BMW F90 M5 Lamp Reflector Rear Left N/S Bumper Trim Reflection Red 7857005

The Rear Left Bumper Reflector for BMW F90 M5 is a precisely designed component from the Reflective Lights category, enhancing vehicle visibility after dark and in low-visibility conditions. This red bumper reflector, mounted on the rear left side, provides a clear light signal to other road users and helps maintain the factory appearance of the BMW M5 F90 sports sedan.

Specifications and technical data

• SKU: 7857005
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7857005
• Substitutable numbers: 7857005, 63147857005, KD
• Location on the vehicle: Rear, Left
• Color: Red
• Category: Reflectors

Purpose and Function of the Component

The presented reflective light is designed for installation in the rear bumper on the left side of the BMW F90 M5 model. Its purpose is to increase vehicle visibility during nighttime and when illuminated by other vehicles' headlights, contributing to a higher level of passive safety.

The red color of the reflector is consistent with the typical marking of a vehicle's rear, allowing drivers behind to intuitively recognize the car's position on the road. This component complements the function of the rear lights, creating a cohesive and clear signaling system.

Benefits of Using an Original BMW Reflector

Using an original reflector from the BMW M5 F90 series ensures proper fit to the bumper's shape and correct positioning relative to other lighting elements. This maintains the consistency of the body line, and installation does not require modifications or adjustments to the mounting points.

Key advantages of this component include:

• dedicated placement in the rear left part of the bumper,
• a red reflector providing clear signaling of the vehicle's position,
• preservation of the original BMW F90 M5 styling,
• the ability to restore full functionality of the reflector system after damage or wear of the previous component.

In many cases, using this component allows for an economical repair without compromising the original geometry and optical characteristics specified by the manufacturer.

Installation and Usage Characteristics

The reflector is structurally designed for the rear of the vehicle, where it is exposed to dirt, water, and varying weather conditions. The reflective surface structure is engineered to effectively direct light from other vehicles' headlights back towards them, increasing the visibility of the BMW M5 F90 at a distance.

When correctly installed in the left section of the rear bumper, the component forms a cohesive line with the right reflector and the rear lights, which is important for both safety and the aesthetics of a premium car.

Application in Service and Body Repairs

This rear left bumper reflector is particularly useful in situations where the vehicle has undergone accident repair, bumper replacement, or local painting, and the missing passive lighting element needs to be replaced. Choosing an original reflector simplifies the work for body and paint shops, allowing for quick fitting and maintaining factory mounting gaps.

If you are considering a broader range of work on lighting and optical elements for your BMW and require other components from this group, check the available parts in the BMW Reflective Lights category.

Technical Support and Additional Knowledge

When modernizing or repairing safety-related systems, it is also beneficial to understand the operation of other systems, such as exhaust gas recirculation, which affect the overall engine efficiency and emissions – more information can be found in the article EGR: What it is and why considering used EGR valves is worthwhile.