http://www.e90post.com/forums/showthread.php?t=136627
look at post #20...those are breyton gts wheels...i've seen them in real life and they are absolutely wonderful.
look at post #35 for 20" version of the same wheel.
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Current: 2013 F10 M5 & 2016 Mini JCW
2013 GLK350 (gone), 997.1 GT3RS (gone), 2009 WRX STI (gone), e92 M3 (gone)