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      01-29-2013, 01:35 AM   #4
harkirath
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Drives: 2009 335i e90
Join Date: Sep 2012
Location: Sacramento, CA


Posts: 75
iTrader: (1)

I have had this too. I brought it up to my SA and he said that sometimes the computer just sends out a signal and you hear the audio power up for a min then go back off.