i need a to know which pulley on my engine seized up, if you could help, that would be great. it's the part that spins the fan. i think i know what it is but i want to make sure before i order the wrong part.

you can check shogun's site for some answers or hopefully, he'll chime in soon: http://tridem.han-solo.net/auto/erich/auto.htm
another good forum: http://www.bimmerboard.com/forums/e32/

Go to my website, scroll down to the bottom and click on

V12-Pic

There is the best explosion view of a V12 M70 engine.

And use this one
http://www.realoem.com/bmw/select.do?PHPSESSID=2f576ced29477680ec938848d4d39e a1