hey, you're in my backyard! Well you can check the sticker in the door jamb. It's a 99 so it's either going to say Z3 2.3 or Z3 2.8.
Also if you have the VIN use the last 7 at this website, it should fill you in. http://bmwvin.com/
Last edited by amancuso; 08-03-2012 at 09:52 AM.