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      01-14-2013, 10:28 PM   #12

x5mad's Avatar
Drives: F30 328i
Join Date: May 2009
Location: Australia

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I would use clay bar. Remember there are different grades of clay bar from fine to coarse. Sounds like you may need the coarse one but whichever you will need to polish afterwards (preferably machine polish) then seal with either wax or sealant.