BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 is an original electronic footwell lighting control module designed for BMW vehicles. As a component from the Electronic control modules and controllers group, it is responsible for the precise management of interior lighting functions, working in conjunction with the vehicle's electrical system and other comfort control units.

Specifications and technical data

• SKU: 6827064-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6827064
• Substitutable numbers: 61356827064, 6827064, BG, 61358886836, 8886836, 61359390491, 9390491, 61359383050, 9383050, 61359340339, 9340339, 61359308371, 9308371, 61359286887, 9286887, 61359263803, 9263803, 61359249086, 9249086, 61359240533, 9240533, 61359241008, 9241008, 61359230445, 9230445, 61359224598, 9224598
• Category: ECUs & Computer Modules

Purpose and function of the FRM3R module

The presented footwell controller is part of the comfort system that monitors the operation of lighting in the lower parts of the vehicle interior. The module analyzes signals from the electrical system and appropriately controls the lights in the driver's and passengers' footwell areas, ensuring clear, safe, and ergonomic interior illumination when entering, exiting, and driving at night. Thanks to its factory architecture, the module works with the vehicle's other electronic systems, maintaining consistent operation with the original BMW configuration.

Construction and integration with the BMW electrical system

The module belongs to the Electronic control modules and controllers group, which means it is designed to operate within the vehicle's controller network, using dedicated connectors and communication buses. The housing is adapted for installation in the factory-designated location, and the electronic system was developed by Max Brose with BMW's requirements for reliability and compatibility in mind. The pin layout and operating logic are in accordance with factory specifications, which facilitates integration with the original wiring harness without the need for modifications.

Benefits of using an original controller

Using an original footwell lighting module allows for the preservation of full comfort system functionality and consistency with the vehicle's software. The main advantages include:

• Factory fit – the controller is prepared for cooperation with the BMW electrical system, which reduces the risk of communication errors and diagnostic problems.
• Stable operation in the lighting system – the module ensures predictable operation of the footwell lights, in accordance with the logic programmed by the manufacturer.
• Possibility of using existing interchangeable part numbers – facilitates the selection of parts based on service documentation and BMW catalogs.
• Professional basis for further diagnostics – the controller works with factory diagnostic tools, which streamlines workshop operations.

Condition, selection, and practical application

The offered module is a used component, which in the case of BMW OEM electronics represents a reasonable compromise between cost and maintaining original functionality. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and – if necessary – perform appropriate configuration or adaptation using diagnostic tools. Thanks to the presence of the OEM part number and interchangeable numbers, selecting the correct controller for a given BMW X1 E84 is possible based on technical documentation or manufacturer catalogs.

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

Technical support and additional information

When selecting a used footwell lighting controller, it is worth paying attention to version compatibility and correct identification by part number and reference numbers. To better understand when the choice of used electronics is technically and economically justified, as well as how to safely select controllers and comfort modules, read the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Additional practical tips regarding shortening repair time using readily available OEM elements, including electronic modules, are provided in the entry: Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten workshop stays?

Summary

BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 is an original module from the Electronic control modules and controllers group, designed to handle footwell lighting in BMW vehicles. Thanks to its factory design, compatibility with the electrical system, and the ability to identify it by catalog numbers, it provides a solid basis for restoring the proper operation of the interior lighting system and maintaining the consistency of the entire comfort electronics system.