BMW E91 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064

BMW E91 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 is a factory-original electronic lighting control module designed for the electrical system of the BMW 3 Series LCI (facelift). As part of the Electronic control modules and controllers category, it is responsible for advanced lighting management, communication with the vehicle's electrical system, and integration with other onboard control units. This solution is intended for users who expect precise operation and full compatibility with BMW's factory architecture.

Specifications and technical data

• SKU: 6827064-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6827064
• Substitutable numbers: 6827064, 61356827064, 9390491, 61359390491, 61358886836, 8886836, 61359383050, 9383050, 61359340339, 9340339, 61359308371, 9308371, 61359286887, 9286887, 61359263803, 9263803, 61359249086, 9249086, 61359240533, 9240533, 61359241008, 9241008, 61359230445, 9230445, 61359224598, 9224598
• Category: ECUs & Computer Modules

Purpose and function of the FRM3R lighting controller

The presented FRM3R PL2 module is a central component responsible for managing exterior lighting and certain comfort functions in the BMW E91 LCI. It controls, among other things, low beam, high beam, parking lights, and turn signals, while communicating with the body electrical system via the vehicle's data bus. Thanks to its design, which adheres to BMW factory standards, it ensures correct interpretation of signals from switches, sensors, and other control units, resulting in stable operation of the entire electrical system.

Construction, compatibility, and integration with the BMW electrical system

As an original module from the Electronic control modules and controllers category, the FRM3R is designed for direct integration with the BMW E91 LCI wiring harness. The connectors, pinout, and mounting points are matched to factory brackets and wiring, facilitating installation and reducing the risk of installation errors. The module is compatible with BMW diagnostic systems, allowing for error reading, coding, and adaptation according to the specific vehicle's equipment.

By utilizing appropriate electronics, the controller can handle advanced lighting functions, such as various lighting modes, bulb failure monitoring, and integration with safety systems. This solution ensures consistent operation of all electrical components within the vehicle body.

Benefits of using an original BMW module

Using an original lighting controller in a BMW E91 LCI offers a number of practical benefits:

• precise fitment to the vehicle's electrical system and architecture,
• maintenance of full functionality of factory lighting systems,
• possibility of diagnostics and coding using standard BMW service tools,
• consistency of operating parameters with other body modules.

The product is offered as a used OEM module, which allows for cost-effective lighting system repair while maintaining factory-grade build quality and logic. This is a particularly advantageous solution in the event of an original controller failure, when cost reduction is a priority without compromising compatibility.

Selection, replacement part numbers, and installation aspects

The module has a dedicated OEM part number and a set of interchangeable numbers, which facilitates matching it to a specific BMW E91 LCI configuration. Before purchasing, it is recommended to verify the part numbers against the currently installed controller or use the BMW parts catalog to select the correct variant for the body style and equipment level. This selection method minimizes the risk of improper system interaction and reduces the need for additional modifications.

During installation, it is recommended to follow BMW service procedures, including proper power disconnection, inspection of connector condition, and potential module coding after installation. This allows for the restoration of full lighting functionality and prevents errors stored in the controller memory.

Condition, practical application, and technical support

The offered controller belongs to the group of used electronic control modules, making it an attractive solution for accident repairs, damage caused by water ingress, or failures resulting from electrical system overloads. In many cases, replacing the FRM3R module restores proper lighting operation, eliminates dashboard error messages, and stabilizes the body electrical system.

If you want to better understand when choosing a used controller is justified and how to safely select such a component for your car, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips on verifying, selecting, and using automotive electronics there.

If you are planning a comprehensive repair or upgrade of the body electronics in your BMW and need other components from the same group, such as comfort modules, door controllers, or lighting management units, check out the available parts in the Electronic control modules and controllers BMW category.