Bluetooth Music Adapter for BMW E46, E39, E38 with Business Radio (BM24) – 1 Piece, Black Bluetooth audio adapter for wireless transmission of music, navigation announcements, YouTube, and more. Steering wheel and radio controls supported. Playback starts automatically when selecting the radio source and stops when switching to another source (e.g., AM/FM radio). Telephony is not supported (a separate adapter with microphone is required for hands-free calling). Developed in Germany. Integrated amplifier for enhanced audio quality. Supports Bluetooth 5.0 for low power consumption. Built-in antenna ensures stable Bluetooth connection throughout the vehicle. Installation: – Minimal installation effort. – Connects discreetly to the rear of the radio. – Compatible with vehicles equipped with a 4:3 onboard monitor located in the trunk near the radio module. – No additional wiring required for power supply. – The radio automatically recognizes the adapter as a CD changer; no coding or programming needed. Product Dimensions: 3 cm Color: Black Package Includes: 1 x Bluetooth Music Adapter