back up software

... and the CD Changer is located at the back of the vehicle in the quarter panel. ... Gateway 300 for BMW (17 pin) , a step up from the previous version, allows to ... to have the BMW “MP3 Retrofit” software option programmed by  your  car ... Dension's Gateway systems let you set up virtually any device in your vehicle ... kit that connects directly to the back or the car radio (entertainment