Mini Cooper R50 JCW Left Door N/S Sill Skirt Side Trim Cosmosschwarz Black 303

Visual condition of the part

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

Mini Cooper R50 JCW Left Door N/S Sill Skirt Side Trim Cosmosschwarz Black in Cosmosschwarz Metallic 303 is an original body component designed for installation on the left side of the vehicle. It provides an aesthetic finish to the lower edge of the door and sills, while also serving as a practical shield for this area of the bodywork. This is an ideal solution for users who want to maintain the consistent look of the JCW version and preserve the factory side profile of the car.

Specifications and technical data

• SKU: 0392891-COS
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 0392891
• Substitutable numbers: 51710392891, 51710140630, 0392891, 0140630, 51710392893, 51710021932, 0392893, 0021932, BG
• Weight: 150
• Location on the vehicle: Left
• Color: Cosmosschwarz Metallic - 303
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The presented sill skirt is dedicated to Mini Cooper R50 models in the JCW trim and is mounted on the left side of the vehicle. Its purpose is to protect the lower part of the door and the sill from typical operational damage, such as minor stone chips or road debris. Thanks to its precise fit to the Mini's body lines, the component helps maintain the correct visual geometry of the side bodywork.

Color and visual fit

The trim is finished in the Cosmosschwarz Metallic – 303 shade, characteristic of the Mini paint palette. The metallic black blends well with both dark and contrasting body colors, making it easy to maintain a consistent vehicle appearance after replacing the part. For detail-oriented users, it is important that the applied color allows for an aesthetic integration of the trim into the side profile without the need for additional visual modifications.

Technical characteristics and installation

The component was designed as a factory-fitted body part for the left side, which ensures proper alignment with the door and sill. The design of the trim allows for installation in place of the original component, while maintaining the mounting points provided by the manufacturer. The product has an assigned OEM part number and associated interchangeable numbers, which facilitates compatibility verification with a specific Mini Cooper R50 JCW version. The specified weight of the element allows for hassle-free handling during installation and removal.

Product condition and practical application

The offered sill skirt is in used condition, making it a solution for users looking for original body components on a reasonable budget. This type of part is suitable for both post-accident repairs and for replacing worn or damaged trims resulting from daily use. Maintaining the factory shape and purpose allows for restoring the correct appearance of the side bodywork without interfering with the vehicle's structure.

Configuration expansion and selection of other elements

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

To compare the character of sports versions of cars with other variants, it is worth reading the analysis of differences in engine, braking system, and chassis construction – this is discussed in detail in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design components for more dynamic versions of their cars.