Originally Posted by Callisto224
I hope you don't base the new Nav 5 off of the 665. It's got some really bad reviews on amazon. Or at least fix the problems for the BMW version so it's worth the extra cost!
Many of the neg reviews are a couple years old. The most frequent con was shutting down unexpectedly. Mine did that 2 years ago, but updates soon after fixed it. It's been fine since then...including the weather.