They are probably some jap company wheels. Found the link for it here: http://www.fame-web.com/shopping/uni.../WHWFGT03.html
They cost $5000+ CAD and that is all before shipping. Might as well go for a set of HRE haha.
Here is a link for more pics of the E92 M3 white on white: http://minkara.carview.co.jp/userid/.../blog/c234693/
Btw, did u go with CF or non-CF roof?