Quote:
Originally Posted by Ascari
Hi guys, my 08 M Sport X3 has a few quirks at the moment. We had a random 4x4 and airbag light go on recently, and BMW looked at it when doing an oil change and no issue; the problem went away. Now it's back, and in conjunction the engine cooling fan appears to be running at full speed on start up, despite the engine being cold. We have been monitoring engine temp, no issue there, all normal. Seems like some sort of sensor issue; was wondering whether anyone had something similar before I take it in for the no doubt expensive diagnosis? Thanks, in advance
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most likely fan blade clutch gone bad. same problem on my E46 with the M54 engine.