BMW 3 Series E92 E93 M3 Rear Right O/S Underbody Paneling Trim Cover 8040538

BMW 3 Series E92 E93 M3 Rear Right O/S Underbody Paneling Trim Cover is a genuine BMW body component designed for installation in the rear right section of the undercarriage. This factory-fitted cover from the Mudflaps group helps to streamline airflow under the vehicle and reduce the amount of dirt and water directed at the suspension and body components, which promotes stable and predictable handling.

Specifications and technical data

• SKU: 8040538-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8040538
• Substitutable numbers: 51758040538, 8040538, KZ
• Location on the vehicle: Rear, Right
• Offset (ET):
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The described underbody cover is tailored for BMW 3 Series E92 and E93 M3 models and is mounted in the rear area on the right side of the vehicle. Its task is to shield a section of the undercarriage from water, mud, small stones, and other debris that can accelerate corrosion and wear of adjacent components.

Additionally, the properly shaped surface of the cover helps maintain orderly airflow under the car, which supports stability at higher speeds and reduces unwanted turbulence in the rear axle area.

Benefits of using a genuine BMW cover

Using a genuine M3 series underbody cover ensures:

• Precise fitment to the factory mounting points on the BMW 3 Series E92/E93 M3 body.
• Consistency with other underbody components, which facilitates installation and maintenance.
• Protection of critical areas of the rear of the vehicle against dirt and moisture.
• Maintenance of the factory geometry of aerodynamic covers in the rear axle area.

For users who care about the technical and visual condition of the undercarriage, replacing a damaged or missing cover with a genuine part is a simple way to restore the completeness of the shielding and reduce the risk of accelerated corrosion.

Installation characteristics

The cover is designed for installation in a specific location on the body – the rear right section of the undercarriage. Thanks to its factory geometry and correct profile, it fits the original mounting points, allowing for efficient replacement of a damaged part without the need for modifications. The product comes from the Mudflaps group, so its design is focused on effectively diverting water and debris from under the wheel and the surrounding rear body area.

The used condition means that the item may show signs of wear typical of dismantled parts, but it retains the functionality and shape necessary for proper installation and operation in the vehicle.

Application in BMW M3 service and restoration

The rear right underbody cover is particularly useful for:

• post-accident repairs in the rear body area,
• underbody restoration in BMW M3 E92/E93 units,
• replacing missing shielding components after previous repairs,
• preparing the car for a technical inspection or sale.

Choosing a genuine component allows you to maintain the structural and visual integrity of the undercarriage, which is important both from the point of view of durability and the vehicle's resale value.

Supplementing the BMW underbody protection zone

If you are planning a comprehensive repair or upgrade of the underbody protection zone in your BMW and need other components from the same group, such as additional covers, mudflaps, or underbody panels, check out the available parts in the BMW Mudflaps category.

For drivers who are simultaneously servicing the drivetrain or considering the purchase of used components, a practical guide on choosing and operating gearboxes may be helpful – you can find it in the article Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used gearbox, where structural differences, typical signs of wear, and tips for purchasing parts from the secondary market are discussed.