E39 Bmw M3 Csl >supercharged<

http://youcarz.com/video.aspx?id=175

Light weight M3 and to top it off the guy sticks a supercharger under the hood. Watch this puppy fly.

Does anyone know what kinda supercharger lurking underneath?

(http://youcarz.com/video.aspx?id=175)

Dont know about the supercharger, but the car is´nt a E39 its a E46. E39 is a 5 series.