BMW E87 Xenon Headlight Headlamp Ballast Control Unit Module Valeo 7174448

Specialist coding required

The item offered is a module that requires coding in the vehicle by a specialist.

The module is not plug&play.

BMW E87 Xenon Headlight Headlamp Ballast Control Unit Module Valeo is a specialized component from the Ballasts and igniters for lamps category, designed for operation in the front lighting system of the vehicle. It ensures stable power supply and light control, which translates into safe, predictable headlight performance during daily use.

Specifications and technical data

• SKU: 6938561-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6938561
• Substitutable numbers: 63126938561, 6938561, 73160087, 7174448
• Location on the vehicle: Front
• Category: Headlight Ballasts & Ignitors

Purpose and function of the module

The presented BMW E87 Xenon Headlight Headlamp Ballast Control Unit Module Valeo is designed to work with the factory lighting system in BMW E87 series models. It is responsible for precise control of the front lamp operation, stabilization of power parameters, and proper ignition of light sources, which is important for both road illumination effectiveness and the durability of other headlight components.

Thanks to a design consistent with the solutions used by the vehicle manufacturer, the module works with the electrical system without the need for interfering with the wiring harness or using additional adapters. This solution is particularly beneficial when diagnosing faults related to flickering, dimming, or lack of response from the front lights.

Construction and fitment for BMW

The module belongs to the group of components mounted in the front zone of the vehicle, in the immediate vicinity of the headlights. This placement shortens the signal and power path, reduces voltage drops, and facilitates service. The housing design and connectors are adapted to the factory mounting points in the BMW, which allows for installation in place of the original component without mechanical modifications.

The solution based on Valeo technology ensures consistency with the factory lighting system architecture while allowing for the maintenance of operating parameters specified by the vehicle manufacturer. This is particularly important for cars equipped with advanced light control systems, where proper communication between the module and the installation is crucial for avoiding system errors.

Condition, origin, and advantages of using a used part

The offered item is an original BMW part in used condition, sourced from dismantling. Such OEM components are often chosen as a reasonable alternative to unreliable replacements because they maintain factory operating parameters while allowing for a reduction in the cost of repairing the lighting system.

In the case of control modules and lamp ballasts, compatibility with the vehicle's electronics and long-term operational stability are particularly important. Using an original used module allows for maintaining system consistency, avoiding compatibility issues, and reducing the risk of recurring faults resulting from the use of parts with unverified parameters.

Benefits of a correctly selected light module

Selecting the right BMW E87 Xenon Headlight Headlamp Ballast Control Unit Module Valeo translates into a number of practical benefits:

• stable operation of front headlights and predictable light behavior in various road conditions,
• reduced risk of lighting system errors and warning messages on the instrument cluster,
• protection of other system elements, such as bulbs or headlight electronics, thanks to proper control and ignition,
• preservation of factory lighting characteristics, which is important for driving comfort and safety.

Before purchasing, it is worth comparing the module markings with the vehicle data and manufacturer specifications to ensure full compatibility with the headlight configuration used in the car.

Related materials and other system components

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 additional control modules, ballasts, or igniters, check the available parts in the BMW Ballasts and igniters for lamps category.

When diagnosing electrical problems in the vehicle, including faults related to power supply and warning lights, a practical guide regarding charging system components may be helpful – it is worth reading the article When is it worth replacing an alternator with a used one: a practical guide for drivers to better understand the relationships between individual electrical system components.