I have checked and my local service provider (Telus in Canada) is still only offereing 4.0.2. This version stabilizes the BT connection but still does not allow contact list downloads.

What provider do you use and where did you get the upgrade?

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2005 X5 4.4 (Sterling on Truffle) w/sport everything
2011 Audi S4 (Prestige, DSG)
2012 Audi Q7 (Sport, S-Line)