V31 newbie
i have been following up the threads about the software upgrades and decided to try it...
i have the following display on my nav screen - 4 1/30 which i'm assuming i have MKIV version 23
i have downloaded v28 and v31 but i keep getting error message on my display "incorrect cd/dvd"
Can i get some help, please....one more note - Canadian X5 E53
Thanks in advance!
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