BMW F30 F31 Side Skirt Sill Strip Left N/S Mineralgrau Grey Metallic - B39

Visual condition of the part

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

BMW F30 F31 Side Skirt Sill Strip Left N/S Mineralgrau Grey Metallic - B39 is an original body component from the Side Skirts category, designed for installation on the left side of the vehicle. The Mineral Grau Metallic - B39 paint finish ensures color consistency with the factory bodywork, while the use of a dismantled part supports an economical and technically conscious car repair.

Specifications and technical data

• SKU: 7312751-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7312751
• Substitutable numbers: 51777312751, 7312751
• Weight: 150
• Location on the vehicle: Left
• Color: Mineral Grau Metallic - B39
• Category: Running Boards & Side Bars

Technical specifications and intended use

The presented side skirt is designed as a component for the left side of the BMW F30 body. Its placement on the driver's side of the vehicle ensures a proper fit to the factory body geometry, which facilitates installation and reduces the need for additional bodywork modifications.

The Mineral Grau Metallic - B39 color is a popular metallic grey shade used by BMW, which blends well with the body lines and allows for an aesthetic finish of the sill area without the need for immediate repainting, provided the vehicle's paint matches this code.

Body function and installation benefits

The side skirt plays an important protective and aesthetic role in the lower part of the vehicle's side. It is responsible for:

• protecting the sill edge against dirt and minor mechanical damage,
• organizing the side line of the body and aesthetically closing the area between the doors and the chassis,
• stable airflow guidance along the sill, which limits the accumulation of contaminants.

Using an original side skirt from the same model series allows for maintaining dimensional and mounting consistency with other body components, which is particularly important for the precise alignment of doors, fenders, and underbody covers.

Condition, material, and installation aspects

The item is offered as a used part, which in practice means real cost benefits while maintaining the manufacturer's original specifications. Such body components are designed for long-term use, which is why, when installed correctly, they can continue to perform their function in a stable and predictable manner.

The side skirt is prepared for installation in the factory location, using the mounting points provided by the manufacturer. Thanks to this, service work can be carried out in an orderly manner, without interfering with the structural integrity of the sill. The appropriately selected weight of the component helps maintain the correct body balance and does not introduce unwanted stress in the mounting area.

Aesthetics of the Mineral Grau Metallic - B39 paint

The Mineral Grau Metallic - B39 finish is characterized by a subdued, metallic structure that effectively masks minor dirt and is practical for daily use. Combined with other body panels in the same shade, it creates a cohesive, modern look for the side of the car.

For users planning a renovation or partial paint refresh, using a side skirt in this color makes it easier to match the paint coating and minimizes the scope of any potential paintwork required.

Complementary elements and circular economy

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.

Choosing dismantled body parts is also a conscious support for the circular economy in the automotive industry. If you want to learn more about how used components – including body parts – affect the environment and service costs, check out the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.

Summary

BMW F30 F31 Side Skirt Sill Strip Left N/S Mineralgrau Grey Metallic - B39 is a functional, original body component from the Side Skirts category, designed for installation on the left side of the vehicle. Thanks to the factory Mineral Grau Metallic - B39 color and its fitment for the BMW F30 structure, it is a practical solution for post-accident repairs, sill area renovation, or an aesthetic refresh of the side of the body.