As you might already know, Msport doesn't add anything to the performance. However, I do like how Msport looks for more sportier than non Msport model. I had M6 in mind but went to 650i Gran Coupe xdrive because I wanted AWD. Link below has pictures of non Msport model.
http://www.autoguide.com/gallery/gal...upe-4.jpg.html