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      12-19-2008, 05:13 PM   #3
J08M3
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Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

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Yes everybody claims this is because air comes out of that vent unless at full throttle. But I don't think that's exactly right. I think it's just getting blown up towards the windshield from the air passing over the front of the car while driving.
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