diy-e36-trunk-wiring-harness-repair
http://www.bmwpugetsound.com/v…ing-harness-repair.42623/

E36 Owners - Check your trunk wiring!

Wayne 962, the author of the DIY book "101 Projects" says:

About 50% of the cars I look at seem to have this trunk wiring harness problem, which can cause door lock problems, gauge cluster problems, and general electrical gremlins.

http://forums.pelicanparts.com…ck-your-trunk-wiring.html