Description: Each year- changes occur to an estimated 15-20% of North Americas roads and highways. Thats why BMW offers annual digital road map updates for your on-board navigation system. In addition- this update adds more than 7.2 Million miles of new roads- and 37-000 miles of updated road networks. It also includes Millions of new Points of Interest in 106 easily searchable categories. Categories include necessities such as food- gas- and lodging- to attractions like shopping malls and museums.