BMW 3 Series E90 E91 LCI Sill Strip Side Skirt Left N/S Black Sapphire - 475

BMW 3 Series E90 E91 LCI Sill Strip Side Skirt Left N/S Black Sapphire is an original body component designed for installation on the left side of post-facelift 3 Series models. Finished in Black Sapphire Metallic, this sill strip ensures a consistent look with the factory paintwork and provides an aesthetic finish to the rocker panel area. It is a practical solution for BMW owners looking to restore the proper appearance and protective function of the sill following damage or wear of the previous component.

Specifications and technical data

• SKU: 0037059-BS3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0037059
• Substitutable numbers: 51770037059, 0037059
• Weight: 150
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Purpose and function of the sill strip

The left-side sill strip for the BMW E90 LCI is responsible for protecting the lower edge of the bodywork against mechanical damage and external factors. This component visually stabilizes the vehicle's side profile, masks any paint imperfections in the sill area, and helps reduce the risk of corrosion in this section. Thanks to its specific profile tailored to the post-facelift version, installation is straightforward and does not require any modifications to the body structure.

Black Sapphire Metallic color – visual matching

The Black Sapphire Metallic finish is characteristic of many BMW 3 Series E90 LCI units, which is why using this specific sill strip allows for seamless integration with the factory paint palette. The metallic black effectively masks minor dirt while highlighting the vehicle's side line, which is particularly important when replacing a single body panel. For owners of vehicles in this color, it is a practical way to perform an aesthetic repair without the need for costly repainting from scratch.

Vehicle placement and installation aspects

The sill strip is designed for installation on the left side of the vehicle in the rocker panel area, facilitating the selection of the correct part for post-accident or restoration repairs. The properly shaped profile allows for precise alignment with the door line and the lower part of the body, minimizing the risk of leaks or unwanted stress. The product has a specific weight, which is important when planning transport and handling the part during installation on a lift or service pit.

Product characteristics and practical application

The offered sill strip is a genuine BMW part, which ensures the maintenance of factory fitment parameters and body geometry. As a used component, it represents a reasonable compromise between repair costs and maintaining the vehicle's original specifications. It is suitable for both local repairs following parking damage and more extensive bodywork and paint jobs covering the entire left side of the vehicle.

Integration with other BMW sill area components

Replacing a sill strip often involves inspecting other components in this part of the body, such as covers, moldings, or additional protective strips. If you are planning a comprehensive repair or upgrade of the sill area in your BMW and need other parts from the same group, such as covers, overlays, or additional moldings, check out the available parts in the Other BMW category.

Technical knowledge and part selection

When selecting body components for premium cars such as the BMW 3 Series, it is worth paying attention to the differences between body versions and model generations. Proper matching of the sill strip to the post-facelift version allows you to avoid installation issues and unnatural gaps between elements. For users interested in a broader technical context and a comparison of solutions used in high-performance cars, an article discussing the construction of powertrains, brakes, and chassis may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.