Here is the authoratative post for your questions: http://www.xoutpost.com/articles/all...ystem-faq.html

1) MKIV
2) Yes, 4-1/00 on the V31 or V32 release CD

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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