Parts

Alan Golash at BMW1800@aol.com
Alan has used NK parts. You can contact him at BMW1800@aol.com
Bobby Thrash / Strictly German at http://www.strictly-german.com/
Bobby Thrash has used NK parts
Carl Nelson / La Jolla Independent Service, Inc. at http://bimmerdoc.com/
Carl has new and used NK parts. He can be reached at 1-800-466-8184 or 1-858-488-1555 or you can email him at carl@bimmerdoc.com.
eBay and German eBay at http://ebaymotors.com/ und http://www.ebay.de/
eBay is a great source for used and even new old stock Neue Klasse parts. We've found several sellers on German Ebay who are willing to ship internationally and seem to have a time machine that lets them go back to the 1960's and obtain parts. Alta Vista can help you translate.
John Barlow at quikbimmer@aol.com
John has NK and other BMW parts.
Maximillian Importing Co., Inc. at http://www.partsforbmws.com/
Maximillian carries new and new old stock BMW parts, including Mobile Tradition items. They can be reached by email or by phone at (800) 950-2002 or fax at (410) 357-0298.
Walloth u. Nesch GbR at http://www.wallothnesch.com/
New old stock parts supplier in Germany. These people are great to deal with and they will mail you a nice binder-bound catalog for the 1500-2000tii if you fill out a form on their web site. The site lists current specials but the catalog contains a lot more parts that they stock for these cars. You can order via mail or email and they ship orders quickly.

Technical

Andreas Harz at BMW mobile tradition archives can tell you the build date and other information for your car if you politely email him the VIN.
BMW 2002 FAQ at http://www.bmw2002faq.com/
A technical site for 2002 owners, many of the articles can be of help to Neue Klasse BMW owners.
BMW M10 Engine at BMW World
An interesting article about the design and history of the BMW M10 four cylinder engine.

Neue Klasse message board
The official Neue Klasse discussion board!
BMW 2002 FAQ Forum at BMW2002 FAQ
The most popular 2002 message board, with discussions often relevant for Neue Klasse BMW owners.