BMW General Links.

http://www.e12m535i.com/BMW/euro_delivery/euro_delivery.html My own writeup about my wife and I taking delivery of her 2002 BMW 325ci in Europe.
http://www.firstfives.org The website I spend the most time on learning about and helping others with their BMW E12 5-series cars.
http://www.bmwregistry.com/ An excellent website for registering your M-cars. Both of mine are listed on here.
http://www.m5board.com/ A good website for all body styles of M5, the message boards are the most useful.
http://autos.groups.yahoo.com/group/bmwe34m5/ I am active on this mailing list since purchasing my E34 M5 in March of 2005.
http://www.cibieusa.com I purchased my Cibie H1 and H4 headlights from this site for my E12. Gunther is very helpful.
http://germancarbadge.com/ A guy who sells real, vintage car rally badges for European cars. His website and collection are amazing. If you have a vintage European Porsche, Benz, or BMW you should really check and see if the car has a history of rallys. You might find a badge to display proudly on your car's front grill!