I agree, while the RTTI is good on the pro nav, I still find the sat nav doesn't make the most sensible choice! eg on the way to work it comes up with a 10 minute delay on my journey .. I know there is a road I always take to avoid this section of the road, and it is what tomtom routes me down .. the minute I go down it the BMW sat nav takes 10 minutes off my arrival time, but never routes me that way .. seems to only want to use main roads even if it means sitting in a big traffic jam!
Nothing so far has beaten my tomtom app on my iPhone with HD traffic subscription .. would never be without that even with the latest BMW sat nav with RTTI etc...!
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