You need to get your car and navigation coded by a dealer to be in US English. You can hack some of the nav files to get part way there, but coding is the best way. They should only charge 1 hour of labor, and it is money well spent.

__________________
SOLD
2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input