Car AUX-in BT Adapter Audio Music Receiver 12PIN Replacement for BMW X5 X3 Z4 E83 E85 E86 E39 E53

Features:
Compitable with BMW X5 X3 Z4 E83 E85 E86 E39 E53.
Easy installation,just plug the 12pin connector into the socket back of your radio.
Low version car model set aside the position to install,higher version car model own the USB function.
Match your phone or pad to BTmodule,and Choose Aux from your radio, then you can use your phone to play music through car speakers.