BMW Z4 E85 Third Stop Lamp Brake Light Red 6917378

Visual condition of the part

The product shows signs of use visible in the photos.

BMW Z4 E85 Third Stop Lamp Brake Light is an original component from the Main and center brake lights group, designed for installation in the rear part of the body. The red, centrally positioned brake light improves vehicle visibility, increasing safety during braking and signaling maneuvers. This used OEM component is a sensible choice for drivers looking for a factory fit without the need to invest in a new part.

Specifications and technical data

• SKU: 6917378-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6917378
• Substitutable numbers: 6917378, 63256917378
• Location on the vehicle: Rear
• Color: Red
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the BMW Z4 E85 third brake light

The presented third brake light has been designed specifically for the rear body area of the BMW Z4 E85 generation. Mounted high in the rear of the vehicle, it complements the main brake lights, providing an additional, highly visible braking signal for drivers behind you. This improves signal clarity and reduces the risk of rear-end collisions in urban conditions and on highways.

Construction, color, and optical fit

The red lens of the third brake light is color-matched to the BMW rear optics, allowing for a consistent look across the entire light line. The color has been selected to ensure clear contrast during braking while harmoniously blending with the body design. The element is intended for installation in the factory location, which helps maintain the vehicle's original styling.

Benefits of using an original brake light

Choosing an original third brake light for the BMW Z4 E85 offers a number of practical advantages:

• factory fit for the body and electrical system,
• optical consistency with other rear lamps,
• correct lighting characteristics in accordance with the manufacturer's specifications,
• preservation of the vehicle's original appearance, which is important for resale, among other things.

As a result, the installation proceeds in an orderly manner, without the need for modifications, and the rear lighting system retains the parameters intended for the specific model.

Application in the vehicle's rear lighting system

The third brake light in the BMW Z4 E85 plays an important role in the entire rear lighting system. It works in conjunction with the main brake lights, increasing the visibility of the braking signal in various road conditions, including heavy traffic and limited visibility. The red color of the lens provides clear information to other road users, and its placement in the rear of the vehicle improves signal readability even for taller vehicles, such as SUVs or vans.

BMW brake lights – expansion and selection of components

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 signaling lights, check the available parts in the BMW main and center brake lights category.

Safe selection of used braking and signaling system components

When selecting used components related to braking and signaling, it is worth following proven procedures for checking technical condition and compatibility with a specific vehicle model. To streamline the verification and installation process, a practical guide describing step-by-step how to evaluate used brake system components and related parts may be helpful. Detailed tips can be found in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?.