BMW X3 F25 Headlight Lamp LED Ballast Module Control Unit Lear TMS AHL 7316209

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 F25 Headlight Lamp LED Ballast Module Control Unit Lear TMS AHL is a specialized lighting system component responsible for the precise control of LED headlights with the AHL function. The module works in conjunction with the vehicle's electronics, ensuring stable light operation and proper response to road conditions. As such, it is a key component of the front lighting system in the BMW X3 F25.

Specifications and technical data

• SKU: 7316209
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7316209
• Substitutable numbers: 7316209
• Location on the vehicle: Front
• Category: Headlight Assemblies

Purpose and function of the LED lamp control unit

The presented control unit is dedicated to the Front lights system in the BMW X3 F25 model, where it is responsible for operating the Lear TMS AHL LED headlights. Its task is to manage the operation of lighting modules, including light beam distribution, light intensity, and interaction with the vehicle's safety systems. Its location in the front of the vehicle area allows for a direct connection to the headlights and the electrical installation.

Construction and integration with BMW electronics

The control unit has been designed as an OEM BMW system component, which ensures proper fitment with the electrical installation and the vehicle's communication network architecture. The module works with sensors and other body control units to maintain stable operating parameters for the Lear TMS AHL LED headlights. As a result, the lighting system remains compliant with the vehicle's factory settings, and light responses are consistent with the logic of driver assistance systems.

Benefits of using an original module

Using an original control unit in the BMW X3 F25 allows for maintaining the full functionality of the factory lighting system, including the correct operation of low and high beam modes as well as adaptive AHL functions. A properly selected module reduces the risk of errors in the vehicle's diagnostic system and minimizes compatibility issues. This solution is particularly beneficial for post-collision repairs or LED headlight replacements, where consistency of electronics with the original car configuration is essential.

Condition, verification, and service application

The item comes from disassembly and is offered as a used part, which allows for an economical repair of the lighting system while maintaining a component compliant with BMW's factory specifications. This type of control unit is suitable for both professional service centers and workshops specializing in automotive electronics, where the ability to restore full functionality of Lear TMS AHL LED headlights without interfering with the vehicle's installation is valued.

If you are planning a comprehensive repair or upgrade of the front lighting zone in your BMW and need other elements from the same group, such as headlights, adjustment modules, or complete lamp assemblies, check the available parts in the BMW Front lights category.

Operation of a used control unit and additional tips

When installing a used control unit, it is worth paying attention to the correct connection of the wiring harness, the condition of the connectors, and the adaptation procedure in the vehicle's diagnostic system. Proper operation and periodic inspection of the electrical installation allow for extending the trouble-free operation time of the lighting electronics. Additional practical tips regarding the maintenance and use of components from disassembly can be found in the article How to extend the service life of used car parts?, which discusses, among other things, good practices for automotive electronics components.