It seems as if there must be some sort of internal calibration that takes place. When I first got the car, I thought that the nav was at least .2-.3 mi off, whereas after about 700 miles of driving, it seems to be pretty dead on. While I don't agree with the direction that it wants to go sometimes, at least the turns it recommends come up right when the street is there whereas before, I would have been told to turn well before the intersection. :-)
Has anyone noticed this behavior with the iDrive Nav?
Ron
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