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 is an original door sill trim designed for the factory M package, ensuring a cohesive body appearance and proper alignment of the sill line. This component in the elegant Black Sapphire Metallic shade allows for an aesthetic replacement of a damaged driver-side trim while maintaining the characteristic style of the BMW X3 E83. Thanks to its precise fit for the M Sport body, the door sill trim restores the correct geometry of the sill area and protects the lower part of the bodywork from operational damage.

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 presented door sill trim has been designed specifically for the M Sport version of the BMW X3 E83 and is mounted on the left side of the vehicle. The component's construction is consistent with the factory sill geometry, which allows for installation at original mounting points without the need for bodywork modifications. This solution ensures proper fitment with the doors, wheel arches, and other M package components.

Visual characteristics – Black Sapphire Metallic color

The door sill trim is finished in Black Sapphire Metallic, making it perfectly match the styling line of BMW bodies in this paint color. The metallic black emphasizes the sporty character of the M Sport version while effectively masking typical operational dirt in the lower body area. Using the original paint shade reduces the need for additional painting after installation, provided the vehicle has the same color code.

Protective function and component construction

The left side skirt plays an important role in protecting the lower part of the bodywork from stone chips, mud, and minor mechanical damage. The properly profiled surface of the trim directs airflow and debris away from critical sill areas, reducing the risk of corrosion and paint damage. The component also serves as a visual finish for the sill area, masking sheet metal edges and mounting points.

Condition, origin, and service application

The offered BMW door sill trim comes from dismantling and is a used part, making it a cost-effective solution for post-accident repairs and restoring the factory look of the car on a reasonable budget. Its original origin ensures dimensional compatibility with the X3 E83 M Sport body, which facilitates workshop work and shortens installation time. The component is suitable for both local sill repair and comprehensive restoration of the side body section.

Installation recommendations and application area

Before installation, it is recommended to thoroughly prepare the sill surface – cleaning, degreasing, and verifying the mounting points. A properly installed door sill trim visually stabilizes the vehicle's side line and restores the consistency of the M Sport package. Thanks to its precise fit to the left side of the body, the component integrates with factory covers and bumpers, maintaining the original character of the BMW X3 E83.

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

For drivers interested in the broader context of using original components and the impact of used parts on maintaining the brand's character, we recommend the article Audi and emotions in their purest form – how used parts help maintain the brand's DNA, which shows the importance of properly selected OEM elements in daily vehicle operation.