Here's a pretty good list of MKIV part numbers. There are more, but this will get you started.

http://www.xoutpost.com/navigation-sy...ers#post142913

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2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input