How do I manually update the navigation map in my BMW?
A:
Navigation data is stored in the vehicle and can be updated from a USB device. Current navigation data is available from an authorized service center or another qualified servic....
AdHot Deals, Cool Gear, and Helpful Tips. Shop Now and Discover the Crutchfield Difference. Since 1974 We've Been Helping Customers Choose, Use and Enjoy Audio, Video and More.