Bluetooth 5.0 Car Adapter for BMW E64 E60 E66 E80 E81 E82 E90, Plug and Play Audio Receiver with Microphone

Important compatibility notes Make sure the 12pin socket casing of this connector fits your car before you bid. This adapter only works with head units that have a MODE button. It is not compatible with older head units without a MODE button, cassette players, or Navigation Players. Product overview This plug and play Bluetooth audio adapter adds wireless music streaming to compatible radios in 2003 BMW 3 Series (E90, E91, E92, E93). It connects directly to the 12pin socket at the back of the radio and lets you stream music from a mobile phone or smartphone to the car stereo. Key benefits Adds Bluetooth streaming to compatible factory radios so you can play music from a phone without changing the head unit. Simple installation with a direct 12pin connection and two power wires, minimizing installation time and wiring changes. Bluetooth 5.0 for improved connection stability and backward compatibility with Bluetooth 3.0 and 2.0 devices. Supports common audio formats including WMA, WAV, and FLAC for better playback quality. Main features Compatibility: Designed for 2003 BMW 3 Series E90, E91, E92, E93 models. Works only with head units that include a MODE button. Required settings: AUX must be selected or enabled. Compatible with systems using option codes 609 (navigation system), SA 650, SA 661, SA 662 where applicable. Connection: 12pin plug connects to the back of the radio. Connect the red wire to 12V positive and the black wire to 12V negative for power. Audio formats: Supports WMA, WAV, FLAC playback from connected devices. Bluetooth: Version 5.0 with backward compatibility for older Bluetooth versions. Installation steps Verify the 12pin socket casing on your radio matches the connector. Plug the 12pin connector into the socket at the back of the radio. Connect the red wire to 12V positive and the black wire to 12V negative. Select AUX on the head unit or enable the AUX function as required. Use the MODE button on the head unit to switch to the Bluetooth audio input. Use scenarios Daily commute: Stream playlists or navigation audio from a smartphone to the car stereo without replacing the factory head unit. Vehicle upgrade: Add wireless audio streaming to a compatible factory radio in a used 2003 BMW 3 Series that lacks builtin Bluetooth streaming. Passenger entertainment: Play lossless files stored on a phone using supported formats for higher quality playback through the car speakers. Important limitations Confirm physical fit of the 12pin socket casing before . Only works with head units that have a MODE button. Not compatible with head units that lack MODE, with cassette players, or with Navigation Players that are not configured as described. This adapter provides a straightforward way to add Bluetooth audio streaming to compatible BMW 3 Series radios while keeping the original head unit in place.