BMW F30 F31 Side Skirt M Sport Sill Strip Left N/S Mineral Grey Metallic - B39

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 F31 Side Skirt M Sport Sill Strip Left N/S Mineral Grey Metallic - B39 is an original body component designed for installation on the left side of 3 Series F30 models with the M Sport package. Finished in the factory Mineral Grey Metallic - B39 color, it allows for a visually consistent addition or replacement of a damaged side skirt without the need to change the car's styling concept. This is a practical solution for users who expect precise fitment and the preservation of the M Sport character.

Specifications and technical data

• SKU: 8056579-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8056579
• Substitutable numbers: 51778056579, 8056579
• Location on the vehicle: Left
• Color: Mineral Grau Metallic - B39
• Category: Running Boards & Side Bars

Purpose and fitment for BMW F30 M Sport

The presented side skirt has been designed specifically for the M Sport version of the BMW 3 Series F30, taking into account the characteristic geometry of the sills and the sporty body line. The component is mounted on the left side of the vehicle, ensuring proper alignment with the doors, wheel arches, and other components of the aerodynamic package.

Thanks to the factory finish in Mineral Grey Metallic - B39, the trim blends harmoniously with the body paint, reducing the need for additional painting work by the user or the workshop. This is particularly important for accident repairs and restoring the vehicle to its original manufacturer specification.

Technical and functional characteristics

The side skirt serves both an aesthetic and protective function. Its shape is matched to the line of the BMW F30 M Sport sills, which allows for:

• maintaining a consistent, dynamic side silhouette of the vehicle,
• protecting the lower part of the body from minor mechanical damage,
• proper alignment of the sill line relative to the bumpers and wheel arches.

The original origin of the component translates into correct mounting points and compatibility with factory brackets and clips, which facilitates installation in service conditions. Side skirts of this type are designed to work with the factory sill structure, without the need to interfere with the load-bearing structure of the body.

Mineral Grey Metallic - B39 color and visual aspect

The Mineral Grey Metallic - B39 color is a popular, elegant shade of metallic grey used in the BMW range, which particularly complements the M Sport line. Using a trim in this color allows for:

• maintaining a uniform paint tone along the entire length of the vehicle's side,
• preserving the original look of the car after repair,
• reducing the risk of shade differences between body components.

For users who care about visual consistency and the residual value of the vehicle, using an original trim in the correct color is a more predictable solution than replacement parts that require full painting.

Component condition and service application

The offered side skirt is in used condition, which makes it an attractive cost-effective alternative to new components while maintaining the original BMW specification. Such elements are frequently used in:

• accident repairs,
• fleet vehicle renovations,
• projects restoring the car to its factory look after modifications.

For body shops and service centers specializing in the BMW brand, using an original, used side skirt allows for shortening repair time and limiting the scope of preparatory work.

Support with selection and additional information

Before purchasing, it is worth verifying the compatibility of the component with the specific equipment version and model year of the BMW F30, especially in the case of cars after styling modifications. In case of doubt, comparing the shape and mounting points with the currently installed trim on the left side of the vehicle may be helpful.

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 trims, check the available parts in the BMW Side Skirts category.

For users interested in a wider range of repairs and powertrain upgrades for larger service projects, a guide on verifying mechanical components may be useful – you can find more practical tips in the article Buying a used engine: 5 things you must check before installation.