I have a B6 A4 1.8T 6M. The nav system isn't the problem, my buddy is building a fiberglass housing to go on top of the dash for the monitor, and then having the nav system itself in the glove box. (Kenwood DV4100___its tiny). The question is, does the factory system have an auxillary output? (Bose System) Because I want to add a DVD player in the glove box also.