BMW Z4 E85 Side Skirt Right O/S Sill Strip Kick Panel Black Sapphire - 475

Visual condition of the part

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

BMW Z4 E85 Side Skirt Right O/S Sill Strip Kick Panel Black Sapphire - 475 is an original body component designed for installation on the right side of the vehicle. Thanks to its factory paint finish in Black Sapphire Metallic, it ensures a seamless look with the rest of the body panels and allows for an aesthetic, technically correct repair of the sill area. It is a practical solution for users who want to maintain the original side profile and solid sill protection in their roadster.

Specifications and technical data

• SKU: 0031108-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0031108
• Substitutable numbers: 51710031108, 0031108
• Location on the vehicle: Right
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The right side skirt for the BMW Z4 E85 is responsible for covering and finishing the lower edge of the body on the passenger side. This component:

• masks the sill structure and the lower part of the bodywork,
• creates the continuous side line characteristic of the Z4 model,
• provides an additional barrier against dirt and minor mechanical damage in the sill area,
• contributes to the visual consistency of the bodywork following body and paint repairs.

By maintaining the factory geometry, the side skirt works in harmony with the other side panels, which facilitates proper fitment and reduces the need for additional adjustments during installation.

Color and visual fit

The component is finished in Black Sapphire Metallic, the characteristic metallic black used by BMW. This paint finish:

• facilitates integration with bodywork in the same shade,
• allows for a reduction in the scope of potential paintwork,
• ensures a consistent visual appearance in the sill area and the lower part of the doors.

The placement on the right side of the vehicle is important when planning a repair – the skirt has been designed for a specific side of the body, which translates into correct contours and mounting points.

Installation characteristics

The original side skirt for the BMW Z4 E85 is structurally prepared for installation at factory mounting points. In practice, this means that:

• compatibility with the standard sill structure is maintained,
• it is possible to use the mounting locations provided by the manufacturer,
• it is easier to achieve an even transition line between the sill and the door.

Such a solution promotes precise fitment and allows for the restoration of the original appearance of the side of the body after a collision or corrosion.

Condition and use in repairs

The item is used, which makes it an attractive cost-effective alternative to new body panels while maintaining the manufacturer's original specifications. This type of part is particularly suitable for:

• post-accident repairs in the sill area,
• vehicle restorations where maintaining original components is important,
• cases where visual and structural compliance with the factory bodywork is a priority.

By using an original component, you can reduce the risk of fitment issues typical of aftermarket parts with different geometry.

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 strips, check out the available parts in the Other BMW category.

Technical support and knowledge of sports constructions

When working on the bodywork of cars with a more dynamic character, such as the BMW Z4, it is useful to understand the structural differences between standard and sports versions. In the context of selecting components and analyzing technical solutions in high-performance cars, it is worth reading material describing the construction of powertrains, brakes, and chassis in models with a sports pedigree – the article Audi RS vs other models – what is hidden under the hood and chassis? may be helpful, as it shows how manufacturers differentiate construction depending on the vehicle's purpose.