BMW E88 ECU Light Control Footwell Module MAX Kuester FRM3R PL2 9340331

BMW E88 ECU Light Control Footwell Module MAX Kuester FRM3R PL2 is an original electronic footwell light control module designed for BMW vehicles. As a component from the Electronic control modules and controllers category, it is responsible for precise management of lighting functions, communication with the electrical system, and interaction with other comfort systems in the car.

Specifications and technical data

• SKU: 9340331
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9340331
• Substitutable numbers: 9340331, 61359340331, BG
• Category: ECUs & Computer Modules

Purpose and function of the FRM3R module

The presented footwell light controller acts as a central management element for lighting in the lower part of the cabin, integrating signals from the vehicle's electrical system and transmitting them to the appropriate circuits. The FRM3R MAX Kuester module is designed for stable operation in conditions typical for the vehicle body, ensuring proper handling of lighting functions and communication with the vehicle network.

Thanks to a design compliant with the manufacturer's standards, the module works with the factory wiring harness, which facilitates installation and reduces the risk of installation errors. This solution is dedicated to users who expect to maintain the original logic of light operation and proper cooperation with other controllers in the car.

Construction and technical characteristics

The module belongs to the Electronic control modules and controllers group, which means it acts as an intelligent node in the BMW electrical architecture. It contains circuits responsible for:

• receiving signals from the vehicle's electrical system (e.g., signals from switches, sensors, communication bus),
• processing information according to factory control algorithms,
• controlling the appropriate lighting circuits in the footwell area and related components.

As an OEM component, the module is factory-adapted to the BMW electrical architecture, which translates into proper connector fitment, appropriate logical configuration, and compatibility with the vehicle's software after proper coding.

Practical application and benefits of installation

The use of this controller is particularly important in situations where the existing module has been damaged, causing problems with interior lighting or communication with other systems. Replacing it with an original component allows for restoring the proper operation of lighting functions without the need to modify the installation.

Key advantages include:

• maintaining factory functionality of the lighting and electronic communication system,
• possibility of integration with the existing vehicle configuration after proper programming,
• compatibility with BMW electrical architecture, which reduces the risk of malfunction of comfort systems.

The product is marked as used, which allows for economical repair while maintaining the original manufacturer's specifications, provided it is correctly installed and configured in the vehicle.

Selection by numbers and technical support

When selecting modules from the Electronic control modules and controllers group, it is crucial to pay attention to manufacturer markings, OEM part numbers, and interchangeable numbers – this allows verifying compatibility with a specific equipment version and model year of the BMW. In case of doubt, it is worth comparing the markings with the currently installed controller or using catalog data based on the VIN.

If you want to better understand how to safely choose used controllers and other vehicle electronics components, check the Global Parts guide: Used automotive electronics – second-hand ECU modules and sensors. You will find practical tips there regarding selection by numbers, hardware and software compatibility, and typical questions related to installation.

Expanding the control system in BMW

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