Claying may help remove what is left of the contaminants, but it has likely etched into the clear some, so you'll need to polish to fully remove the marks. Head on over to the detailing section for more tips/info.
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'11 BMW E92 ///M3 - ZCP and DCT
'15 Ford F-250 - Lariat, 6.7 Powerstroke Turbo-diesel
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