Quote:
Originally Posted by SGxi
I don't know about the E9x, but with my parents' Audi, when the engine is running hot (especially w/ A/C on full blast in hot days), there is an auxilary fan that kicks.
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yeah, it's the aux fan for the rad. if you turn your engine off with the window down you can hear it turn off after the engine turns off. When this kicked in on my E46 it 'sounded' like a more powerful engine on the hwy.