Mini Cooper R57 Footwell Light Module High EKS PL3 FRM3R Lear Unit 3457402

The Mini Cooper R57 Footwell Light Module High EKS PL3 FRM3R Lear Unit is a specialized component from the Electronic Control Modules and Controllers category, responsible for advanced control of the footwell lighting in the cabin. The module is designed for precise integration with Mini's electrical system, ensuring stable communication with other vehicle systems and predictable operation of comfort functions.

Specifications and technical data

• SKU: 3457402-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3457402
• Substitutable numbers: 3457402, 61353457402
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented footwell light module is part of the comfort system, managing the operation of lights in the driver's and passenger's footwell areas. It is responsible for:

• controlling the intensity and duration of interior lighting,
• interacting with the central body electronics system,
• responding to signals from door opening and ignition sensors,
• coordinating with other interior lighting modules.

Thanks to this solution, cabin lighting operates in an organized and predictable manner, improving vehicle ergonomics and interior visibility after dark.

Construction and Integration with Mini's Electrical System

The module belongs to the group of Electronic Control Modules and Controllers, meaning it is an integral part of Mini's electrical architecture. It was developed by Lear for full integration with the vehicle's communication bus and factory wiring harnesses.

This solution enables:

• maintaining the original logic of interior lighting operation,
• proper interaction with the vehicle's diagnostic systems,
• easier identification of potential faults during servicing.

Using a dedicated module instead of universal replacements reduces the risk of communication errors, unwanted dashboard messages, and coding issues.

Benefits of Using an Original Used Module

The offered component comes from Mini's original solutions, ensuring a perfect fit for the specific vehicle platform. Choosing such a module means:

• maintaining factory interior lighting functionality without altering the electrical system,
• the possibility of using existing mounting points and connectors,
• reduced repair costs compared to new components while maintaining OEM compliance.

A used module is a good solution when the existing controller has been damaged due to overvoltage, water ingress, or installation errors, and needs to be replaced with a component of identical specification.

Application in Service Practice

The footwell light module is often replaced as part of comfort system repairs when symptoms such as lack of footwell illumination, unstable interior lighting operation, or errors stored in the body control module memory appear. In service practice, it is used as a component:

• restoring correct lighting operation after electrical system damage,
• compatible with factory Mini software,
• enabling further diagnostics without the need for wiring modifications.

Due to its role in the body system, module installation should be performed according to manufacturer procedures, and after installation, it is recommended to verify for errors in the diagnostic system.

Related Modules and Service Knowledge

In modern Mini and BMW vehicles, lighting modules, comfort modules, and body control modules are closely interconnected. For more complex repairs, knowledge about the operation of FRM controllers, multimedia systems, and other electronic components can be useful. An extended discussion on the topic can be found in the article: Driving Pleasure for Years – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models, which describes a practical approach to module repair and the use of salvaged parts.

Other Mini Electronic Control Modules and Controllers

If you are also looking for other Mini Electronic Control Modules and Controllers, check out our dedicated offer: Mini Electronic Control Modules and Controllers. This will help you easily select compatible body electronics and comfort system components for your car of this brand.