1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your ninetom 12.3-inch IPS Touch Screen Car Radio. This device is designed to upgrade the infotainment system in compatible BMW 1/2 Series vehicles (F20, F21, F22, F23 from 2011-2016) equipped with the NBT system. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
Key features include a 12.3-inch HD touch screen, wireless CarPlay, Android Auto, Mirrorlink, integrated GPS, and DSP for enhanced audio. The system is designed to retain all original vehicle functions.
2. Safety Information
- Always ensure the vehicle is turned off and the battery is disconnected before performing any installation or wiring.
- Installation should be performed by a qualified professional if you are unsure about any steps.
- Do not operate the device in a way that distracts you from driving. Always prioritize road safety.
- Avoid exposing the device to extreme temperatures, direct sunlight for prolonged periods, or moisture.
- Use only the provided accessories and cables to prevent damage or malfunction.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x 12.3-inch Upgraded Car Radio
- 1 x Power Cable
- 1 x USB Cable
- 1 x AUX Cable
- 1 x Mounting Bracket
- Installation Instructions (this manual)

4. Setup and Installation
4.1 Compatibility Check
This car radio is compatible with BMW 1/2 Series F20, F21, F22, F23 models manufactured between 2011 and 2016 that are equipped with the NBT infotainment system. It is crucial to verify your vehicle's system type before proceeding with installation.


4.2 Installation Steps
The installation process is designed to be non-destructive, meaning no original cables will be damaged. It primarily involves removing the original car screen and connecting the new unit. Detailed installation videos can often be found online for specific BMW models.
- Preparation: Turn off the vehicle and disconnect the battery. Gather necessary tools (e.g., trim removal tools, screwdrivers).
- Remove Original Screen: Carefully remove the trim panels around the original car screen and then detach the screen itself.
- Connect Cables: Connect the provided power cable, USB cable, and AUX cable to the new unit and the vehicle's wiring harness. Ensure all connections are secure.
- Mount New Screen: Secure the new 12.3-inch display using the provided mounting bracket.
- Test Functionality: Before reassembling all trim, reconnect the battery and test all functions of the new car radio, including audio, touch response, CarPlay/Android Auto, and original system switching.
- Reassemble: Once all functions are verified, carefully reassemble the trim panels.


5. Operating Instructions
5.1 Basic Operation and System Switching
The ninetom car radio features a responsive 12.3-inch IPS touch screen. You can navigate through menus and applications by touching the screen. The system also retains compatibility with your original BMW iDrive controller and steering wheel controls.
To switch between the new Linux-based system and your original BMW NBT system, simply select the 'Original Car Interface' option on the screen. This allows you to access all original vehicle functions, including the factory radio, amplifier, and settings, without any software modifications to the vehicle's control units.




5.2 Wireless CarPlay and Android Auto
The unit supports both wireless and wired CarPlay and Android Auto. Connect your compatible smartphone to access navigation, phone calls, messages, music, and other applications directly on the car radio display. Voice commands (e.g., Siri, Google Assistant) are supported for hands-free operation.



5.3 Mirrorlink
The Mirrorlink function allows you to mirror your smartphone's screen (both iOS and Android) onto the 12.3-inch display. This enables you to view maps, videos, and other content from your phone directly on the car radio.
5.4 Navigation
The unit supports various navigation software through CarPlay, Android Auto, or dedicated GPS applications. You can utilize your preferred mapping services for route guidance.

5.5 Audio Connectivity
The system supports audio output via Bluetooth and AUX. Ensure your vehicle's AUX input is enabled and selected for optimal audio quality from the new unit.

5.6 Reverse Camera Display
The unit is designed to display the original vehicle's reverse camera feed, including dynamic trajectory lines if supported by your car's system, enhancing parking safety.

6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the screen and exterior. For stubborn marks, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
- Software Updates: Periodically check the manufacturer's website or contact support for available software updates to ensure optimal performance and access to new features.
- Environmental Conditions: While designed for automotive use, avoid prolonged exposure to extreme heat or cold, which can affect the display's lifespan and performance.
7. Troubleshooting
- No Power: Check all power cable connections. Ensure the vehicle's battery is properly connected and charged.
- No Sound: Verify that the AUX input is correctly selected on your original car radio. Check all audio cable connections. Ensure volume levels are not muted on either the new unit or the original car system.
- CarPlay/Android Auto Not Connecting: Ensure Bluetooth and Wi-Fi are enabled on your smartphone and the car radio. For wired connections, try a different USB cable. Restart both your phone and the car radio.
- Screen Freezes/Unresponsive: Perform a soft reset by turning off the vehicle, waiting a few minutes, and restarting. If the issue persists, disconnect the car battery for 10 minutes to perform a hard reset.
- Original Functions Not Working: Double-check all wiring connections, especially those related to the original system integration. Ensure the 'Original Car Interface' is selected when attempting to use original functions.
- Poor Call Quality: Ensure the microphone is properly connected and positioned. Check Bluetooth connection stability.
If you encounter issues not covered here, please refer to the support section for assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | ninetom |
| Model Name | RT-LN |
| Model Number | RT-LN-NBT-12-1/2S-DE |
| Screen Size | 12.3 Inches |
| Resolution | 1920 x 720 |
| Screen Type | IPS LCD Capacitive Touchscreen |
| Operating Systems Supported | Android, iOS (via CarPlay/Android Auto) |
| Connectivity Technology | Bluetooth, USB |
| Special Features | Wireless/Wired CarPlay, Android Auto, Mirrorlink, Built-in DSP, GPS Navigation Support |
| Compatible Vehicle Type | BMW 1/2 Series F20/F21/F22/F23 (2011-2016) with NBT System |
| Audio Output Mode | Stereo |
| Item Weight | 2.2 Kilograms |
9. Warranty and Support
Your ninetom 12.3-inch IPS Touch Screen Car Radio comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For technical assistance, installation support, or warranty claims, please contact ninetom customer service. Professional support is available to help you with any questions or issues you may encounter.
Please retain your proof of purchase for warranty purposes.


