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      10-23-2012, 03:12 PM   #16
dropstart67
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Drives: 2013 M5
Join Date: Sep 2012
Location: So Cal

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i had experienced the crackling sound right after taking delivery of the car and from what I remember - it was when I was using the Aux port. I have the B&O sound option. But after parking and re-starting the car later, it went away. I haven't experienced it again yet but then again - the car hasn't seen much road time during the stop-drive order for the oil pump. Now that it's fixed...I'll be driving it more.
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