A good visual upgrade for your car would be the carbon rear difuser! OEM BMW part from a dealer. I fitted one to my Coupe when I had one. I really liked the look after. Not too bad a job to fit either!


I did a thread about the fit on here:
http://www.z4-forum.com/forum/viewtopic.php?f=28&t=9619&hilit=carbon&start=15


I did a thread about the fit on here:
http://www.z4-forum.com/forum/viewtopic.php?f=28&t=9619&hilit=carbon&start=15

