Sticky crud?
Just got my F30 a month or so ago and noticed a buildup of black gooey stuff on both sides of the car in the location shown in the picture. Does anyone else have this? I'm trying to figure out where it is coming from and how to properly clean it.
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2013 F30 335i Sport Line | Mineral Grey | Everest Grey/Black Interior | Premium | Cold Weather | Technology | HK
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