The HUD is much more than a “fun toy” for many of us. It allows you to keep your eyes fully on the road to follow directions in an unfamiliar area instead of needing to repeatedly glance over at the iDrive screen.
I would also argue that the built in Nav does an excellent job with providing updated routes based on real time traffic information.
Google maps is far from infallible. It had sent so many incorrect directions to my drivers when we used it for my expedited freight business that my drivers deleted it off their my phones entirely and now we use Apple Maps (imagine that).
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