Important reminder: 1. The radio must have AUX function in order for the Bluetooth module to function properly, otherwise it cannot be used 2. Please check the connector interface, If it is not suitable, please do not buy, thank you Features: - Function via Bluetooth-enabled devices - No functional limitations of the car radio - Allows you to connect an external audio source - It is possible from your smartphone to your car stereo to stream - Pair your phone with our bluetooth module,and choose Aux from your radio. - You can enjoy music from your phone through car speakers. - Bluetooth 5.0 system, and compatible with other versions of 2.0 3.0 4.0 5.0 Bluetooth system, support commonly used MP3 format audio, but also support WMA WAV FLAC, and other high-quality audio format decoding, non-ordinary Bluetooth functions, can support DSD large capacity transmission. - Easy to install Compatible for : for BMW E61 E62 model for BMW (E60) 2004~2010 : 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) for BMW (E63) (E64) 2003~2010: 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible) for MINI COOPER 2000~2006 : COOPER (R50), COOPER S (R53) & JC WORKS (Coupe & Convertible) for Mini One, One D, Cooper & S for BMW 5 Series (E39) for BMW X3 series (E83) for BMW X5 series (E53) following models no fit : 609 (navigation system) SA 650 (Business radio with CD drive) SA 661 (Business radio with CD drive) SA 662 (radio business) Radio Boost CD 53 / Business CD from 09/2002 (Compatibility is for reference only,Before you take the order, please check the appearance and socket of the product to make sure that fits your car. Thank you.)