The 2012-2015 BMW X1 Radio Amplifier Amp OEM 9312443 is a genuine BMW part designed to enhance the audio quality in your vehicle. This radio amplifier, with interchange part number RDO-72369 and superseded part number I.B, is specifically designed for the BMW X1 model and is a direct replacement for the original equipment manufacturer part. With the manufacturer part number 9312443, this amplifier is sure to provide superior sound performance for your BMW X1.