Features: 1.The audio module compatible with Bluetooth is suitable for E39 E46 E38 E53 X5. 2.Easy to use,just plug the 12pin connector into the socket on the back of the radio. 3.Match your phone or tablet to the module compatible with Bluetooth, then select Aux from the radio, and then you can use your phone to play music through the car speakers. 4.You can listen to music from your phone/tablet/mp3 (compatile with Bluetooth). 5.You can insert this item into the rear radio, then connect the red wire to 12V + and the black wire to 12V-. Specification: Item Type:AUX-In Audio Module Condition:100% Brand New Material:ABS Color:Black Fitment: Fit for E46 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic & M3 (Coupe, Sedan & Convertible) 2002~2006 Fit for E39: 525i, 525iT, 530i, 530iT, 540i, 540iT & M5 (Sedan) 2002~2003 Fit for E53 X5 3.0, 4.4, 4.6, 4.8 and X5 M 2002~2006 Compatible with Radio for BM54-board monitor / navigation system from 09/2002 With optional SA 602/609 only