Welcome to our store! 1. Plug and play: Simply connect the 3-pin connector to the socket on the back of your car radio. It's very easy and convenient to use. 2. Compatible with Bluetooth 4.0, this car Bluetooth module is energy-efficient and reliable. 3. Listen to music from your phone, tablet, or MP3 player. These devices must have Bluetooth functionality. 4. The Bluetooth module is compatible with E39, E46, E38, E53, and X5 models, and will provide you with a perfect sound experience. 5. Simply connect this item to the back of your car radio, connecting the red wire to 12V+ and the black wire to 12V-. 6. Connect your phone or tablet to the Bluetooth module, select Aux on your car radio, and you can play music through your car speakers. Shipping: 100% Brand New Item Type: Car Bluetooth Module Material: ABS Color: As shown in the pictures Compatibility: 2002 - 2006 Compatible with (E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic, 330cic, 330cic and M20+ 330cic and M20+Cabriolet - 2003 Compatible with (E39): 525i, 525iT, 530i, 530iT, 540i, 540iT and M5 (Sedan) 09/2002+ 2002 - 2006 Compatible (E53): X5 3.0, 4.4, 4.6, 4.8 and X5 M 10/2002+ Compatible with: From 09/2002, the radio for the BM54 card navigation/display system. Only with optional SA 602/609. 1 Bluetooth adapter Our customers are our priority. If you find any problems with your product after receiving it, such as damage or an incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.