BMW E90 E91 M Sport Sill Strip Side Skirt Right O/S Black Sapphire - 475

Visual condition of the part

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

BMW E90 E91 M Sport Sill Strip Side Skirt Right O/S Black Sapphire is an original body component from the Sill strips category, designed for the right side of BMW 3 Series E90/E91 vehicles with the M Sport package. The Black Sapphire Metallic paint finish ensures visual consistency with the factory bodywork and facilitates seamless integration with the existing paint coating.

Specifications and technical data

• SKU: 0033440-BS3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0033440
• Substitutable numbers: 51770033440, 0033440
• Location on the vehicle: Right
• Color: Black Sapphire Metallic - 475
• Category: Running Boards & Side Bars

Technical characteristics and intended use

The presented right side skirt is designed as an exterior body component dedicated to BMW E90 and E91 models equipped with the M Sport styling package. The construction is adapted to the factory mounting points in the sill area, which promotes precise fitment with other body panels and reduces the need for additional installation modifications.

Positioning on the right side of the vehicle ensures proper reproduction of the side body line, while the profile characteristic of the M Sport package emphasizes the car's sporty character. The Black Sapphire Metallic paint used corresponds to the popular factory BMW color, which facilitates integration with the existing coating without visible shade differences after proper preparation and installation.

Benefits of using an original sill strip

Using an original M Sport sill for the BMW E90/E91 allows you to maintain compliance with the factory body geometry and aerodynamic parameters specified by the manufacturer. As a result:

• you maintain a consistent appearance of the side body section in the M Sport style,
• you minimize the risk of fitment issues with doors, wheel arches, and underbody covers,
• you preserve the correct sill line, which is important for subsequent bodywork and painting tasks.

The component from the Sill strips category also serves a protective function for the lower part of the body, limiting the impact of dirt, minor stone chips, and atmospheric factors on the structure of the sills themselves.

Condition, fitment, and installation

The product is offered as a used original part, which in practice means maintaining factory geometry and compatibility with the BMW 3 Series E90/E91 construction. Compared to non-factory replacements, this facilitates installation, reduces the need for adjustments, and promotes stable mounting at the points provided by the manufacturer.

Before installation, standard verification of the surface condition, preparation for any potential paint work, and inspection of the mounting points on the vehicle are recommended. A properly installed right M Sport side skirt in Black Sapphire Metallic allows for restoring the aesthetics of the side body section after a collision, corrosion, or previous body repairs.

Use in repairs and upgrades of BMW E90/E91

This sill model is suitable for both post-accident repairs and upgrading a standard body version to the M Sport specification. In both cases, it is crucial to maintain compliance with the factory body line and properly prepare the paint surface to achieve a uniform transition between the new component and the remaining body panels.

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.

Technical support and part selection

When selecting body components for the BMW E90/E91, it is worth paying attention to the compatibility of the body version (sedan/touring), styling package, and paint color. In case of doubts regarding vehicle configuration, it is helpful to use manufacturer markings and service documentation, which helps avoid ordering errors and speeds up the installation process.

For users interested in a broader context of using used components in the automotive industry, including the principles of selection by manufacturer markings and cost-effectiveness analysis of repairs, the following expert guide may be useful: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns mechanical components, the procedures and approach to verifying parts presented there can be analogously used when planning bodywork repairs.