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      04-24-2012, 09:16 AM   #6
CJ421
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Drives: 2017 F30 340i
Join Date: Feb 2011
Location: Philadelphia, PA

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Yes the BMW metallic paint is rock hard. I had some minor surface marring and used a 7424XP, orange pad and M105. Didn't do as good of a job as I wanted. I needed a stronger and smaller pad; for next time I bought a 4" backing plate and some yellow pads.

And lighting is absolutely critical ... I used sunlight but resorted to a flashlight for the sides of the car. PITA. Next time I will buy a 3M sun gun.
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2017 BMW 340i (F30) - M Sport, Mineral Gray/Coral Red, 6MT
Past: 2011 335i (E92) - M Sport, Le Mans Blue/Black, 6MT