BMW 3 Series E90 E91 3 M Sport Lower Bottom Left N/S Wheel Arch Housing Cover

BMW 3 Series E90 E91 3 M Sport Lower Bottom Left N/S Wheel Arch Housing Cover is a body component designed specifically for the M Sport version, responsible for protecting the lower part of the wheel arch on the driver's side. Thanks to its precise fit to the BMW body geometry, it ensures stable mounting, improves aerodynamics, and limits the ingress of debris into the wheel arch area. This is a practical solution for users who want to maintain the consistency of the M Sport package and keep the bodywork in good technical condition.

Specifications and technical data

• SKU: 8040101-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8040101
• Substitutable numbers: 8040101, 51718040101, 51714789191, 4789191, BG
• Location on the vehicle: Left
• Category: Splash Guards & Mud Flaps

Purpose and function in the BMW 3 Series body

The presented wheel arch cover is dedicated to BMW 3 Series E90/E91 generation models with the M Sport package and is mounted on the left side of the vehicle. This component forms the lower part of the wheel arch housing, working with other panels and the wheel arch liner to effectively channel water, mud, and small stones away from critical body zones. Its carefully selected shape also supports airflow within the wheel arch, which is important for the stability of the covers and reducing road noise.

Construction and mounting fitment

The cover has been designed as a component structurally compatible with factory BMW mounting points, which facilitates installation in place of a worn or damaged part. The profile of the lower edge is matched to the line of the bumper and side skirt, ensuring that after installation, the consistent body line characteristic of the M Sport version is maintained. The applied mounting geometry allows for secure seating of the cover without the need for modifications, which is essential for post-accident repairs or the replacement of wear-and-tear components within the wheel arch area.

Benefits of using an original wheel arch cover

Using an original wheel arch cover in the BMW 3 Series E90/E91 M Sport brings a number of practical benefits:

• maintaining proper protection of the lower wheel arch area against water, mud, and minor road impacts,
• maintaining factory airflow around the wheel, which reduces turbulence and noise,
• consistent visual fit with other M Sport package components,
• easier inspection of suspension and body components thanks to a correctly installed wheel arch housing.

For users who care about the technical and visual condition of their vehicle, it is particularly important that the wheel arch cover, as an element from the Mudflaps group, effectively contributes to limiting corrosion and mechanical wear in the wheel arch zone.

Product characteristics and practical application

The offered part comes from a BMW vehicle and is a used component, making it an attractive solution for budget or restoration repairs while maintaining the original specification. Its placement on the left side of the vehicle makes it particularly suitable for repairs following curb damage, contact with road obstacles, or natural wear and tear. Proper installation of the cover allows for restoring correct wheel arch protection and organizing the space around the wheel, which is significant for both servicing and daily use.

Comprehensive BMW wheel arch housing – what else to consider

If you are planning a comprehensive repair or upgrade of the wheel arch zone in your BMW and need other elements from the same group, such as additional covers, wheel arch panels, or supplementary protective elements, check the available parts in the BMW Mudflaps category.

If you are also thinking about refreshing your car's cabin and are interested in using proven components from the secondary market, such as seats or steering wheels, check out the tips in the article Car interior tuning with Global Parts, which discusses practical possibilities for improving ergonomics and interior appearance using used components.