BMW Fascination Mobility, BMW AG
BMW's stupendous Art Cars at BMW compass
BMW of North America, Inc.
BMW Car Club of America, BMW CCA
BMW M Car Fan's Moss' BMW Experience
bimmers.com Home of the 02 FAQ.
Niclas BMW Page The ultimate link page.
Ben Liaw's BMW Links A mega list of links.

Other marques:

An Aston Martin web site. Not sanctioned, but decent.
The Ferrari web site. As beautiful as the automobiles.
The Jaguar web site. Grace...Pace...Space.
A Lamborghini web site. Not official, but substantive.
A Maserati web site.
The Mercedes Benz AG site. An example of German austerity.
The Porsche Cars North America web site. There is no substitute.