Auxillary Adapter,Yomikoo Car Aux-in Adapter Cables 12Pin Interface fit for BMW Z4 E85 X3 E83 Black Length 1.5m Best sound quality from High quality Power amplifier chip Control and operate your iPod with car stereo buttons or steering wheel controls Fit for BMW Z4 E85 X3 E83 Plug & play installation Smart design and Easy to install and use