2002-1 means that your navigation disk was made using the earliest maps available at the time (2002). BMW comes out with 2 DVD's each year xxxx-1 & xxxx-2. Your house development was built after that, so thats why your streets were not annexed. As I said earlier, you can buy the newer DVD from the dealer (2007-2) or torrent it and burn it yourself (something I just finished doing this morning actually...).

If you were to go the purchase route, I might suggest waiting until the 2008-1 disk comes out, as it can't be too far out...

Seems you have version 24. You can update to 28 with the software outlined on this website. You'll get a much higher resolution map preview (even using the 2002 disk!) and perspective view. The process is pretty simple and takes about 1-2 minutes for the navigation software in the car to upgrade...