I ordered a 2003 M3 on saturday. The question I had was how would the navagation system and the indash cd or cassette work ?

from 03', the Nav. system comes w/ CD player that is right behind the Nav. screen.

Thanks

Then you could get this...

http://www.nav-tv.com/gallery/bmwmatrix.jpg

and add a reverse camera...

http://www.nav-tv.com/gallery/reverseimage.jpg