BMW F40 Fog Lamp Front Bumper Light Left N/S 8089979

BMW F40 Fog Lamp Front Bumper Light Left N/S is a functional fog light designed for installation in the front bumper on the driver's side. This component improves visibility in difficult weather conditions, increasing driving safety and ensuring a consistent look for the front of the vehicle.

Specifications and technical data

• SKU: 8089979
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 8089979
• Substitutable numbers: 8089979, 63178089979
• Location on the vehicle: Front, Left
• Category: Fog Light Assemblies

Purpose and function in the vehicle

The presented fog light has been designed to operate in the front of the vehicle, on the left side, integrated into the bumper line. Its task is to illuminate the road directly in front of the car during limited visibility, such as fog, heavy rain, or snow. Thanks to the precisely shaped light beam, the driver gains better control over the driving path, and the vehicle remains more visible to other road users.

The fog light works with the factory lighting system, which allows for maintaining compliance with the original electrical installation and the homologation parameters provided for this model.

Technical characteristics and installation

The BMW F40 Fog Lamp Front Bumper Light Left N/S is structurally matched to the specific shape of the BMW F40 bumper, which facilitates seating in the factory mounting points. The appropriate profiling of the housing and the lens allows for correct direction of the light beam, minimizing glare and improving lighting efficiency in the zone directly in front of the vehicle.

The element is intended for installation in:

• the front bumper,
• the left side of the vehicle,
• the location of the factory fog light.

This configuration facilitates efficient replacement of a damaged fog light without the need for modifying the installation or interfering with the bumper structure.

Benefits of using an original fog light

Using an original fog light in the BMW F40 allows for maintaining the optical consistency of the front of the vehicle and the appropriate lighting parameters. Factory fitment reduces the risk of leaks, lens fogging, or incorrect light distribution, which can be a problem with lower-quality replacements.

Key advantages of this solution include:

• maintaining the original light beam geometry,
• compatibility with factory brackets and mounting points,
• consistent appearance with other front lighting elements,
• easier diagnostics and service in the future.

As an element in the Fog lights category, this fog light is an important supplement to the main headlights, especially in daily use in changing weather conditions.

Condition of the element and practical application

The offered fog light is a used item, which makes it a reasonable choice for drivers looking for a compromise between repair costs and maintaining the original vehicle specification. This type of component will work well both for standard replacement of a damaged light and for rebuilding the front after a collision, when the priority is matching the factory design.

Choosing used, original lighting is particularly attractive in the case of premium segment cars, where maintaining the original build quality and operating characteristics of the lighting system is significant for driving comfort and safety.

Expanding the lighting system and additional information

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other elements from the same group, such as fog lights for the right side, additional fog light modules, or complete bumper sets, check the available parts in the Mercedes Fog lights category.

For drivers interested in the broader context of using used components in premium class cars, a valuable addition to your knowledge will be an article describing current trends in the parts market. You can find more on this topic in the material: Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.