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

Visual condition of the part

The product shows signs of use visible in the photos.

The BMW E83 Left Rear Wheel Arch Liner M-Sport Package Black is a body part designed for the rear left wheel arch area in M-Sport package versions. It effectively protects the inner part of the wheel arch from water, mud, and debris, while also helping to maintain stable operating conditions for suspension components. Thanks to its precise fit for the specific body version and the Black Sapphire Metallic color, it ensures a cohesive appearance and proper alignment with other panels.

Specifications and technical data

• SKU: 0403486-BS
• 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 Fitment for BMW E83

This liner is specifically designed for BMW X3 E83 models with the M-Sport package, intended for the rear left wheel arch. Its shape, mounting points, and edge profile are adapted to the vehicle's original body geometry, facilitating installation and minimizing the risk of improper fit. The part belongs to the Rear Wheel Arches and Fenders group, making it the correct choice for repairs after collisions, corrosion, or mechanical damage in this area of the vehicle.

Protective Function and Role in the Bodywork

The wheel arch liner performs several key operational functions:

• limits direct contact of water, salt, and stones with suspension components and the wheel arch cavity,
• helps maintain cleanliness in the area of the shock absorber, spring, and mountings,
• assists in reducing noise generated by the wheel and debris thrown from under the tire,
• stabilizes airflow within the wheel arch, promoting even drying of this zone.

Thanks to its precise fit for the specific BMW model, the liner requires no modifications. Once correctly installed, it preserves the original body line and enhances the overall aesthetics of the rear of the vehicle.

Black Sapphire Metallic Color and Visual Aspect

The finish in Black Sapphire Metallic - 475 allows for a seamless integration with bodywork painted in the same shade. This is particularly important in areas visible when the rear doors are open or during inspection of the vehicle from the wheel arch side. Using the original color tone also simplifies service and painting work when matching the existing paint.

Characteristics of a Used Part

As a part from the aftermarket, this wheel arch liner offers a favorable combination of price and functionality, while maintaining geometry consistent with the original BMW design. A used part of this type is particularly useful for post-accident repairs, where the priority is to restore proper wheel arch protection and ensure correct alignment with the fender and bumper, without the need to invest in a new component.

Technical Support and Additional Information

If you are planning more extensive bodywork and painting in the rear of the vehicle, it is advisable to simultaneously inspect other wheel arch components, mountings, and inner liners. For users interested in other body parts for this brand, including items from the rear wheel arches and fenders group, check the available parts in the BMW Rear Wheel Arches and Fenders category.

If you also own other models of this brand and want to better understand their specific service requirements, a practical guide to engine units might be useful – you can find it in the article Common BMW E90 Engine Failures: Find Out What Can Ruin Your Budget, which helps in consciously planning the maintenance and repair of BMW cars.