BMW 1 E87 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9308371

Description

BMW 1 E87 Light Control Footwell Module ECU MAX Brose FRM3R PL2 is an original control module for lighting and electrical functions in the footwell area, designed for the BMW 1 Series E87. This component is responsible for precise management of lighting operation and selected comfort systems, ensuring stable communication with the vehicle’s electrical installation. Thanks to its OEM design, the module maintains full compatibility with the car’s electrical architecture and factory safety standards.

Specifications and technical data

• SKU: 9308371-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9308371
• Substitutable numbers: 61359308371, 9308371, EM, 61358886836, 8886836, 61356827064, 6827064, 61359390491, 9390491, 61359383050, 9383050, 61359340339, 9340339, 61359286887, 9286887, 61359263803, 9263803, 61359249086, 9249086, 61359240533, 9240533, 61359241008, 9241008, 61359230445, 9230445, 61359224598, 9224598
• Category: Other Interior Parts & Accessories

Purpose and function of the FRM3 module

The presented controller is an advanced FRM3 module used in the BMW 1 Series E87, responsible for handling exterior and interior lighting as well as selected comfort functions in the front part of the vehicle. As an electronic component working with the CAN bus, it provides:

• coordination of low beam, high beam, and position light operation,
• handling of turn signal and hazard light signals,
• control of selected functions in the driver and passenger footwell area,
• communication with other control units in the vehicle.

As a result, the module acts as a key element of the electrical system responsible for safe and predictable lighting performance during daily operation.

Construction, compatibility, and markings

The module was developed by manufacturers Brose and Lear, who specialize in automotive electronics, which translates into stable operation in demanding temperature and vibration conditions. The FRM3R and PL2 markings identify the specific generation of the controller used in the BMW 1 Series E87, which facilitates the selection of parts based on compatibility with the vehicle’s installation.

The component has a dedicated OEM part number and a set of interchangeable numbers, allowing it to be used as a fully-fledged replacement for the factory module in various equipment versions of this model. Before purchasing, it is recommended to compare the markings on the old controller with the data in the specification to confirm compatibility.

Service application and installation

The FRM3 module in the BMW 1 Series E87 is most often replaced in the event of lighting problems, such as:

• lack of response from selected lights despite functional bulbs and fuses,
• lights turning on by themselves or flickering,
• lighting controller communication errors in computer diagnostics.

Due to the nature of the electronic component, installation by a workshop with access to appropriate BMW diagnostic software is recommended to correctly perform coding or adaptation of the module. A correctly selected and configured controller allows for the restoration of stable lighting system operation without the need for interference with electrical wiring.

Condition, origin, and benefits of choosing BMW OEM

The offered module comes from the BMW OE line, which means maintaining factory manufacturing standards, quality of used components, and full fitment to the vehicle’s installation. Choosing an original controller instead of random replacements reduces the risk of communication problems in the CAN network, errors in controller memory, and incorrect light operation.

The used condition allows for economical repair while maintaining the high quality of an OEM component. This solution is particularly beneficial for comprehensive service work on older BMW 1 Series E87 models, where both reliability and reasonable operating costs are important.

If you are planning a comprehensive repair or upgrade of the electrical zone in your BMW and need other components from the same group, such as comfort modules, light controllers, or ECU units, check the available parts in the Other BMW category.

Technical support and knowledge about sports versions

If you are interested in how manufacturers develop powertrains, braking systems, and suspensions in more powerful model variants, it is worth expanding your knowledge about solutions used in other brands. A good point of reference is comparing standard versions with top sports lines – the differences in controllers, calibrations, and components are particularly evident there. You can find more on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how extensive electronic systems work with mechanical components in high-performance cars.