4 links
BMW E34 5 Series Website
bmwe34.net
1989-1995 E34 frequently asked questions, maintentance, troubleshooting, and general information.
BMW E39 540i 6-Speed site
540i6.com
Provides information regarding modifications, including a "stealth" V1 install, pictures, cool tools, and related links.
Firstfives
firstfives.org
BMW E12 registry. Includes forums, technical information, photo archive, and classifieds.