BMW X3 SERIES E83 UNDERBODY COVERING TANK SHIELDING COVER RIGHT O/S 3400040

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW X3 SERIES E83 UNDERBODY COVERING TANK SHIELDING COVER RIGHT O/S is an original body component designed to protect the side of the fuel tank on the right side of the BMW X3 E83 model. This used, fully functional cover ensures stable mounting and effective protection of the tank against mechanical damage and road debris. Thanks to its factory-fit design, installation is precise, with no structural modifications required.

Specifications and technical data

• SKU: 3400040
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51713400040
• Substitutable numbers: 51713400040, 3400040
• Location on the vehicle: Right
• Category: Other Exterior Parts & Accessories

Purpose and technical function

The right-side fuel tank shielding cover is a component mounted in the underbody area, in the immediate vicinity of the fuel tank. Its purpose is to:

• protect the tank against impacts from stones, ice chunks, and other road debris,
• limit the contact of fuel system components with water, mud, and road salt,
• stabilize the area around the tank, which helps maintain the proper positioning of lines and mounts.

Thanks to a design compliant with BMW factory standards, the geometry of the cover is matched to the X3 E83 underbody, which facilitates correct alignment with the tank and mounting points.

Construction and fitment for BMW X3 E83

The component was designed specifically for the BMW X3 E83 platform, taking into account the characteristic shape of the underbody and the layout of the fuel tank. Its placement on the right side of the vehicle allows for:

• precise adherence to factory mounting points,
• maintaining appropriate clearances relative to the tank and suspension components,
• interference-free integration with other underbody covers and panels.

Such fitment translates into mounting stability and predictable behavior of the component during operation, even in more demanding road conditions.

Benefits of using an original tank cover

Using a factory fuel tank shielding cover in a BMW X3 E83 brings a number of practical operational benefits:

• maintaining the proper level of fuel tank protection in accordance with the vehicle manufacturer's specifications,
• reducing the risk of corrosion and mechanical damage in the tank area,
• preserving the structural integrity of the underbody and the aesthetics of the lower body section.

For users who operate their vehicle in diverse conditions – from city driving to roads with poorer surfaces – a functional tank cover is an important element of fuel system protection and can translate into a lower risk of costly repairs in the future.

Condition, verification, and practical application

The offered cover is a used part, which in practice means it comes from vehicle dismantling and has been verified for its suitability for further use. Such body components, when installed correctly, retain their protective properties for a long time, which is why they can be a cost-effective solution for underbody repairs or replacing damaged panels in the fuel tank area.

If you are planning a comprehensive repair or upgrade of the underbody area in your BMW and need other components from the same group, such as covers, protective plates, or additional security panels, check the available parts in the Other BMW category.

Technical support and knowledge about the fuel system

When working in the fuel tank area, it is worth paying attention not only to the covers themselves but also to the condition of the lines, mounts, and other fuel system components. For users who want to better understand the construction and service principles of this area, a guide on fuel system diagnostics and operation may be helpful – more information can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are also interested in a comparison of technical solutions used in sports models of other brands, such as Audi RS, in the context of the engine, brakes, and underbody, check out the material on our blog: Audi RS vs other models – what is hidden under the hood and underbody?.