Originally Posted by tshields2

Yes it is an OEM part an here is a link that shows you how to install it if you are interested. As far as the part number, this link lists the part number for the aluminum piece. I don't remember the number for the matte chrome version that I had, but it should be fairly close to the one listed.

http://www.bmw330ci.com/DIY_Steering_Trim.htm