Earlier versions of the BMW navigation system map update can include mistakes, and each subsequent map version is going to iron out more of these issues. Thousands of miles of new roads are added as part of the BMW iDrive map update every year, so updating your maps means your navigation system is going to work a lot better.īut BMW is also working hard to improve its map data. The last thing you want your BMW GPS map to do is send you down a street that hasn’t existed for five years, or let you spend an hour weaving through an unfamiliar town when there’s a shiny new bypass that could cut your journey time in half. In some areas, up to 40% of the road network can change from one year to the next. New roads are being built, old roads are being closed or rerouted, two-way streets are being turned into one-way streets. Part of the reason is the fact that roads are always changing. The downloaded maps are compatible with different navigation systems. This Open Source software is actually a database of free maps, updated by volunteer contributors. To update your GPS for free, the OpenStreetMap project allows you to download maps and transfer them to your system without any cost.
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