BMW E87 Phares Xénon Module de Contrôle Ballast Valeo 7174448

BMW E87 Ballast Module LED Valeo 7174448 is a specialized component in the Ballasts and Ignitors for Lamps category, designed for the front lighting system in BMW 1 Series E87 vehicles. The used LED module ensures stable power supply to the lamps, supporting the proper functioning of the headlights and maintaining the original operating characteristics of the lighting system. This is a solution for drivers who want to restore full lighting functionality without compromising on a component that is compatible with BMW's design.

Spécifications et données techniques

• UGS: 6938561-3
• Marque: d'origine BMW
• Condition: D'occasion
• Numéro de pièce OEM: 6938561
• Nombres substituables: 63126938561, 6938561, 73160087, 7174448
• Emplacement sur le véhicule: Avant
• Catégorie: Autres

Application and Function of the LED Module

The LED ballast is responsible for stabilizing the lamp power parameters and proper control of the light source in the front headlights. A correctly selected module:

• ensures appropriate brightness and color of light consistent with the vehicle manufacturer's specifications,
• reduces the risk of flickering or extinguishing of LED lamps,
• supports correct interaction with the BMW E87's onboard electronics.

Its placement at the front of the vehicle helps maintain the original lighting geometry, which is important for both driving safety and regulatory compliance.

Compatibility and Reference Numbers

The offered module comes from the BMW parts line and is compatible with OEM designations. It also has assigned replacement numbers, which simplifies the selection of the correct component for a specific headlight configuration. This allows the ballast to be matched to the existing installation without the need for modifications to the wiring harness or lamp housing.

To ensure proper fit, it is recommended to compare the markings on your current module and verify compatibility with your vehicle's service documentation or BMW parts catalog.

Product Characteristics and Installation

The LED ballast for BMW E87 is designed to operate in the demanding conditions of the front compartment, where temperature fluctuations, humidity, and vibrations occur. The module's construction is prepared for installation in the factory-designated location by the vehicle manufacturer, which facilitates:

• maintaining the headlight system's seal,
• proper heat dissipation from the electronics,
• trouble-free future servicing.

In most cases, installation is a plug-and-play process, provided the part is selected correctly. Installation by an automotive electrician or a workshop familiar with BMW lighting specifics is recommended to avoid installation errors and dashboard fault messages.

Condition, Origin, and Benefits of Choosing a Used Module

The offered component is used, which significantly reduces repair costs compared to purchasing a new module while maintaining original BMW specifications. Choosing this solution is particularly beneficial when:

• the existing module has been damaged due to water ingress, power surge, or lamp failure,
• lighting errors appear on the instrument cluster,
• LED headlights stop working or operate unstably.

A used module with retained functionality allows for the restoration of the lighting system's efficiency within a reasonable budget, without the need for aftermarket alternatives with uncertain parameters.

Ballasts and Ignitors for BMW Lamps – Selecting the Right Part

If you are looking for other components in the Ballasts and Ignitors for BMW Lamps category, you can visit our dedicated subpage, where you will find a wide selection of modules tailored to various BMW models: ballasts and ignitors for BMW lamps.

Practical Service Tips

Problems with front lighting often occur alongside other electrical system faults, such as voltage drops or unstable accessory operation. In such situations, it is also worth paying attention to the charging system. A guide describing when it is worthwhile to opt for used components – especially for key electrical parts – can be helpful. More practical information can be found in the article: When is it worth replacing an alternator with a used one: a practical guide for drivers.

Summary

The BMW E87 LED Ballast Module Valeo 7174448 is a functional choice for drivers who want to restore the efficiency of their front lighting while maintaining the specifics of the original BMW system. A correctly selected and properly installed module ensures stable operation of LED lamps, improves driving comfort after dark, and supports road safety, while remaining an economical solution due to the use of a pre-owned part.