BA31 Factory+ Bluetooth Retrofit Kit - BMW CM5908 Radio
Our BA31 Bluetooth retrofit kit breathes new life into your factory BMW CM5908 radio with modern features like Bluetooth streaming, hands-free calling, auxiliary input, and voice assistance. The plug-n-play circuit board replaces the factory cassette mechanism inside the radio, enabling a deep integration of audio functionality in a league of its own.
For a complete description of the functionality of this kit, have a look at the Owner's Manual.
Want an even better experience? Check out our optional CM5908 Display+ Enhanced LCD kit for a beautifully redesigned LCD display that will make your radio feel like it truly shipped with all these modern features from the factory.
FEATURES
- High-fidelity Bluetooth music streaming wired directly into the radio - no tape adapters or FM transmitters here
- Seamless connection experience
- Hands-free calling with included microphone
- Control music playback, answer and end calls, invoke your phone's voice assistant, and cycle through sources using the original radio buttons
- 1/8" auxiliary input jack for satellite radio, legacy devices, etc.
- LCD indicators for Bluetooth connection and playback state
- Maintains all tuner (AM/FM/WB) functionality. Cycle through Bluetooth, AUX, and tuner sources by pressing the volume knob
- 100% stock appearance
- 100% reversible - no permanent or destructive changes required
- Plug-n-play board requires only basic hand tools and an hour or two to install
- Customize behaviors, update firmware, and more with our Dashboard Desktop Application for Mac and Windows
DIY
We design our Factory+ kits to be as easy to install as possible using basic hand tools. For the DIY installer, we provide a video demonstrating the installation procedures step by step:
TURNKEY
If you'd prefer to have the kit professionally installed, and/or if your radio needs servicing too, you can have this done through our installation and service partner, OEM HiFi. For this route, purchase a kit directly through their site where instructions will be provided for radio mail-in.