BMW E82 Light Control Footwell Module ECU Basis FRM3R PL2 Lear 9269815

BMW E82 Light Control Footwell Module ECU Basis FRM3R PL2 Lear is a specialized module for controlling lighting and electrical functions in the footwell area, designed for BMW vehicles. It is an OEM-grade electronic component that integrates light control and selected comfort circuits, ensuring consistent operation of the vehicle's electrical system. Thanks to its ECU design, the module works with the vehicle's bus, enabling precise diagnostics and stable system performance.

Specifications and technical data

• SKU: 9269815-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9269815
• Substitutable numbers: 61359269815, 9269815
• Category: Other Interior Parts & Accessories

Purpose and function of the FRM3R module

The presented FRM3R module is responsible for controlling exterior and interior lighting in the footwell area as well as selected comfort functions, working in conjunction with the BMW E-series electrical system. As an electronic control unit (ECU), it communicates with other controllers in the vehicle, which allows for logical load management, error monitoring, and the operation of advanced lighting functions.

The module is particularly important in vehicles equipped with extensive lighting systems, where precise current distribution, overload protection, and the ability to read faults via a diagnostic system are required. The use of a dedicated controller in the footwell area helps to reduce local voltage drops and improves the reliability of the entire system.

Electronic construction and integration with the BMW electrical system

BMW has used a Basis FRM3R type module in this solution, which combines several lighting and comfort control functions in one housing. The electronics are based on an ECU controller, which enables:

• communication with the vehicle network and other controllers,
• handling of multiple lighting outputs with individual monitoring,
• saving errors and operating states in the module's memory,
• adjusting the configuration to the specific vehicle specification during programming.

As a result, the module can be included in the vehicle's diagnostic process, and its parameters can be read and modified using appropriate service tools. Consistency with the BMW electrical architecture translates into predictable system behavior after replacement or coding.

Application in service practice

The FRM3R module is used both for repairs after lighting failures and for work related to upgrading the electrical system in the BMW E-series. Replacing this component is often necessary after damage resulting from overloads, short circuits in the installation, or power supply problems. In service practice, it is important to perform proper coding and adaptation of the module to the specific vehicle after installation, so that all lighting and comfort functions operate according to the factory specification.

Due to the nature of the ECU, the module should be installed by a workshop with experience in BMW electronics and access to appropriate diagnostic software. This helps to avoid communication errors in the vehicle network and ensures stable operation of the entire system.

Product characteristics and condition

The offered item comes from the BMW line and is compatible with the factory lighting control concept in E82 models and structurally related vehicles. As a used part, the module is an attractive solution for users and workshops looking for an original controller at a better price than a new component. Such elements are often chosen for accident repairs, restorations, and restoring full functionality to the electrical system.

Choosing an original ECU module instead of a replacement promotes compatibility with the vehicle's software, which is important for updates, diagnostics, and subsequent service work. This solution is particularly appreciated by workshops specializing in the BMW brand.

Expanding the BMW electrical system – category and related items

If you are planning a comprehensive repair or upgrade of the electrical system area in your BMW and need other items from the same group, such as additional control modules, wiring harnesses, or sensors cooperating with body electronics, check the available parts in the Other BMW category.

Technical knowledge and component selection

When working with ECU modules in premium vehicles, it is worth using current knowledge about the differences between individual controller versions, their software, and their impact on the car's performance and behavior. To compare manufacturers' approaches to electronics configuration, powertrains, and braking systems, you can use expert materials, such as the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how extensive control systems affect the character of the car and the selection of spare parts.