BMW 3-Series (E90 E92) Forum - View Single Post

n54door · 10-13-2012, 04:33 PM

is your a/c on? if so turn it off and see if still makes the sound. Inspect your belts too... sounds like a rotating noise to me.

10-13-2012, 04:33 PM	#17
n54door Banned 87 Rep 808 Posts Drives: 09' 135i 6AT FBO - MHD Tuned Join Date: Sep 2011 Location: DFW iTrader: (5)	is your a/c on? if so turn it off and see if still makes the sound. Inspect your belts too... sounds like a rotating noise to me.
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