BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073

The BMW X5 E70 LCI Light Control Module Computer is a specialized component from the Electronic Control Modules and Controllers group, designed to manage the lighting system in the rear of the vehicle. This solution is engineered to maintain the factory logic of light operation, ensure proper communication with the electrical system, and guarantee stable performance of comfort and safety systems in the facelifted BMW X5 E70.

Specifications and technical data

• SKU: 9249073
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9249073
• Substitutable numbers: 9249073, 61359249073, KD
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Module Purpose and Function

The Light Control Module Computer is responsible for the electronic control of lighting located in the rear of the vehicle body. It manages signals for position lights, brake lights, turn signals, and license plate illumination, collaborating with other controllers in the vehicle.

Its placement in the rear of the vehicle allows for shorter wiring harnesses and reduced signal loss, leading to more stable system operation. This enables the controller to react faster to signals from switches and sensors, maintaining the consistent operation of the entire lighting system.

Compatibility and Integration with BMW X5 E70 LCI

The presented controller is designed specifically for the facelifted (LCI) BMW X5 E70 model, ensuring full integration with the car's electrical architecture. This means it is adapted to the communication bus, light operation logic, and error diagnosis methods used by the onboard system.

By utilizing original control logic, the module works seamlessly with factory switches, sensors, and other controllers, simplifying diagnostics and minimizing the risk of error messages. This is particularly important in premium vehicles where the consistent operation of electronics directly impacts user comfort.

Characteristics of a Used Component

The offered light controller is a used part from the aftermarket, allowing for an economical repair of the lighting system while maintaining the original manufacturer's specifications. A used module from this group, when correctly selected and installed, can effectively replace a damaged factory component, restoring proper function to the rear vehicle lights.

Choosing such a solution is particularly beneficial for advanced electronic systems where maintaining compatibility with the factory configuration is more critical than using replacements with uncertain compatibility.

Benefits of Using a Dedicated Controller

Using a dedicated light control module for the BMW X5 E70 LCI offers a range of practical benefits:

• maintaining the factory logic of rear vehicle lighting operation,
• proper cooperation with the electrical system and other controllers,
• easier fault diagnostics due to compatibility with the BMW onboard system,
• the possibility of economical lighting system repair while preserving original parameters.

For users who wish to maintain the electronic consistency of their vehicle, choosing such a component is a sensible compromise between cost and proper functionality.

Support with Selection and Technical Knowledge

When selecting a light controller for a specific BMW X5 E70 LCI version, it is crucial to pay attention to compatibility with the vehicle's configuration and electronic parameters. In practice, this means verifying manufacturer markings, hardware and software compatibility, and matching the car's equipment.

If you wish to deepen your knowledge on safely choosing aftermarket electronics, how to verify compatibility, and practical aspects of installation, consult the Global Parts guide: Used Automotive Electronics Onboard – Why Choose 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 lighting computers, check the available parts in the BMW Electronic Control Modules and Controllers category.