Compatible with BMW models from 2004-2006: - BMW 1 Series, 3 Series, 5 Series, 6 Series and X5 - Year of manufacture: 2004 to 2006 Key features and benefits: - Bluetooth 5.0 A2DP for MP3 streaming to the factory audio system - Adds wireless music playback from your phone or media device to the car stereo - Improves listening experience in older BMWs without built-in Bluetooth audio streaming - Clear compatibility scope - Verified support for the listed BMW series and years - Important limitations to note - NAVI CIC is not supported - Does not fit cars with USB sockets 2-3 practical use scenarios: - Daily driving with wireless music - Connect a smartphone to stream MP3s via the car stereo in a 2004-2006 BMW 1, 3, 5, 6 series or X5 - Road trips and longer trips - Enjoy music from a phone or portable device without dealing with cables, using the vehicle’s existing audio system - Upgrading older BMWs - Provides Bluetooth A2DP streaming capability for models 2004-2006 that lack Bluetooth audio support, as long as the vehicle is not one of the NAVI CIC-equipped units and does not require USB socket compatibility