Curiously I pressed the concierge button in my 2013 M5 and asked if the map was up to date.
She told me that since I have the convenience plan with google maps, my maps are always up to date.
Not sure if that is true but that's what the BMW rep said.
2014 BMW ///M5 Individual Frozen Grey, Silverstone Full Merino, Piano Black, Exec Pkg, Drivers assistance plus, LED Pkg, Bang and Olufsen, 20" 343M Forged Alloy Wheels
Upgrades: Eisenmann Sport with M Performance Carbon tips, Dinan anti-roll bars, Bel StiR+, ALP
2015 Jaguar F-Type R Coupe
2015 Mercedes-Benz C300 Sport