BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445

BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 is an original component from the Electronic control modules and controllers group, designed for advanced lighting management in BMW 3 Series E90 vehicles. This used controller allows for an economical yet professional repair of the lighting system, maintaining factory operating logic and full integration with the vehicle's electrical installation.

Specifications and technical data

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

Purpose and function of the BMW E90 light controller

The presented module is responsible for the electronic control of exterior and interior lighting in the BMW E90, working in conjunction with the vehicle's installation and other onboard controllers. Its tasks include implementing lighting settings, handling signals from switches and sensors, and transmitting appropriate commands to lamp circuits.

By using an original controller from the Electronic control modules and controllers family, consistency with the BMW electrical architecture is maintained, which reduces the risk of communication errors in the bus and software compatibility issues.

Benefits of using an original BMW module

Using a factory light controller in a BMW E90 provides a number of practical advantages:

• preservation of the original lighting operating logic and dashboard messages,
• proper cooperation with other controllers in the vehicle,
• appropriate electrical and mechanical fit for the BMW E90 installation,
• possibility of professional diagnostics and coding using standard BMW service tools.

For workshops and individual users, this means stable operation of the lighting system and easier troubleshooting of potential faults in the future. The used OEM component is also a cost-effective solution compared to a new part.

Selection by OEM number and interchangeable numbers

The module should always be selected based on the OEM number and available interchangeable numbers, taking into account the vehicle's equipment version. This allows for verification of hardware and software compatibility with a specific BMW E90 unit, minimizing the risk of problems after installation.

Before purchasing, it is worth comparing the markings on the currently installed controller and consulting the selection with a mechanic or seller, especially in the case of cars after lighting modifications or collisions.

Condition, installation, and service aspects

The offered module is a used component, which in practice means it comes from disassembly and has been verified for suitability for further operation. Such controllers are designed for long-term operation in difficult temperature and electrical conditions, which is why their reuse in another vehicle is a common and rational service practice.

Installing a light controller in a BMW E90 requires access to the electrical system and, in most cases, performing coding or adaptation procedures using appropriate diagnostic software. Installation in a specialized workshop is recommended to ensure proper connection, configuration, and verification of all lighting functions.

Technical support and selection of used electronics

If you want to better understand how to safely select and install used controllers and other automotive electronic components, it is worth using the practical Global Parts guide. Detailed information on selection by VIN/OEM, hardware and software compatibility, and frequently asked questions can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

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