BMW G20 Side Skirt Left N/S M Sport Sill Strip Cover Trim Portimao Blue - C31

Visual condition of the part

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

BMW G20 Side Skirt Left N/S M Sport Sill Strip Cover Trim Portimao Blue is an original body component designed for installation on the left side of the vehicle. Designed as a sporty sill cover, it improves the protection of the lower bodywork and the visual consistency of the M Sport package. Thanks to the factory finish in Portimao Blue Metallic - C31, it allows for a uniform paint appearance without the need for additional color matching.

Specifications and technical data

• SKU: 8099909-POR
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8099909
• Substitutable numbers: 8099909, 51778099909
• Location on the vehicle: Left
• Color: Portimao Blue Metallic - C31
• Category: Running Boards & Side Bars

Purpose and function of the component

The presented left side skirt is dedicated to the BMW 3 Series G20 body with the M Sport package and constitutes an integral part of the side sill structure. This component:

• protects the lower edge of the bodywork against stone chips and road debris,
• stabilizes the side line of the vehicle, ensuring proper airflow along the sill,
• complements the characteristic, sporty profile of the M Sport package.

Thanks to the factory geometry, the trim maintains proper fitment with the bodywork, which is crucial for maintaining the rigidity and aesthetics of the sill area.

Color and visual matching

The trim is finished in Portimao Blue Metallic - C31, one of the characteristic paint colors used on the BMW G20. This means that:

• there is no need for additional painting when replacing the component on a vehicle of the same color,
• color consistency with the remaining body panels is maintained,
• the metallic structure of the paint emphasizes the sporty character of the M Sport package.

Replacing a damaged trim with an original component in the same color allows for restoring the factory look of the side body section without aesthetic compromises.

Installation characteristics

The side skirt has been designed as a component intended for installation on the left side of the vehicle, taking into account the factory mounting points in the BMW G20. This means that:

• the shape and profile are matched to the original sill construction,
• holes and clips are prepared for standard mounting solutions,
• the component works with other M Sport package parts in this area.

Such a configuration facilitates service work and allows for precise replacement of the damaged trim without the need for body modifications.

Condition and practical application

The offered side skirt is a used component, which makes it an attractive solution for users looking for a factory component with a favorable price-to-quality ratio. It is a good solution both for post-accident repairs and for visual refreshing of the sill area in vehicles used on a daily basis.

Expansion of the sill area in BMW

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 side skirts category.

For drivers interested in the safe selection of used vehicle system components, including elements mounted in demanding body areas, a guide describing best practices when purchasing second-hand parts may be helpful – you can find it in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?.