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Hey everyone,
so I bought a car that had been in a front end collision. After replacing radiator, hood, fenders, I've found that the cooling fan runs at full speed while the car is running and never turns off until the car is off. While the shroud is cracked from the collision, the fan blades and motor are completely intact. The engine temp on the instrument cluster reads average temps so I can't imagine why it would need to run constantly (even at start up). I've looked around there seems to people with similar issues (although not exactly the same) saying that the thermostat or temp sensor in the radiator hose is bad, water pump is going (car has 76k miles), or maybe just the fan needs to be replaced. Any suggestions as to how to narrow this down and diagnose it?
Thanks!
ps the car is a 2008 328xi with the N51 engine
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