The NAV has a pretty cool function that can look up information by city. Plug the city and then areas of interest - i.e. transportation and it will list local aiports, restaraunts, etc.
Used it to get to the train station the other day without the exact address.
E90 TiAg 330i ZSP, ZPP, ZCW 6sd Manual, Nav & Satellite (for Stern!), Black leather w/ Poplar