BMW X5 E53 Rear Left N/S Wheel Arch Trim Cover Black Sapphire 475 8402337

BMW X5 E53 Rear Left N/S Wheel Arch Trim Cover Black Sapphire 475 is an original body component designed for installation on the rear left side of the vehicle. It provides an aesthetic finish to the wheel arch edge and ensures stable body line alignment, contributing to a cohesive look for the entire side of the car. Thanks to its factory Black Sapphire Metallic - 475 color, the trim integrates harmoniously with the vehicle's paintwork, reducing the need for additional painting work.

Specifications and technical data

• SKU: 8402337-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8402337
• Substitutable numbers: 51718402337, 8402337, EM
• Location on the vehicle: Rear, Left
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The rear left wheel arch trim cover is responsible for covering the wheel arch edge and leveling the surface between the fender and adjacent body panels. In practice, it:

• stabilizes the side body line in the rear fender area,
• limits the accumulation of dirt in critical gaps,
• improves visual paint continuity and component fitment.

For BMW E53 owners, replacing a damaged or missing trim is important both for appearance and for protecting the sheet metal edges from premature wear.

Color and body fitment

The component is finished in the Black Sapphire Metallic - 475 shade, which allows for consistency with the vehicle's factory paint in this color. As a result:

• it is easier to achieve an even transition between the trim and adjacent panels,
• the need for full repainting of the component is reduced,
• the depth and metallic gloss characteristic of BMW surfaces are preserved.

Its placement on the rear left side of the body means that correct shape and color matching has a direct impact on the overall perception of the car's side profile.

Characteristics of the original BMW part

The wheel arch trim cover comes from the BMW line, which means it maintains factory geometry, mounting points, and compatibility with the E53 body structure. Original manufacturing translates into:

• secure fitment with the fender and adjacent components,
• predictable behavior during installation and removal,
• preservation of the stiffness in the wheel arch zone as designed by the manufacturer.

The product is offered as a used OEM component, which is a cost-effective solution for post-accident repairs, restorations, and returning the car to a factory-like condition without having to resort to aftermarket parts with uncertain fitment.

Selection support and additional technical information

When selecting body components for the BMW E53, it is crucial to pay attention to the mounting side, body type, and paint color. In case of doubt, it is worth using the OEM number and interchangeable numbers to ensure that the wheel arch trim cover will be compatible with the specific vehicle configuration.

For users who want to streamline the component selection process using factory numbers, a practical guide will be helpful: how to choose the right car part by VIN and OEM number. The article guides you step-by-step through the compatibility verification process, which facilitates an informed choice of used body components.

Related components and wheel arch area expansion

If you are planning a comprehensive repair or upgrade of the wheel arch and rear fender area in your BMW and need other components from the same group, such as covers, trim strips, or additional overlays, check out the available parts in the Other BMW category.

For those interested in comparing technical solutions used in different makes and models, including sports versions, an interesting addition to your knowledge might be the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate construction and equipment depending on the vehicle's purpose.