BMW X3 E83 Third Stoplamp Stop Lamp Brake Light White Rear Additional 3440439

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 E83 Third Stoplamp Stop Lamp Brake Light White Rear Additional is a precisely engineered, additional rear brake lighting element that improves signal visibility for drivers behind you. The white lamp housing blends harmoniously with the vehicle's body lines, and the design, compliant with factory BMW standards, ensures proper compatibility with the vehicle's electrical system. This used component allows for an economical yet safe replacement of a damaged original part.

Specifications and technical data

• SKU: 3440439-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3440439
• Substitutable numbers: 3440439, 63253440439, 3411772, 63213411772
• Location on the vehicle: Rear
• Color: White
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the BMW X3 E83

The offered third brake light is dedicated to the rear of the BMW X3 E83 body and functions as an additional brake light. Positioned higher than the main tail lights, it increases the visibility of the brake signal, especially in heavy city traffic and when driving in adverse weather conditions.

The element belongs to the Main and center brake lights group, making it an integral part of the lighting system responsible for brake signaling. A properly functioning third brake light supports the vehicle's active safety and helps meet technical inspection requirements.

Construction, color, and fitment

The lamp features a white housing, which facilitates aesthetic integration with the rear tailgate or spoiler of the BMW X3 E83. This color scheme helps maintain a consistent vehicle appearance while emphasizing the factory-fit nature of the installation. The design intended for rear placement allows for mounting in original attachment points without the need for bodywork modifications.

As an OEM BMW part, the lamp is designed for proper fitment with body components and correct wiring harness routing. This reduces the risk of leaks, looseness, or improper illumination, which often occur with lower-quality aftermarket replacements.

Benefits of using an original third brake light

Using an original third brake light in the BMW X3 E83 offers a number of practical benefits:

• preservation of factory illumination geometry and a clear brake signal for vehicles behind you,
• secure fitment to the rear body without the need for mounting modifications,
• consistent appearance with other lighting elements and vehicle styling,
• reduced risk of electrical system errors due to compatibility with factory connectors.

For users who want to restore full functionality to the lighting system after a collision or failure, this is a solution that allows for a technically correct and predictable repair without compromising safety.

Condition, verification, and service application

The offered lamp is a used item, which allows for lower repair costs while maintaining the original BMW specification. Such components are frequently chosen by professional workshops and informed users who prefer OEM parts from dismantling over uncertain quality aftermarket replacements.

Before installation, it is recommended to perform a standard check of the vehicle's electrical system and the correct seating of seals at the mounting point to fully utilize the potential of the offered element and avoid moisture issues in the rear of the vehicle.

Expanding the BMW lighting system

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your BMW and need other elements from the same group, such as main brake lights, center modules, or additional signaling segments, check the available parts in the BMW main and center brake lights category.

For drivers interested in optimizing service costs and making informed choices regarding used components, material comparing different technical solutions and repair strategies may be helpful. In this context, it is worth reading the article Volkswagen 1.9 TDI vs 1.4 TSI – engine evolution and repair costs using the example of used parts, which shows how to reasonably plan maintenance expenses while maintaining an appropriate level of reliability.