1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your BXLIYER SXAUTO 8257 Series Android 15 Car Radio. This advanced multimedia system is designed to enhance your driving experience with a range of features including navigation, entertainment, and connectivity. Please read this manual thoroughly before use to ensure proper functionality and safety.
2. Product Features
The BXLIYER SXAUTO 8257 Series Car Radio is equipped with a comprehensive set of features:
- Operating System: Android 15
- Processor: Rockchip AC8257 A53 Octa-Core, 64-bit, 2.0 GHz
- Memory: 6GB RAM (DDR3), 128GB ROM
- Display: 9-inch QLED Touchscreen (1280x720 pixels)
- Connectivity: Built-in 4G LTE, Dual Band WiFi, Bluetooth 5.0
- Audio: DSP (AKM7739) with 64-band graphic equalizer, 4 x 50W Max Output
- Radio: Built-in DAB+ Digital Radio, AM/FM Tuner with RDS
- Smartphone Integration: Wireless/Wired CarPlay and Android Auto, Mirror Link
- Navigation: Online and Offline GPS navigation support
- Camera Support: Rear view camera input (LED rear view camera included), optional 360° panoramic parking function
- Additional Features: Steering Wheel Control, OBD2 support, Fast-boot, Split Screen, Dual USB input, HDMI output, Cooling Fan

Image: Key features of the SXAUTO 8257 Series Car Radio, highlighting its advanced specifications and capabilities.
3. Compatibility and Installation
3.1 Compatibility
This car radio is specifically designed for BMW Mini Cooper F54, F55, F56, and F60 models manufactured between 2015 and 2019. Ensure your vehicle's dashboard configuration matches the compatible models before installation. Note that vehicles with the EVO system and a high-configuration large screen cannot be installed.
3.2 Installation Overview
Installation typically involves removing the original car radio unit and integrating the new SXAUTO unit. Professional installation is recommended to ensure correct wiring and functionality. The package includes the car radio, accessories, user manual, frame kit, and power cable.

Image: Visual comparison of a Mini Cooper dashboard before and after the SXAUTO car radio installation, demonstrating seamless integration.
4. Operating Instructions
4.1 System Overview
The unit runs on Android 15, providing a familiar and intuitive interface. The Octa-Core processor and 6GB RAM ensure smooth performance for all applications. The system features a fast-boot function, allowing access to the Android system in less than 2 seconds.
4.2 Connectivity
4.2.1 4G LTE
Insert a micro SIM card into the designated slot to enable 4G LTE connectivity. This allows for mobile broadband access with download speeds up to 300 Mbps, enabling online services and streaming directly from the unit.
4.2.2 DAB+ Digital Radio
The integrated DAB+ tuner provides access to digital radio stations with enhanced sound quality and a wider selection of channels. Ensure proper antenna connection for optimal reception.
4.2.3 CarPlay & Android Auto
Connect your smartphone wirelessly or via USB cable to use Apple CarPlay or Android Auto. This integrates your phone's essential functions like navigation, music, and messaging directly onto the car radio display.
4.2.4 Bluetooth 5.0
Pair your mobile device via Bluetooth 5.0 for hands-free calling, contact synchronization, and audio streaming. The improved Bluetooth signal ensures stable connections.
4.2.5 Dual Band WiFi
Connect to available Wi-Fi networks (2.4GHz or 5GHz) for internet access, app downloads, and system updates.

Image: Illustrations of DAB+ radio functionality, 4G LTE module, DSP audio controls, and wireless/wired CarPlay and Android Auto connectivity.
4.3 Audio Features
4.3.1 DSP (Digital Sound Processor)
The built-in DSP with a 64-band graphic equalizer and multiple EQ modes allows for precise audio customization, creating an optimized listening experience.
4.3.2 Radio Tuner
Access AM/FM radio stations. The RDS function displays station information and traffic announcements where available.
4.4 Navigation
Utilize online or offline GPS navigation applications. The system supports 3D maps and voice guidance, allowing for simultaneous navigation and audio playback (radio/Bluetooth/USB/SD).
4.5 Display
The QLED screen provides vibrant colors and high performance, with a resolution of 1280x720 pixels for clear visuals.
4.6 Camera and Parking
4.6.1 Rear View Camera
The system automatically switches to the rear view camera display when reverse gear is engaged, aiding in safe parking maneuvers. An LED rear view camera is included.
4.6.2 360° Panoramic Parking (Optional)
With the purchase of optional AHD cameras, the 360° panoramic parking function provides a clear, comprehensive view of the vehicle's surroundings, simplifying parking in tight spaces.
4.7 Other Functions
4.7.1 Steering Wheel Control
Connect your vehicle's steering wheel controls to the SXAUTO system for convenient operation of audio and other functions without taking your hands off the wheel.
4.7.2 OBD2 Support
Connect a Bluetooth OBD2 module and use compatible apps (e.g., Torque) to retrieve vehicle diagnostic information and display real-time data on the screen.
4.7.3 Mirror Link
Mirror the screen of your Android or Apple smartphone onto the car radio display for enhanced content viewing and control.
4.7.4 Split Screen
Run two applications simultaneously on the screen, such as navigation and music playback.

Image: Visuals depicting the cooling fan, QLED display, Bluetooth 5.0 features, GPS and WiFi capabilities, and the 360-degree camera system.
5. Specifications
| Feature | Specification |
|---|---|
| Brand | BXLIYER |
| Operating System | Android 15 |
| CPU | Rockchip AC8257 A53 Octa-Core, 2.0 GHz |
| RAM | 6GB DDR3 |
| ROM | 128GB |
| Display | 9-inch QLED Touchscreen (1280x720 pixels) |
| Audio Output | 4 x 50 W Max |
| DSP | AKM7739, 64-band equalizer |
| Bluetooth | Version 5.0 |
| Connectivity Technology | Bluetooth, 4G LTE, Wi-Fi |
| Radio Tuner | AM/FM (522-1620KHz, 87.5-108MHz), DAB+ |
| Compatible Devices | BMW Mini Cooper F54, F55, F56, F60 (2015-2019) |
| Special Features | Touchscreen, Built-in 4G LTE, DAB+, CarPlay, Android Auto, DSP, GPS, Rear Camera Support, Steering Wheel Control, OBD2 Support, HDMI Output |
6. Maintenance
To ensure the longevity and optimal performance of your car radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and exterior. For stubborn marks, slightly dampen the cloth with water. Avoid harsh chemicals or abrasive materials.
- Temperature: Avoid exposing the unit to extreme temperatures, both hot and cold, for extended periods.
- Software Updates: Periodically check for and install software updates to ensure the system runs efficiently and securely.
- Connections: Ensure all cables and connections are secure and free from damage.
7. Troubleshooting
If you encounter issues with your car radio, refer to the following common problems and solutions:
- No Power: Check the power cable connection and the vehicle's fuse box. Ensure the ignition is on.
- No Sound: Verify volume settings, check speaker connections, and ensure the audio source is correctly selected.
- GPS Signal Loss: Ensure the GPS antenna is properly installed and has a clear view of the sky. Check navigation app settings.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the car radio and your device. Try unpairing and re-pairing the devices.
- Touchscreen Unresponsive: Restart the unit. If the issue persists, a factory reset might be necessary (note: this will erase user data).
- CarPlay/Android Auto Not Connecting: Ensure your phone is compatible and the USB cable is functional (if wired). Check app permissions on your phone.
For persistent issues, contact customer support.
8. Warranty and Support
Your BXLIYER SXAUTO 8257 Series Car Radio comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact the BXLIYER customer service team through the retailer where the product was purchased or via the official BXLIYER support channels.