http://www.filesonic.com/file/1009980804/NAVIGON.North.America.v1.8.1.part1.rar
http://www.filesonic.com/file/1009981244/NAVIGON.North.America.v1.8.1.part2.rar
http://www.filesonic.com/file/1009981294/NAVIGON.North.America.v1.8.1.part3.rar
http://www.filesonic.com/file/1009981224/NAVIGON.North.America.v1.8.1.part4.rar