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      05-23-2011, 02:57 PM   #3
Bandini3
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Drives: 535xi, 435xi
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That Metallic called Xirallic

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Originally Posted by F10550xi View Post
Does anyone with Sophisto Gray have experience getting parts painted? The paint has some additive in it called Xirallac from Merk Chemicals. I need to have my rear bumper repainted and am wondering if body shop will be able to match and procure the additive.
I looked up Xirallic out of curiosity the other day. Xirallic pigments include special highly reflective aluminum oxide flakes or particles. The product is described here: http://www.merck-chemicals.com/pigme...wAAAEWg8UfVhTn

Xirallic is used by various paint manufacturers to supply auto manufacturers with metallic colours that meet their individual specifications (Ford, GM, Toyota, as well as BMW). I suspect it would be extremely difficult to achieve a decent colour match unless you use the same paint supplier and mix that BMW uses at its factory. A slight variation in the concentration of Xirallic or the other components will undoubtedly affect the appearance. I would recommend trying to purchase the paint through BMW.

Merck produces Xirallic at a factory in Japan, which was affected by the recent earthquake. I believe that caused BMW to suspend production of Sophisto Grey, although Merck recently restored production at its plant.

More on the background appears here: http://online.wsj.com/article/SB1000...521120106.html
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