I just heard that this new site www.bmwtoolkit.com has tons of stuff. I was just looking through it. Not only does it have a free ETK like Realoem.com but it will cross match it for you if you click on the item like tell you what other cars that part came from or will go to and fit.

http://www.bmwtoolkit.com/index.php?...tpage&Itemid=1