Earlier versions can include mistakes (even Google Maps has a few streets that exist in principle, but in reality are just empty fields), and each subsequent map version is going to iron out more of these issues. But BMW is also working hard to improve its map data. BMW adds 142,000 miles of new roads to its maps every year, so updating your maps means your navigation system is going to work a lot better. The last thing you want your navigation system 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. Why update your navigation maps for 2020? Part of the reason is the fact that roads are always changing.
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