Nice, now you need M3 body kit and mirrors, maybe tiered exhaust too.
There is a company that makes turbo kits for BMW (
www.mosselmanturbo.com ). I dont know what model Bimmer you have, but here is a link from a shop trying to sell one for cheap in eBay (BTW, these kits are complete, include 35% nickel manifold, intercooler, etc)...
For 325/328:
http://cgi.ebay.com/ebaymotors/ws/eB...category=33742