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auxillary fan
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  1. E39 (1997 - 2003)
    Okay so I have a 1998 540i and I washed the engine bay. After I washed the engine bay I started the car to warm up the bay and dry up all the water. It started normally and a few minutes later the auxillary fan came on and was running at full speed. It has been two days and it still runs at full...
  2. X5 E70 (2007 - 2013)
    I recently noticed that the fan makes noise when I turned on AC and found out finally it was caused by a broken part of the plastic fan. I sent my car to a local maintenance shop in Toronto to have a check and was told that fan had glues on it and apparently has been repaired before. Two months...
  3. E60 / E61 (2004 - 2010)
    Ok, so I need some opinions here. I have a 2005 530i. While the car is idle/stopped the a/c blows but not cold. Seems like it's just outside air coming in. Once I'm on the highway it blows cold. I've read somewhere on here I believe that it could be just as simple as the auxillary fan switch...
  4. E46 (1999 - 2006)
    Hi everyone, I realise that this may be difficult to diagnose but I will give it a try. Over the last couple of weeks I have heard a strange blowing noise coming from the engine compartment. It only occurs when the car is warmed up and takes off from a stop. It doesn't make the noise every...
  5. E39 (1997 - 2003)
    2 weeks ok i replaced my clutch fan and expansion tank after i had an over heating episode. now my Aux fan will come on after car is shut off and run untill the battery is dead. The Aux fan is also very loud and sounds like a small aircraft ready to take off. help me out here please
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