I love the Nav. I purchased it because of its purpose and it's helped a lot, especially in bigger cities. I think it DOES make it feel more cozy and I keep it on "night" mode all the time. Love it.
2012 E92 M3 | MW | DCT | KW V3 | Edition Cosmetics | 19" MORR VS8.2 - Brushed w/ Tinted Clear | F1 Pinnacle 35%