BMW E90 E91 LCI Sill Strip Skirt Left N/S Black Sapphire Metallic 475

Visual condition of the part

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

BMW E90 E91 LCI Sill Strip Skirt Left N/S Black Sapphire Metallic is an original body component from the Sill strips category, designed for installation on the left side of post-facelift BMW 3 Series models. Finished in the factory Black Sapphire Metallic color, it allows for maintaining a consistent body appearance and proper protection of the sill area against mechanical damage.

Specifications and technical data

• SKU: 0037059-BS2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0037059
• Substitutable numbers: 51770037059, 0037059, BG
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Running Boards & Side Bars

Purpose and function of the sill strip

The left sill strip is an external body component responsible for shielding the lower part of the chassis in the cabin entry area. In the case of the BMW E90 LCI, it serves both a protective and aesthetic role – it secures the sill against stone chips, dirt, and minor damage, while simultaneously completing the side line of the body in accordance with the original BMW design.

Its placement on the left side of the vehicle ensures a perfect fit to the body geometry, which translates into proper alignment with the doors and other side panels. As a result, the correct sill line is maintained after installation, without any unwanted gaps or material stress.

Color and paint matching

The component is finished in Black Sapphire Metallic, a signature BMW metallic black with a deep, elegant finish. Using the original color significantly facilitates matching the existing vehicle paint, which in many cases allows for reducing or completely omitting additional paint work.

The metallic structure of the paint ensures consistency with the remaining body panels, and proper surface preparation allows for potential polishing or refreshing of the coating in accordance with detailing procedures. This is a practical solution when replacing a damaged sill strip following a collision or localized corrosion.

Technical characteristics and installation

The strip belongs to the Sill strips group, meaning it has been designed for the specific sill profile of the BMW E90 LCI. The design includes factory mounting points, ensuring that the installation process is orderly and follows the manufacturer's original technology.

With the correct selection of the component for the body version, it is possible to:

• restore the factory sill line on the left side,
• maintain the correct geometry of the gaps between the sill and the doors,
• reduce the risk of stress and cracks resulting from improper fitment.

The product comes from dismantling, which in practice means it is a part with parameters consistent with factory standards, prepared for re-installation after a condition check by a specialist.

Practical application and benefits of replacement

Using an original sill strip on the left side of a BMW E90 LCI is particularly beneficial in situations where the existing component has suffered mechanical damage, deformation, or corrosion. Replacement allows you to:

• restore the aesthetics of the side body section,
• protect the sill against further degradation,
• maintain color consistency in the Black Sapphire Metallic shade.

For users who care about the visual condition of the vehicle and its market value, using an original strip from the same model series is a technically safe and predictable solution in terms of the final result.

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 the available parts in the BMW Sill strips category.

Service recommendations and part selection

When selecting a sill strip for the BMW E90 LCI, it is worth paying attention to the compatibility of the body version and the installation side. It is recommended to compare the shape and mounting points with the element removed from the vehicle, which minimizes the risk of errors during installation. In case of doubt, consulting a workshop specializing in the BMW brand is a good solution.

For users interested in a broader approach to maintaining the vehicle in good technical condition and comfort, a guide on selecting and operating components may be helpful, available in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which discusses practical aspects of working with used OEM components.