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 vehicle body. The red, centrally positioned light improves vehicle visibility during braking and increases road safety. A used OEM component is a sensible choice for drivers looking for factory fitment, predictable operation, and an attractive price.

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 stop lamp

The presented third stop lamp is dedicated to the rear body of the BMW Z4 E85 and acts as an additional, central braking signal. Its placement in the upper rear zone of the vehicle makes the light signal more visible to drivers behind, even in heavy traffic or limited visibility conditions.

The red lens color ensures clear, regulation-compliant information about braking, and the OEM design allows for stylistic consistency with the vehicle's other lamps. As a result, the component fits well into the roadster's body line and does not require any bodywork modifications.

Construction, color, and body fitment

The third stop lamp for the BMW Z4 E85 has been designed as an integral part of the vehicle's rear, taking into account the shape of the trunk lid and body contours. The red lens is matched to harmonize with the color of the main tail lamps, which allows for a consistent, factory look of the entire lighting zone.

Original mounts and housing geometry facilitate installation in the place provided by the manufacturer. Thanks to this:

• proper sealing between the lamp and the body is maintained,
• the beam angle remains consistent with the factory design,
• there is no need for additional adapters or wiring modifications.

Performance parameters and role in driving safety

The central third stop lamp in the BMW Z4 E85 plays an important role in communicating with other road users. An additional light point on the rear of the vehicle:

• increases the readability of the braking signal, especially at higher speeds,
• improves the visibility of the car in a column of vehicles,
• reduces the risk of rear-end collisions in limited visibility conditions.

By using an original element from the Main and center brake lights group, compatibility with the vehicle's electrical system is maintained, and the operation of the lighting system remains stable and predictable.

Condition, origin, and benefits of choosing a used OEM part

The offered third stop lamp is a used component, sourced from dismantling, which allows combining factory fitment with an attractive price. Choosing an original BMW component means:

• maintaining compliance with the vehicle manufacturer's design,
• secure fitment with the trunk lid and other body elements,
• no need for electrical wiring modifications.

This solution is particularly beneficial for post-accident repairs, replacing damaged lighting, or restoring the car to a factory-like condition.

Expanding the BMW lighting system – related elements

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 tail lamps, additional center lights, or lighting control modules, check the available parts in the BMW main and center brake lights category.

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