Telematics Control Unit BMW F20 F21 F23 F30 F31 F32 Module ATM ECE 3G 2447802

Telematics Control Unit BMW F20 F21 F23 F30 F31 F32 Module ATM ECE 3G is an advanced electronic control module from the Electronic control modules and controllers group, designed for modern BMW F-series models. The original BMW design ensures stable operation of telematics and communication systems, while the used condition of the component allows for an economical yet professional vehicle repair. This is a solution for users who expect proven OEM electronics instead of unreliable replacements.

Specifications and technical data

• SKU: 2447802
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2447802
• Substitutable numbers: 84106836771, 6836771, 84109380159, 9380159, 84102447802, 2447802
• Category: ECUs & Computer Modules

Purpose and function of the telematics module

The presented telematics module is responsible for handling connectivity and communication functions in selected BMW F-series models (e.g., F20, F21, F23, F30, F31, F32). As an original BMW controller, it works with the vehicle's factory electrical architecture, integrating with other onboard systems. This ensures consistent operation of comfort, safety, and network services.

The module belongs to the Electronic control modules and controllers group, which means it acts as a central element managing a specific range of functions, communicating with other controllers via the vehicle's bus systems. Proper selection based on the OEM number and interchangeable numbers allows for seamless integration with a specific car configuration.

Benefits of using an original BMW module

Using an original BMW telematics module brings a number of practical advantages in daily vehicle operation:

• Full compatibility with vehicle software – the controller is designed for a specific BMW platform, which facilitates coding and adaptation.
• Stable operation of connectivity systems and online services – the correct functioning of telematics features depends on the proper ATM module.
• Better integration with other controllers – reduced risk of conflicts in the vehicle network compared to random replacements.
• Possibility of professional diagnostics – the module works with factory BMW service tools, which facilitates maintenance and configuration.

For workshops and private users, this means a more predictable repair process and a lower risk of compatibility issues. A used OEM controller represents a reasonable compromise between cost and quality, especially in the case of complex onboard electronics.

Selection by OEM number and compatibility

To ensure the proper operation of the telematics module, it is crucial to match it to a specific vehicle based on the OEM part number and available interchangeable numbers. In practice, this means verifying compatibility with the VIN and the car's equipment configuration. A properly selected controller minimizes the need for additional installation changes or wiring modifications.

If you want to learn more about the safe selection of used automotive electronics, matching by VIN and part numbers, as well as installation and coding principles, check out our guide: used automotive electronics – second-hand ECU modules and sensors. It is a practical source of information that helps you plan electronic system repairs consciously.

Condition, origin, and practical application

The offered module comes from the BMW group and is a used component, which is a frequently chosen solution in the OEM electronics segment for repairing several-year-old vehicles. Such controllers are popular among both specialized services and independent workshops that prioritize original components while maintaining reasonable maintenance costs.

In practice, this type of telematics module is used for:

• repairs after electronic damage resulting from failures or water ingress,
• restoring full functionality of connectivity systems after replacing other controllers,
• comprehensive equipment upgrades within the BMW F-series platform.

Expanding the control system in BMW

If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other components from the same group, such as comfort controllers, body modules, or safety system management units, check out the available parts in the BMW electronic control modules and controllers category.