BMW only ever cares about the last 7 digits of your VIN, as demonstrated on their iDrive software update page: http://www.bmw.com/update http://www.bmw.com/upd

BMW only ever cares about the last 7 digits of your VIN, as demonstrated on their iDrive software update page: http://www.bmw.com/update http://www.bmw.com/update (an example code would be "J123456")