I'm not sure it's necessary to update the core systems of the vehicle in order to update the navigation. I believe any firmware change to the navigation system is included with a new navigation DVD. Certainly the car I installed a disc into at Audis In The Park on Sunday ran through some updates when we installed a 2013 map update DVD.
Assuming you have MMI 2G high with a navigation DVD drive hidden behind the panel in the boot on the left side as you look at it I can supply an up to date navigation map DVD that will update the firmware for the nav as well.
PM me if interested.
Adrian
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD===
2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus
2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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