BMW 1 Series E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251486

The BMW 1 Series E81 Footwell Light Control Module (FRM3R BASIS PL2) is an original ECU unit responsible for advanced management of footwell lighting and associated comfort functions. Thanks to BMW's factory design, the module ensures proper communication with the vehicle's electrical system and stable cooperation with other control units in the car, leading to trouble-free operation.

Specifications and technical data

• SKU: 9251486
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9251486
• Substitutable numbers: 61359251486, 9251486, AS

Purpose and Function of the FRM3R Module

The presented control unit is an element of the electronic system responsible for handling lighting in the footwell area of the BMW 1 Series E81 model. As an ECU module, it cooperates with the body's electrical system, monitoring the operation of interior lights according to signals from other vehicle systems. Using an original unit helps maintain consistency with the factory configuration and reduces the risk of communication errors on the bus.

Construction and Integration with the Electrical System

The BMW 1 Series E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R is designed as a control unit to be installed in the footwell area, with direct connection to the vehicle's wiring harness. The module's design includes:

• dedicated connectors for the factory BMW wiring harness,
• integration with the body system via digital communication,
• operation of interior lighting functions according to the manufacturer's logic.

This makes installation a matter of correctly connecting the control unit in place of the factory component, without the need for wiring modifications, provided hardware and software compatibility is maintained.

Benefits of Using an Original Used Module

Using an original used BMW control unit is a solution that allows for control of repair costs while maintaining factory quality. This type of module is particularly attractive in situations where the existing unit has been damaged due to flooding, electrical overload, or installation errors.

To select the appropriate control unit for a specific car, it is advisable to use selection by OEM number or interchangeable numbers and VIN. A detailed discussion of this process, along with practical examples, can be found in the guide: why it's worth choosing used ECU modules and how to select them by VIN and part numbers.

Professional Selection and Compatibility

When choosing the FRM3R BASIS PL2 module, it is crucial to pay attention to the compatibility of the hardware and software versions with the vehicle in which it will be installed. In practice, this means comparing the markings on the control unit's housing with the unit installed in the car or consulting the BMW parts catalog.

For users who plan a broader replacement of electronic components or are interested in the used parts market, a guide to popular components may also be helpful: check the compilation of the most frequently chosen original used parts for popular car models.

Summary of Application in BMW 1 Series E81

The FRM3R Footwell Light Control Module for BMW 1 Series E81 is a factory ECU unit designed for direct cooperation with the electrical system of this model. A correctly selected and properly installed control unit allows for the restoration of proper operation of interior lighting and associated comfort functions, representing a technically matched service solution for BMW vehicle owners.