BMW 1 Series E87 LCI Max Brose Footwell Light Module Control Unit FRM3R 9263803

The BMW 1 Series E87 LCI Max Brose Footwell Light Module Control Unit FRM3R is an original, used control module for footwell lighting, designed for facelifted BMW 1 Series E87 models. This component from the Electronic Control Modules and Controllers category ensures the proper functioning of selected comfort features and communication with the vehicle's electrical system. It's a practical service solution for users looking to restore full system functionality without investing in a new part.

Specifications and technical data

• SKU: 9263803-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9263803
• Substitutable numbers: 9263803, 61359263803
• Category: ECUs & Computer Modules

Purpose and Function of the FRM3R Module

The presented FRM3R Max Brose module is responsible for controlling footwell lighting and interacting with other electrical system components in the BMW 1 Series E87 LCI. As a genuine BMW controller, it is optimized for the electrical architecture of this model, ensuring stable operation and predictable behavior of comfort systems.

By using an original controller, consistency with the vehicle's factory software is maintained, which facilitates diagnostics, coding, and potential future updates. This is particularly important for modern systems where many functions are logically interconnected.

Benefits of Using an Original BMW Module

Using an original BMW control module offers a range of practical advantages:

• factory compatibility with the E87 LCI wiring harness and architecture,
• predictable behavior during computer diagnostics,
• the ability to be correctly coded according to the car's equipment specifications,
• reduced risk of errors resulting from the use of inexpensive aftermarket parts.

For workshops and private users, this means a more efficient installation process and a lower risk of communication issues within the vehicle's bus system. Combined with appropriate diagnostics, the module can be an effective way to resolve faults related to footwell lighting and associated functions.

Used Control Module – A Conscious Service Choice

Choosing a used FRM3R controller is a sensible solution for drivers who want to optimize repair costs while maintaining original BMW quality. Such components, sourced from dismantled vehicles, are frequently used in professional workshops, especially where compliance with factory electronics and the possibility of further diagnostic support are crucial.

If you want to better understand how to safely select and install used controllers and other electronic components, check out our guide: Used Car Electronics – How to Consciously Choose Control Modules and Sensors?. You'll find practical tips on selection by OEM numbers, compatibility issues, and common installation-related questions.

Practical Application and Support with Part Selection

The FRM3R Max Brose module is suitable for both routine repairs and comprehensive electrical system overhauls in facelifted BMW 1 Series E87 models. As a part from the Electronic Control Modules and Controllers category, its selection should always be linked to verifying the car's equipment and software configuration.

If you are planning a broader range of repairs and want to source multiple original used parts in one place – from controllers to small mounting elements – our guide might be helpful: How to Source Used Car Parts in One Place and Avoid Problems with Aftermarket Replacements. This provides practical support for planning larger service jobs.

Summary

The BMW 1 Series E87 LCI Max Brose Footwell Light Module Control Unit FRM3R is an original, used control module for footwell lighting, intended for use in facelifted BMW 1 Series E87 models. It represents a functional and economical solution for drivers and workshops that prioritize factory compatibility, stable electronic operation, and the ability for further vehicle diagnostic support.