Rear Bumper Cover BMW F30 F31 M Sport Diffuser Trim Single Exhaust Rear 8054198

Visual condition of the part 

The product shows signs of use visible in the photos. 

Rear Bumper Cover BMW F30 F31 M Sport Diffuser Trim Single Exhaust Rear is a precisely profiled rear body component that improves aerodynamics and visually organizes the lower edge of the bumper. This used, original part ensures a factory-fit to the body lines, and the black finish blends well with both light and dark paint jobs. It is a practical solution for drivers who want to restore the stock look of their car or perform an aesthetic repair after bumper damage.

Specifications and technical data

• SKU: 8054198-2
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 8054198
• Substitutable numbers: 8054198, 51128054198
• Location on the vehicle: Rear
• Color: Black
• Category: Bumpers & Reinforcements

Purpose and function of the component

The cover acts as a lower rear bumper spoiler, creating a cohesive visual line and streamlining airflow at the rear of the vehicle. Mounted in the rear zone, it functions as a bumper diffuser, which reduces air turbulence under the car and improves stability at higher speeds. At the same time, it masks the lower structural elements, contributing to a more organized appearance of the rear bodywork.

Construction, color, and fitment

The component is finished in black, which facilitates integration with factory bumper trims and inserts. The dark finish allows for:

• easy matching with most BMW F30/F31 styling configurations,
• maintaining a subdued, technical character of the rear bodywork,
• the possibility of further customization (e.g., painting or wrapping) without the need for structural modifications.

The geometry of the cover is prepared for standard mounting points, which promotes installation in accordance with factory specifications and minimizes the risk of misalignment.

Installation characteristics

The diffuser is designed for installation in the rear bumper zone, replacing the factory cover. The design, intended for standard mounts, allows for:

• installation without the need to interfere with the bumper structure,
• maintaining the correct geometry of the rear bodywork,
• easier replacement of a damaged component during post-accident repairs.

The used nature of the product makes it a cost-effective solution while maintaining proper fitment for the specific BMW generation.

Practical application and benefits

Replacing the rear spoiler cover is particularly important after parking damage, collisions, or intensive use, when the lower part of the bumper loses its original shape. Using this component allows you to:

• restore the cohesive look of the rear of the vehicle,
• maintain proper airflow under the car,
• limit the exposure of structural elements and bumper mounts.

For users who pay attention to technical aesthetics and functionality, this is a practical way to organize the rear body zone without the need to replace the entire bumper.

Expanding body configuration

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other components from the same group, such as additional spoilers, reinforcements, or lower bumper inserts, check out the available parts in the Bumpers and reinforcements Unbranded category.