working in the bodyshop for over 10yrs we would use thinners on stuff like that and comes off easly . just have 1 rag with thinners and a dry rag to wipe it off right away, don`t leave it on any more than a few seconds a time ,just go back and forth with the rags its simple dude. if you leave it on to long you will soften the clear coat. if you do have scratches in the paint you will need to buff em out though.

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2003 bmw x5 3.0i ,219000km build date 2003-08-18