BMW F40 Side Skirt M Sport Sill Strip Left N/S Storm Bay Metallic - C3N

Visual condition of the part

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

BMW F40 Side Skirt M Sport Sill Strip Left N/S Storm Bay Metallic - C3N is an original trim component for the sill area, designed for installation on the left side of the vehicle body. Thanks to its factory paint in the Storm Bay Metallic – C3N shade, it ensures color consistency with the bodywork and an aesthetic fit for the M Sport package, serving as a functional and visual complement to the sill.

Specifications and technical data

• SKU: 9881574-SBA
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9881574
• Substitutable numbers: 9881574, 51129881574
• Location on the vehicle: Left
• Color: Storm Bay Metallic - C3N
• Category: Running Boards & Side Bars

Purpose and fitment

The side skirt has been designed specifically for the BMW F40 series with the M Sport package, intended for installation on the left side of the vehicle. The component's construction is adapted to factory mounting points, which facilitates proper alignment with the sill and adjacent body panels. This ensures the maintenance of the design line characteristic of the M version and the correct geometry of the sill edges.

Color and finish Storm Bay Metallic – C3N

The factory paint Storm Bay Metallic – C3N is a distinctive metallic blue shade used in original BMW configurations. Applying this coating to the side skirt allows for a uniform appearance of the side of the body without the need for additional painting, provided the color is correctly matched. The metallic structure of the paint highlights the sill line, harmonizes well with the M Sport contours, and improves the visual coherence of the entire side area.

Protective and functional role

The M Sport side skirt serves not only an aesthetic but also a practical purpose. It is responsible for:

• protecting the sill edge against typical mechanical damage when entering and exiting the vehicle,
• providing a stable closure of the body line at the bottom of the doors,
• increasing the resistance of the sill area to dirt and minor stone chips.

As a result, the component helps reduce the risk of paint damage on the sill and makes it easier to keep the side of the body in good visual condition.

Characteristics of the used part

The item comes from dismantling, which means it is an original BMW side skirt with its factory finish preserved. A used part allows for an economical repair or replacement of a damaged component while maintaining compliance with the vehicle's factory equipment. When installing, it is recommended to carefully check the condition of the surface and mounting points, as well as ensure it matches the specific M Sport equipment version.

Integration with other body components

The M Sport side skirt works in conjunction with other side body components, such as doors, seals, and lower covers. When properly installed, it:

• ensures the continuity of the M Sport package design line,
• limits the formation of leaks and unwanted gaps between elements,
• contributes to the correct airflow along the side of the vehicle.

Consequently, replacing a damaged side skirt with an original component from the same series helps restore the factory look and functionality of the sill area.

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, trims, or additional moldings, check the available parts in the BMW Sill Strips category.

When selecting body components from dismantling, it is worth paying attention to the compatibility of the equipment version and the condition of the paint surface. To better prepare for evaluating used components and planning repairs consciously, you can use the practical tips described in the article How to extend the service life of used car parts?.

If you are simultaneously working on the engine fuel system and considering using parts from the secondary market, the information contained in the guide Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?, which discusses key aspects of safely selecting used components, may be helpful.