i'm new to bmw so take it easy, i need to know who makes performance products for bmw other then turnermotorsport, also, what is the stock compresion of an 1993 e36 325i?

You could add a performance chip (see next post- I don't know much about them) or get a free flowing exhaust. A cold intake system should help as well.

try bavarian auto sports.

Check out this site . . . www.dsylva-tech.ca

and read some feedback about his OBD I chip:
http://www.bimmer.info/forum/showthread.php?t=5589
http://bimmer.roadfly.org/bmw/forums/e34/5444041-1.html

Check Out www.understeer.com

also . . . http://dinancars.com/

go to bav auto, i have a 93 325i installed a performance chip, tri flow exhaust,sport springs, cold air intake and, just put on the sterling headers, man does she fly now, took it to 155mph and had about 2000 rpms left.