BMW 3 E90 E91 9 M Sport Sill Strip Side Skirt Left N/S Le Mans Blue - 381

Visual condition of the part

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

BMW 3 E90 E91 9 M Sport Sill Strip Side Skirt Left N/S Le Mans Blue in Le Mans Blau Metallic is an original body component designed for versions equipped with the M package. It serves as a functional addition to the factory aerodynamic kit, improving visual consistency and maintaining the correct geometry of the side bodywork. Thanks to its precise fit to the body lines, it is suitable both for replacing a damaged trim and for converting a vehicle to the M Sport style.

Specifications and technical data

• SKU: 0033441-LMB9
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0033441
• Substitutable numbers: 51770033441, 0033441, BG
• Weight: 150
• Location on the vehicle: Left
• Color: Le Mans Blau Metallic - 381
• Category: Other Exterior Parts & Accessories

Purpose and fitment for BMW 3 E90/E91 M Sport

The presented M Sport left side skirt has been designed specifically for the BMW 3 Series E90/E91 generation with the factory M aerodynamic package. The component's design accounts for the characteristic contours and side body lines, which allows for maintaining the vehicle's original appearance after repair or upgrade. Its placement on the left side ensures compatibility with factory mounting points and sill covers in both sedan and touring (wagon) models.

Technical characteristics and color

The side skirt is prepared for installation in factory mounting locations, which facilitates bodywork and paint processes and limits the need for additional modifications. The applied Le Mans Blau Metallic paint matches the sporty styling of the M package and allows for maintaining color consistency with other body elements in this shade. The item has a specific weight, which is important when planning transport and selecting the method of installation and securing the sills.

Function in the bodywork and benefits of installation

The M Sport left side skirt performs several key functions in the side area of the bodywork:

• protects the lower part of the sill against dirt and minor mechanical damage,
• visually stabilizes the vehicle's side line, emphasizing the sporty character of the M version,
• enables the maintenance of the original aerodynamics intended for the M Sport package,
• facilitates the restoration of the factory look after a collision or corrosion of sill elements.

Thanks to the use of original geometry, the installation proceeds in a predictable manner, and the fitment with doors and wheel arches remains consistent with factory specifications. This solution is particularly beneficial for repairs where maintaining proper gaps and body lines is essential.

Condition, origin, and service application

The component comes from the BMW range and is intended for re-installation in BMW 3 Series E90/E91 vehicles with the M Sport package. As a used part, it allows for an economical repair of the sill area while maintaining the manufacturer's original specifications. It is suitable for both professional body and paint shops and workshops specializing in M package conversions.

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

Technical support and part selection

When selecting body components for sports and performance-oriented cars, it is worth paying attention to the differences between standard versions and high-performance variants. In the context of comparing design solutions and equipment in higher-power models, an article describing the differences in drivetrains and chassis may be helpful – more information can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the manufacturers' approach to designing components in sports versions.