I have a Zune, and it does not work in my 6FL. Perhaps the upcoming new 2.0 Zune software may help, but I doubt it. I just use 4GB USB memory stick for music in the car instead, and I am very happy with that.

__________________
2007 X5 - 3.0, Space, Black Nevada, Bamboo, Premium, Tech, Rear Entertainment, Running Boards, 3rd row, Sport. - BMW buy-back
2007 X5 - 3.0, Space, Black Nevada, Bamboo, Premium, Tech, 3rd Row, Sport, Comfort Seats, iPod - ordered since 8/8/07, arrived DOA 10/23/2007
2008 Acura MDX Tech Entertainment...11/07-04/08 LOL!
2008 X5 - 4.8, Space, Black Nevada, Bamboo, Active Seats, Premium, Tech, 3rd row, iPod, Sport w/20's

2007 335i Sedan - Graphite, Gray Dakota, Aluminum, Tech, Sport, iPod.