system to the thermostat by using the bleeder knob on top of the thermostat cavity. If there is only air in the thermostat it will not engage and let colder weater from the radiatior circulate through the engine.
 
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