BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU is a factory-original component from the Electronic control modules and controllers category, designed for precise lighting management in facelifted BMW 1 Series vehicles. It is responsible for stable light operation, communication with the vehicle's electrical system, and integration with other comfort and safety systems. Thanks to its original design, the ECU is perfectly matched to the BMW electrical architecture, which facilitates installation and subsequent operation.

Specifications and technical data

• SKU: 6827064
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6827064
• Substitutable numbers: 61356827064, 6827064, 61359390491, 9390491, EM, 61358886836, 8886836, 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 light control module

The presented light control module has been designed specifically for the facelifted (LCI) BMW E87 model, where it acts as the central module responsible for managing exterior lighting and related functions. As an original BMW module, it works with the vehicle's electrical system according to factory specifications, ensuring the correct operation of low beams, high beams, position lights, and other modes provided in the car's specific configuration. The ECU communicates with other controllers in the vehicle via the data bus, ensuring that the response to signals from switches, sensors, and assistance systems is fast and repeatable. This solution reduces the risk of lighting malfunctions and facilitates diagnostics in the event of potential faults.

Benefits of using an original BMW module

Using a factory light control module in a BMW E87 LCI offers a number of practical advantages, important for both the user and the workshop installing the component:

• reliable fitment to the electrical harnesses and connectors used in the specific BMW model,
• preservation of factory lighting logic and instrument cluster messages,
• easier computer diagnostics using standard BMW service tools,
• possibility to use existing wiring diagrams and service procedures. For the user, this means stable lighting system operation and a lower risk of problems resulting from incompatible aftermarket replacements. For the workshop – faster installation and predictable module behavior after coding or adaptation.

Component characteristics and installation

The module belongs to the Electronic control modules and controllers group, meaning it is an integral part of the vehicle's function management system, rather than a simple relay. In practice, replacement requires following procedures typical for automotive electronics: proper power disconnection, careful handling of connectors, and – if necessary – performing appropriate programming or coding for the specific car configuration. Due to its advanced design, it is recommended that the installation and any necessary coding of the module be entrusted to a service center with experience in BMW electronics. This helps avoid issues with bus communication, controller memory errors, or incorrect light operation after replacement.

Product condition and practical application

The offered controller comes from the secondary market, which in the case of OEM BMW electronics is often a reasonable compromise between cost and quality. A used module retains its factory specifications while allowing for a significant reduction in repair costs compared to purchasing a new part. This solution is particularly attractive when addressing faults such as loss of communication with the light module, malfunction of specific lighting functions, or errors stored in the controller's memory. To select the correct unit for a specific car, it is advisable to use the OEM part number and interchangeable numbers visible in the technical specifications, as well as the vehicle data (VIN). This approach minimizes the risk of purchasing an incompatible module and facilitates subsequent configuration.

Technical support and selecting the right ECU

If you want to deepen your knowledge regarding the selection and installation of used controllers, how to verify compatibility, and the principles of safe electronics installation, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. You will find practical tips on working with ECU modules, including BMW light controllers. If you are planning a comprehensive repair or upgrade of the electrical system responsible for lighting control in your BMW and need other components from the same group, such as additional control modules, comfort controllers, or lighting management units, check out the available parts in the BMW electronic control modules and controllers category.