Light Module BMW E90 Control ECU Unit ECU PL2 FRMFA Lear 6987999

Description

Light Module BMW E90 Control ECU Unit ECU PL2 FRMFA Lear is a specialized electronic lighting control module designed for use in BMW vehicles. It belongs to the Electronic control modules and controllers category and is responsible for the precise management of exterior lighting and selected comfort functions in the vehicle.

Specifications and technical data

• SKU: 6987999-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6987999
• Substitutable numbers: 61356987999, 6987999, KZ
• Category: ECUs & Computer Modules

Function and application of the BMW E90 light module

The presented module acts as the central lighting control unit in the BMW E90 series, working in conjunction with the vehicle’s electrical system and other controllers on the CAN bus. It is responsible for the logical control of low beam, high beam, parking lights, turn signals, and additional functions, based on signals from the car’s switches and sensors.

Thanks to the use of dedicated Lear electronics, the module ensures stable operation of the lighting system, reduces the risk of communication errors, and enables proper diagnostics using factory BMW service software. This solution allows for restoring the correct operation of the lights in the event of a failure of the original controller.

Benefits of using an original electronic module

Choosing an original module from the Electronic control modules and controllers category ensures proper fitment to the vehicle’s electrical system and compliance with factory operating parameters. This means:

• maintaining the full functionality of the factory lighting system,
• proper cooperation with other controllers in the vehicle,
• the possibility of coding and adaptation in accordance with BMW service procedures,
• reduced risk of fault memory errors.

The used OEM module is a solution that allows for optimizing repair costs while maintaining the correct operating parameters of the electrical system. In many cases, it is an effective alternative to new parts, especially when repairing older generations of vehicles.

Selection, installation, and integration with the vehicle’s electrical system

Before installation, it is essential to verify the module’s compatibility with the specific vehicle equipment version and electrical system configuration. In practice, this means checking whether the controller supports the required lighting and comfort functions in the given BMW E90 unit. After physical installation, in most cases, it is necessary to perform coding or programming procedures to adapt the module to the vehicle’s configuration.

Professional installation includes:

• checking the condition of connectors and wiring harnesses,
• proper seating of the controller in the factory mounting location,
• performing post-installation diagnostics to confirm correct communication within the vehicle network.

Such an approach minimizes the risk of recurring faults and ensures stable operation of the lighting system during daily use.

Product condition and practical aspects

The offered module is a used item, which in practice means it has been removed from a vehicle and verified for further serviceability. This type of solution is particularly beneficial for repairing vehicles that are several or more years old, where the balance between cost and part functionality is key.

By choosing this controller, you gain access to original BMW electronics that have already been verified under real-world operating conditions. It is a practical option for workshops specializing in the BMW brand and users who want to restore the efficiency of the lighting system without having to invest in a new component.

More modules for BMW and knowledge about used electronics

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

To better assess when choosing a used controller is justified, how to verify its selection, and what to pay attention to during installation, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?