Side Skirt BMW X3 E83 M Sport Door Sill Cover Left N/S Black Sapphire - 475

Visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

Side Skirt BMW X3 E83 M Sport Door Sill Cover Left N/S Black Sapphire in Black Sapphire Metallic is an original door sill cover designed for the factory sports package. This component provides an aesthetic and functional finish to the lower body, ensuring a cohesive look with the vehicle's side profile and proper protection of the sill.

Specifications and technical data

• SKU: 0403480-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0403480
• Substitutable numbers: 51110403480, 0403480
• Weight: 150
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Running Boards & Side Bars

Purpose and fitment for BMW X3 E83 M Sport

The described door sill cover is designed as a body component for the left side of the vehicle, dedicated to the BMW X3 E83 version with the M Sport package. Thanks to its design, which complies with factory BMW standards, it ensures proper fitment with the doors, wheel arches, and other components of the aerodynamic package.

The original mounting points and geometry of the component facilitate installation in the factory location without the need for bodywork modifications. This solution is particularly beneficial for post-accident repairs, replacing a damaged cover, or restoring the completeness of the M Sport package.

Black Sapphire Metallic finish

The door sill cover is finished in Black Sapphire Metallic, a characteristic BMW paint with the code 475. The metallic black blends well with both dark and lighter body colors, allowing for a consistent stylistic line of the car.

The factory surface finish ensures the correct structure and shade, which facilitates integration with other elements painted in the same color. This is particularly important for precise body and paint repairs, where visual consistency of the entire sill area is essential.

Technical and functional characteristics

The door sill cover belongs to the Door Sill Covers category, responsible for protecting the lower part of the body and providing an aesthetic finish to the sill. The placement on the left side of the vehicle allows for precise alignment with the factory mounting points in the BMW X3 E83.

The component has a specific weight, which is important both from the transport and installation perspective. The design of the cover is adapted to operational loads typical for the sill area – contact with road dirt, water, and minor stone chips.

Condition and benefits of choosing a used OEM part

The product comes from the used parts segment, which allows for economical repair while maintaining the original BMW specification. Choosing such a component is especially beneficial when you want to maintain the factory body line and compatibility with other M Sport package components.

The original BMW door sill cover ensures proper fitment to the body, which reduces the risk of leaks, stress, or improper alignment of the element relative to the doors and wheel arches. This translates into stable mounting and predictable behavior in daily use.

If you are planning a comprehensive repair or upgrade of the sill area in your BMW and need other elements from the same group, such as covers, overlays, or additional moldings, check the available parts in the BMW Door Sill Covers category.

For drivers interested in a broader approach to drivetrain and body repairs, practical tips on selecting original components may also be useful – you can find them in the article Whining differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement.