Here is a post that tells you about the different SW versions, talks about how to do an update, and has links to the image downloads.

http://www.xoutpost.com/articles/all-...ystem-faq.html

You can update with any distribution OS from V22 and up. The MKIII software on all those disks is identical.

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SOLD
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