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Originally Posted by justintmn
I bought my X5 in Jan-2001 with the 4:3 NAV version. Does anybody know what is the latest software version for this kind of NAV system or is it the disk V22 that UCrewX5 mentioned? Any suggestion where I can get the latest software version? Thank you very much for your help, guys.
Justin
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Hi Justin,
The software version of the nav system is independent of the screen itself. It's all based on the nav drive that is located in the left rear compartment. Based on the year of your X5 there is a 99.99% chance that you have the MkIII drive. The highest OS level you can take that drive at this time is 3-1/63, and any disk that is V22 or higher will take your drive to that release level. See
http://www.xoutpost.com/navigation/94...ystem-faq.html for more details.
Jeff