Unofficially what you are seeing today is a Hybrid of M3 and M3 CSL , Both of these cars will enhance their status by differing exterior elements of the design and an upgraded V8 for the CSL .
Hope that answers your questions without compromising my neck!
later this month we commence photography and film shoot on the production car which will take in some exotic locations such as back to Dubai and Iceland and the A87 in Scotland. The car in production form will have it's official press release in the 2nd week of July prior to it's official debut at the IAA in Frankfurt this Septemeber.