I do not think that I have every seen anything that early available for download anywhere. I know that a number of folks do have it, but I am not sure who. (Maybe the founder of X5World has it in archive.)

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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