Use this adapter to make your installation of an amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides one pair stereo RCA audio output. Adjustable left and right gain output. Plugs to the back of the radio. Might not work with factory amplified Premium system- has not been tested. No amp remote turn on wire- some amps have auto sense. Compatible Vehicles: BMW: 2008-2013 1 Series, 2007-2013 3 Series; Made for Mini: Made for 2007-2015 Mini Cooper (2007-2008 No convertible)