I've got 3M Crystalline on my car. The installer used to do Huper and says this is much better stuff when it comes to performance, but also easier to put on without flaws. I really like mine and it has made a huge difference in cooling down the car.
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1988 BMW M3 - Hennarot/Black
1990 BMW M3 racecar - Diamond Schwarz/Black
1998 BMW M3 - Alpine White/Mulberry
2011 BMW 328i racecar - LeMans Blue/Black
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