BMW F01 F01N F02 F10 AHK Towing Hitch Tow Bar Control Module Unit ECU 6796905

BMW F01 F01N F02 F10 AHK Tow Hitch Control Module ECU 6796905 is a specialized electronic control unit designed to operate the factory-fitted tow hitch in selected BMW 5 Series and 7 Series models. As part of the Electronic Control Modules and Units group, it is responsible for the correct communication between the hitch installation and the vehicle's other systems. This is a solution for users who want to restore the full functionality of the towing system or perform a professional repair of the AHK installation.

Specifications and technical data

• SKU: 6796905
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6796905
• Substitutable numbers: 6796905, 71606796905, 6856980, 71606856980, 6794115, 71606794115, 6793966, 71606793966, 6850460, 71606850460, 6855286, 71606855286, 6790250, 71606790250
• Category: ECUs & Computer Modules

Purpose and Function of the AHK Module

The presented AHK control unit is dedicated to the tow hitch system in BMW vehicles from the F01, F01N, F02, and F10 families, where it is responsible for integrating the trailer installation with the car's electronics. The module manages, among other things, trailer lighting signals, diagnostic messages, and cooperation with other onboard systems, enabling safe and stable use of the towing assembly.

As an element from the Electronic Control Modules and Units category, it operates within the vehicle's network, transmitting information between the hitch installation and other control units. This allows the car to respond correctly to trailer connection and provides the driver with consistent messages on the instrument cluster or the onboard system.

Benefits of Using an Original BMW Control Unit

Using an original AHK module ensures proper integration with BMW's electrical architecture and compliance with factory safety standards. The control unit is designed to work with the specific vehicle platform, which reduces the risk of communication errors, diagnostic issues, or incorrect trailer lighting operation.

Choosing this solution also means:

• seamless cooperation with other control units in the vehicle,
• easier diagnostics using factory service tools,
• preservation of manufacturer-intended towing functions.

Selection by OEM Number and Interchangeable Numbers

The module has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification of the component for a specific vehicle configuration. When selecting, it is recommended to compare the markings with the currently installed control unit or verify using the VIN in the manufacturer's catalog to ensure full hardware and software compatibility.

If you want to better understand how to safely use used control units and sensors, how to check marking compatibility, and what to pay attention to during installation, the Global Parts guide will be helpful: used automotive electronics – second-hand ECU modules and sensors.

Product Characteristics and Practical Application

The offered module belongs to the group of original BMW solutions, which promotes the preservation of the towing system's factory operating logic. In practice, this means predictable vehicle behavior after connecting a trailer, correct light operation, and cooperation with monitoring and diagnostic systems.

The component is suitable for both replacing a damaged control unit and restoring the full functionality of a factory tow hitch after electrical system repairs. This allows the driver to once again utilize towing capabilities in accordance with the vehicle manufacturer's intentions.

If you are planning a comprehensive repair or upgrade of the electronic installation area responsible for the tow hitch in your BMW and need other parts from the same group, such as additional control units, cooperating modules, or related management units, check the available parts in the BMW Electronic Control Modules and Units category.