09-01-2014, 12:52 PM
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#11
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Major
Drives: 2015 M3, 2008 135i, 2009 335i
Join Date: Feb 2014
Location: WI
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I've heard that since the covers themselves warp and once you take it off to replace the gasket, most times it will never seal correctly again. It's advised to replace the whole cover at the same time.
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