Thread: Water marks
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      12-03-2012, 12:12 PM   #12
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Drives: a slow 2009 e90 335i
Join Date: Jun 2011
Location: Chicago

Posts: 3,663
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2009 e90 335i  [3.20]
Use Blackfire Wet Diamond sealant after polish. I park at the airport monthly and used to have water spots all the time, drove me nuts, even on my Sparkling graphite 328. I started using this in the Summer and no more water spots after parking at the airport, regardless of the amount of time. Good stuff

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