BMW G11 G30 KaFAS Camera Lane Assist Control ECU Module Unit 9871841

BMW G11 G30 KaFAS Camera Lane Assist Control ECU Module Unit is an advanced electronic control module responsible for the operation of the lane assist system camera located in the front of the vehicle. As a component from the Electronic control modules and controllers group, it works with active safety systems, assisting the driver in maintaining the lane and analyzing road conditions. This used KaFAS controller is a solution that allows for the technical repair or replacement of the factory system in BMW G11 and G30 series cars while maintaining high OEM quality.

Specifications and technical data

• SKU: 9871841
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9871841
• Substitutable numbers: 9871841, 66519871841
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and function of the KaFAS module

The presented KaFAS controller is mounted in the front zone of the vehicle and works with the camera responsible for monitoring the lane and the surroundings in front of the car. The module processes signals from the camera, enabling the operation of the lane assist function, unintended lane departure warning, and other related driver assistance systems, depending on the configuration of the specific BMW unit.

Thanks to its integration with the vehicle's network, the controller transmits information to other electronic systems, which allows for the consistent operation of safety and driving comfort systems. Proper matching of the module to the specific car is crucial for the correct operation of the assistance functions.

Benefits of using an original BMW module

Using an original module from the Electronic control modules and controllers BMW group ensures:

• factory fitment to the electrical installation and system architecture in the BMW G11 / G30,
• consistency of operation with existing controllers and sensors in the vehicle,
• preservation of the manufacturer-intended lane assist functions,
• possibility of professional diagnostics and coding using standard BMW service tools.

A used KaFAS module can be an attractive cost-effective solution for post-accident repairs or troubleshooting assistance systems, while maintaining the high build quality characteristic of the BMW brand.

Selection, compatibility, and installation

To ensure proper cooperation with the vehicle's electronics, the selection of the KaFAS controller should be based on vehicle data and part identification numbers. In practice, this means verifying hardware and software compatibility with the specific equipment version of the BMW G11 or G30. A properly selected module allows for:

• seamless integration with the existing electrical harness,
• correct communication within the vehicle's bus,
• proper coding and adaptation during installation.

Installation of the module in the front part of the car should be performed by a person with experience in BMW electronics, while adhering to procedures regarding active safety systems.

Condition and service application

The offered KaFAS controller is a used component, which makes it an interesting option for servicing vehicles where the factory module has been damaged or replacement is necessary after a collision. Such components are often used in professional workshops specializing in the BMW brand, where both quality and repair economy are important.

Thanks to the preservation of the original design, the module can be integrated into the existing system without the need for installation modifications, provided it is properly selected and software-configured.

Technical support and additional information

If you want to better understand how to safely and consciously use used controllers and sensors, as well as how to select them by OEM numbers and compatibility, check out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

If you are planning a comprehensive repair or upgrade of the assistance and safety systems area in your BMW and need other elements from the same group, such as controllers, ECU modules, or assistance system controllers, check the available parts in the BMW Electronic control modules and controllers category.