BMW F30 F31 Sill Strip Side Skirt Cover Left N/S Alpinweiss Alpine White - 300

Visual condition of the part

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

BMW F30 F31 Sill Strip Side Skirt Cover Left N/S Alpinweiss Alpine White - 300 is an original body component designed for installation on the left side of 3 Series models, ensuring a consistent look and factory-fit. Finished in Alpinweiss 3 - 300, it allows for the aesthetic replacement of a damaged trim without the need for body geometry modifications. This is a practical solution for users who expect a solid, factory-standard part from the Side Skirts category.

Specifications and technical data

• SKU: 7312751-AW2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7312751
• Substitutable numbers: 51777312751, 7312751
• Location on the vehicle: Left
• Color: Alpinweiss 3 - 300
• Category: Running Boards & Side Bars

Purpose and function of the component

The presented side skirt is designed as a component for the left-hand sill area of the vehicle, responsible for covering and finishing the lower part of the bodywork. Thanks to its factory geometry, it ensures proper adhesion to the body, which facilitates installation and reduces the risk of stress in the sill area. This element serves both a protective and visual function, streamlining the side line of the car and restoring its consistent appearance after body and paint repairs.

Color and paint matching

The trim is finished in Alpinweiss 3 - 300, characteristic of many BMW 3 Series F30/F31 generation vehicles. Using the correct shade of white allows for maintaining a uniform body color, which is particularly important when replacing individual components. In practice, this means reducing the scope of additional paint work or simplifying it, should it only be necessary to match the coating to the individual condition of the vehicle's paint.

Installation characteristics

As an item from the Side Skirts category, the left sill is prepared for installation at the factory mounting points provided by the manufacturer. The properly shaped profile facilitates seating the trim relative to the sill and other side panels, which translates into an even gap line and correct fitment with adjacent elements. This type of construction also favors subsequent service – removal and reinstallation can be performed without interfering with the body structure.

Condition and service application

The offered component is in used condition, making it an attractive alternative to new parts for accident repairs, restorations, or replacing damaged trims. This type of solution is often chosen in situations where the priority is to maintain the original vehicle specification while optimizing costs. The side skirt will work well both in routine repairs and in comprehensive restoration of the side body section.

Part selection and compatibility

To correctly select the element for a specific vehicle, it is worth paying attention to parameters such as vehicle make, placement on the vehicle, and paint color. Using an original side skirt dedicated to the BMW 3 Series F30/F31 minimizes the risk of installation problems and eliminates the need to adjust replacements with different geometry. In case of doubt regarding compatibility, comparing the shape and mounting points with the currently installed element may be helpful.

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

For those interested in a broader context of the development of body solutions and body components in the premium segment, an article describing the evolution of flagship models may be helpful, available here: The evolution of the Mercedes S-Class – innovation and parts development over the years.