BMW X3 E83 Wheel Arch Rear Left N/S Covering M Sport Black Sapphire - 475

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 E83 Wheel Arch Rear Left N/S Covering M Sport Black Sapphire is an original body component designed for the rear wheel arch area. It ensures a precise fit to the body lines, stable mounting, and a consistent look with the factory M Sport package, while protecting the inner part of the wheel arch from dirt and mechanical damage. Thanks to the factory Black Sapphire Metallic paint, the component integrates harmoniously with the bodywork, reducing the need for additional paintwork.

Specifications and technical data

• SKU: 0403486-BS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0403486
• Substitutable numbers: 51110403486, 0403486
• Location on the vehicle: Rear, Left
• Color: Black Sapphire Metallic - 475
• Category: Body Side & Quarter Panels

Purpose and function of the component

The wheel arch cover is designed for installation in the rear left part of the BMW X3 E83 body with the M Sport package. Its task is to cover the edge of the wheel arch and the area near the wheel from water, mud, road salt, and minor stone impacts, which helps reduce the risk of corrosion and paint damage in this area.

The component belongs to the Rear wheel arches and fenders group, allowing it to work with factory mounts, trims, and other rear fender cladding components. The design, tailored to the M Sport version, allows for maintaining the correct body geometry and a consistent look with the bumper, side skirts, and flares.

Compatibility with BMW X3 E83 M Sport

The cover has been designed specifically for the BMW X3 E83 M Sport body, taking into account the characteristic creases and lines of the styling package. Proper edge profiling enables correct fitting with the rear bumper, fender, and factory wheel arches, which facilitates installation and reduces the need for additional modifications.

The placement in the rear left area of the vehicle allows for precise identification of the component when planning body and paint repairs or replacing a damaged cover after a collision or due to corrosion of the mounts.

Black Sapphire Metallic color – installation benefits

The factory Black Sapphire Metallic color (metallic paint) ensures visual consistency with the bodywork in the same shade, which is particularly important for post-accident repairs and when replacing individual cladding elements. In many cases, this allows the scope of painting to be limited to a minimum or skipped entirely if the condition of the coating is acceptable relative to the rest of the body.

The metallic paint coating works well with the M Sport line, highlighting the characteristic creases and the shape of the wheel arch, while also making it easier to maintain the aesthetic appearance of the vehicle after repair.

Characteristics of the used component

The offered wheel arch cover is a used part, sourced from dismantling. Such OEM components are frequently chosen for repairs because they retain their original geometry, factory mounting points, and material compatibility with other body elements. In practice, this translates into easier installation and better fitment than in the case of many aftermarket replacements.

For body and paint workshops as well as individual users, this means the possibility of carrying out repairs in a technically correct manner, while maintaining the factory design assumptions of BMW.

Expansion of the wheel arch area in BMW

If you are planning a comprehensive repair or upgrade of the rear wheel arch area in your BMW and need other elements from the same group, such as covers, cladding, or additional panels, check the available parts in the BMW Rear wheel arches and fenders category.

Technical support and knowledge about BMW

When planning body or chassis repairs, it is worth knowing the typical structural weak points of individual models. For users interested in a broader context of operating cars of this brand, an article dedicated to the problematic power units of the E90 series may be helpful – you can find it here: Faulty BMW E90 engines – a practical guide to costly failures. Although it concerns a different model, it shows how important a conscious approach to servicing BMW and planning a repair budget is.

Summary

The BMW X3 E83 Wheel Arch Rear Left N/S Covering M Sport Black Sapphire is a functional component from the Rear wheel arches and fenders group, designed to protect the wheel arch area and maintain a consistent body style. The original design, fitment for the M Sport version, and factory paint make it a practical solution for post-accident repairs, body restoration, or replacing worn-out covers.