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Originally Posted by NY-4.8IS
So, gor a 2006 X5 4.8is (production date is Oct of 2005), what hardware nav do I have (MKIV I hope)? What is the newest nav DVD available and is there a step-by-step to tell me how to update firmware for my system (what types of disk to use for firmware and nav DVD + or - disks?
P.S. Will changing the firmware affect my factory bluetooth set up?
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Before you start, go into Settings and look at the top right corner of the screen. That's the software version. First digit = Mark #
Last 2 digits = software version
eg, using the latest software version as examples:
Mk3 = 3-1/63
Mk4 = 4-1/100 (displays only last 2 digits of 100)
If you don't have latest SW then load standard BMW software before you start playing.
Upgrading nav SW will not impact bluetooth