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      10-27-2012, 06:11 PM   #3
BimmerX62010
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Drives: X6
Join Date: Sep 2012
Location: Sunnyvale, CA

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Is it the original windshield? Check that it has the BMW logo on it.

While driving over 40 mph, have your passenger press the top/side of the windshield where the sound is emanating from and see if it stops.

Either way, could be a bad seal. To verify, you can bluetape the joints and see if the sound stops.
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'10 X6 5.0i with 7RR Performance Package
'04 X5 4.4i with staggered 20" #168

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