Some of my favorite links.
Tarheel Sports Car Club
A very useful rally event database. Also a site about a local (Raleigh, NC) rally team.
A great website to see what SCCA Solo class your car is in.
Live for Speed: an awesome racing game
Another great free racing game, from Holland.
Some BMW website with a great domain name
Turner Motorsports: Go fast stuff for BMWs
Sports Car Club of America
BMW: The Ultimate Driving Machine
Bavarian Autosport: BMW parts and accesories
VIR: The best racetrack on the US east coast