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      01-04-2019, 08:38 PM   #58
MechX3M40i
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Drives: X3 M40i Blue/Cognac
Join Date: Oct 2018
Location: MidWest USA

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Quote:
Originally Posted by Tex94 View Post
I was finally able to test my theory of the cold, dry air causing the glass to shrink enough to rattle. It appears this may be the cause. I drove this morning (cold but still damp) and no rattle at all. Drove this afternoon (cold and dry) and the rattle was back. Applied a generous helping of Mothers Protectant around the moving glass and all of the rubber pieces around the opening and then took it for another drive. No rattles! Very pleased with the result (or will be as long as I don’t need to apply it more than once a month or so).
Good to know you found the solution. I think you are the 2nd one whom reported lubrication worked.
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