BMW E90 LCI M Sport Sill Strip Side 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 LCI M Sport Sill Strip Side Skirt Left N/S Black Sapphire Metallic is an original body component designed for installation on the left side of facelifted BMW 3 Series models. The trim in Black Sapphire Metallic - 475 ensures paint consistency with the factory palette and emphasizes the sporty character of the M Sport version. This used OEM part is a sensible choice for accident repairs, visual corrections, and restoring the factory look of the side skirts.

Specifications and technical data

• SKU: 0037229-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0037229
• Substitutable numbers: 51770037229, 0037229
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Running Boards & Side Bars

Purpose and fitment

The side skirt trim has been designed specifically for the facelifted (LCI) BMW 3 Series E90/E91 body, taking into account the characteristic geometry of the sills and the side body line of the M Sport version. The placement on the left side of the vehicle ensures precise fitment to factory mounting points and proper adhesion to the bodywork.

The original OEM construction guarantees dimensional compatibility with the factory sill, which facilitates installation and minimizes the risk of stress within the side paneling. As a result, the trim works well with factory covers, wheel arches, and other aerodynamic elements of the M package.

Color and finish Black Sapphire Metallic - 475

The Black Sapphire Metallic - 475 color is a popular metallic shade used by BMW, which effectively masks minor dirt and highlights the body line. Using the original color eliminates the need for additional painting when matching a vehicle in the same shade, which reduces repair time and costs.

The metallic finish harmonizes with the dynamic styling of the M Sport package, creating a visually cohesive set with bumpers, sills, and other package elements. This solution is particularly beneficial when restoring the factory appearance after mechanical damage or corrosion in the sill area.

Characteristics of the used component

The trim comes from a used vehicle, which allows for a favorable price-to-quality ratio while maintaining the original BMW specification. A used OEM part usually fits better into the overall visual condition of the car than a new part, especially in older vehicles where natural signs of wear are already present.

Choosing an original, used side skirt trim is particularly recommended for local repairs when maintaining factory geometry and compatibility with existing mounts is a priority, without the need for modifications or fitting aftermarket replacements.

Protective and aesthetic function in the sill area

The side skirt trim plays an important role in protecting the lower part of the body against mechanical damage resulting from entering and exiting the vehicle, as well as exposure to road debris. Additionally, it influences the airflow along the side of the vehicle, which is significant for aerodynamic stability at higher speeds.

In the M Sport version, the side skirt trim reinforces the sporty character of the car, visually lowering the silhouette and giving it a more dynamic profile. It is an element that combines a protective function with a distinct visual effect, especially visible in dark metallic paint.

Expansion and modernization of the BMW sill area

If you are planning a comprehensive repair or modernization of the sill area in your BMW and need other components from the same group, such as covers, overlays, or additional trims, check out the available parts in the BMW side skirt trims category.

Technical support and knowledge about vehicle systems

When working on the body and sill area, it is worth simultaneously checking the condition of the suspension, as the loads transferred through the sills and support points have a direct impact on driving comfort and safety. Additional information on diagnostics and maintenance of suspension components can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which helps to better plan service work within the entire chassis.