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      01-22-2013, 04:36 PM   #23
ChrisK
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Drives: '18 M2 ?? (On a List)
Join Date: Jun 2007
Location: IL

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2015 BMW X1  [0.00]
2017 BMW M2  [0.00]
2015 Porsche Macan S  [0.00]
It definitely could be something rubbing and the resonance is transferred into the cabin. I'm not sure its directly behind the Nav, the sound seems to move.

As I said before, the sound is gone since it got so cold (-1 F)