Side Skirt BMW F30 F31 M Sport Sill Strip Left N/S Estoril Blue Metallic - B45

Visual condition of the part

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

Side Skirt BMW F30 F31 M Sport Sill Strip Left N/S Estoril Blue Metallic - B45 is an original body component designed for installation on the left side of 3 Series F30/F31 models. Finished in the distinctive Estoril Blue Metallic - B45 color, it allows for maintaining the stylistic consistency of the factory M Sport package and restoring the proper geometry of the sill area. This is a solution for users who expect precise fitment and an aesthetic finish in accordance with BMW standards.

Specifications and technical data

• SKU: 8056579-EB4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8056579
• Substitutable numbers: 51778056579, 8056579
• Location on the vehicle: Left
• Color: Estoril Blau Metallic - B45
• Category: Running Boards & Side Bars

Purpose and fitment for BMW F30/F31

The presented sill strip has been designed specifically for the BMW 3 Series F30/F31 generation body with the M Sport package. Its placement on the left side of the vehicle ensures proper reproduction of the sill line and compatibility with factory mounting points. As a result, the component integrates with other body parts without the need for structural modifications.

The original BMW origin means maintaining appropriate dimensional tolerances, which translates into proper alignment with doors, wheel arches, and underbody covers. This is particularly important during accident repairs and restoring the vehicle to a state consistent with the factory M Sport specification.

Technical characteristics and Estoril Blue Metallic - B45 color

The sill strip is factory-prepared for operation in areas exposed to dirt, weather conditions, and operational loads. The design intended for installation on the left side of the vehicle ensures appropriate rigidity and stability within the sill area.

The finish in Estoril Blue Metallic - B45 is characteristic of sporty BMW configurations with the M Sport package. Using this shade allows you to:

• maintain visual consistency of the entire body,
• minimize the need for additional paint work when matching to existing elements,
• preserve the original character of the M version, especially in combination with factory bumpers and overlays.

Function in the sill area and service application

The sill strip in the M Sport package serves both a protective and aesthetic function. It is responsible for shielding the lower part of the body from mechanical damage and contributes to the optical lowering of the vehicle's silhouette. In the case of damage to the side of the body, corrosion, or bodywork intervention, replacing this element allows for restoring the correct sill line and the factory look of the vehicle.

The element will work particularly well in situations where:

• it is necessary to replace a damaged strip on the left side,
• the vehicle has undergone body and paint repairs in the sill area,
• the user aims to maintain the original M Sport look without using aftermarket replacements.

Used condition and benefits of choosing OEM parts

The offered sill strip is a used component, which allows for cost-effective repairs while maintaining the original BMW specification. Compared to replacements, the OEM part ensures proper fitment to the body and compliance with the M Sport stylistic line.

Choosing an original component from this category is a solution for users who expect:

• a factory look of the sill area,
• compatibility with existing mounts and covers,
• color consistency with other elements in the Estoril Blue Metallic - B45 shade.

Expanding the BMW sill area upgrade

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 strips, check out the available parts in the BMW sill strips category.

For users interested in a broader approach to selecting body components and other used subassemblies, our guide may be helpful – more information can be found in the article The best used car parts – a guide to the most frequently chosen original parts.