from the dealer.
You can buy a repair manual CD from BMW for the E31
part number 01 99 0 033 442
in DE/EN/FR/ES
Price EURO 105,60 in Germany (for example)
http://www.clube31.de/files/intern%5...clubordner.jpg
http://www.clube31.de/files/intern%5...clubordner.jpg
Link from my website
http://www.e31faq.com/index.htm