your dvd nav and cd changer are missing. you need to replace the nav unit but i'd go with the dice ipod instead on the lousy 6 cd changer. i have a dice ipod setup. i'll give it to you for 1/2 price.

ebay. here's a nav unit BMW GPS DVD NAVIGATION COMPUTER UNIT E38 E39 E53 X5 - eBay (item 280619153757 end time Jan-27-11 21:07:42 PST)