Check this thread...

STiCKY PLEASE: What to Know when buy a E36 M3 by :Sonic A (good start) - Bimmerforums - The Ultimate BMW Forum

Also, log onto baybimmers.com and floridagerman.com

I'm sure you'll find some more good info here...

United Bimmer - BMW Enthusiast Community and Forums : Bimmer Technical Help <---- GREAT

BMW DIY (Do It Yourself)
E36 Problem Areas

Any questions just shoot pm

-Mitch