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 an original part from the Main and center brake lights category, designed for installation in the rear of the vehicle. The white lens of the third brake light provides a clear braking signal and a consistent look for the rear of the body, maintaining the factory BMW styling. This is a practical solution for users who want to restore full functionality of the brake lighting in their BMW X3 E83.

Specifications and technical data

• SKU: 3440439-3
• 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 of the third brake light

The presented third brake light has been designed specifically for the rear of the BMW X3 E83 as an additional, high-mounted braking signal. Its purpose is to increase vehicle visibility for drivers behind, especially in heavy traffic and adverse weather conditions. This improves the car's active safety, making the reaction of other road users to braking faster and more predictable.

Construction and fitment for the BMW X3 E83

The component is constructed as a part compliant with BMW factory solutions, which translates into a precise fit for the X3 E83 body. The white rear brake light lens harmonizes with the vehicle's styling line, maintaining a consistent look for the tailgate. Installation takes place in the location provided by the manufacturer, without the need for any modifications to the body structure.

By maintaining the original housing geometry and mounting points, replacing a damaged or leaking third brake light with this part allows for restoring proper adhesion to the bodywork and reducing the risk of moisture ingress. This is particularly important for the durability of the electrical system and the stability of the light beam.

Performance parameters and benefits of installation

The third brake light in the rear of the BMW X3 E83 plays an important informational role for vehicles behind, which is why its efficiency has a direct impact on driving comfort and safety. Using a white lens in combination with the appropriate light source ensures a clear, highly visible braking signal. Maintaining the factory lighting system helps avoid errors in light control systems and ensures compliance with homologation requirements.

Replacing a worn or damaged part with this model means:

• restoring full functionality of the rear brake lighting,
• maintaining the original appearance of the rear bodywork,
• reducing the risk of malfunctions resulting from leaks or mechanical damage,
• maintaining proper cooperation with the vehicle's electrical system.

Product characteristics and condition

The offered third brake light for the BMW X3 E83 comes from the Main and center brake lights category and is a used part, which allows for an economical repair of the lighting system while maintaining the original specification. This type of component is particularly beneficial in situations where priority is given to compliance with the factory design and fitment for a specific vehicle model.

Thanks to the preservation of the construction intended by the manufacturer, the installation proceeds in a predictable manner, and the part integrates with the other components of the tailgate after installation. This is a solution for users who expect a functional, technically correct replacement without the need to use aftermarket parts with uncertain fitment.

Expanding BMW lighting upgrades

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 additional brake lamps, central light modules, or supplementary lamps mounted in the tailgate, check the available parts in the BMW main and center brake lights category.

If you are interested in a broader context of using second-hand parts in the automotive industry, including premium vehicles, it is worth reading an article describing a practical approach to tuning and repairs using used components: Audi on second-hand parts – tuning and repairs without loss of quality.