m20 supercharger

i was wondering does any one know of any kind of supercharger kits for the m20 motor. I have a 91 325i and i can't find a dam thing about supercharging this thing. I know all about the swaps, and turbos but i would like the supercharger. if anyone has any info i would love to hear it thanks

www.lowendesign.com has a pritty sick looking kit for the M20.

thanks for the link but my poor baby was totaled by some lady tailgateing it is gone forever RIP maybe i will get an m3