BMW 3 F30 F31 Sill Strip Side Skirt Cover Left N/S Black Sapphire Metallic 475

Visual condition of the part

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

BMW 3 F30 F31 Sill Strip Side Skirt Cover Left N/S Black Sapphire Metallic is an original sill cover designed for installation on the driver's side. This body component in this specific color finish ensures a consistent paint appearance while providing solid protection for the lower part of the bodywork against dirt and mechanical damage. Thanks to its factory origin from BMW, the correct mounting points and geometry perfectly matched to the body lines of the 3 Series F30/F31 are maintained.

Specifications and technical data

• SKU: 7312751-BS2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7312751
• Substitutable numbers: 51777312751, 7312751
• Location on the vehicle: Left
• Color: Black Sapphire Metallic - 475
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The presented side sill cover is dedicated to BMW 3 Series F30/F31 generation models and is mounted on the left side of the vehicle. As a component from the wheel arch and Mud Flaps group, it is responsible for limiting the stream of water, mud, and small stones thrown from under the wheels onto the lower part of the doors and the sill. A properly selected sill strip helps reduce the risk of corrosion and paint damage in this critical area of the bodywork.

Color and visual fit

The finish in Black Sapphire Metallic – 475 ensures consistency with the factory BMW paint palette. The metallic black masks typical operational dirt well while maintaining an elegant, understated character. For users who care about the aesthetics of the bodywork, this is a beneficial solution when replacing a damaged strip or restoring the vehicle to its original appearance after body and paint repairs.

Technical characteristics and installation

The sill cover has been designed as a body component mounted at factory attachment points on the left side of the vehicle. The design provided by the manufacturer allows for precise alignment with the sill line and the lower edge of the doors, which limits the formation of leaks and unwanted vibrations. Thanks to the preservation of the original geometry, the installation proceeds in an orderly manner – after proper preparation of the body surface, the component can be fitted without the need for body modifications.

Condition and practical application

The component comes from disassembly and is offered as a used BMW part, which is a cost-effective solution for users looking for a factory component at a reasonable price. This type of cover will work well both for post-accident repairs and for replacing worn or damaged body parts in a daily-driven car. Maintaining the original manufacturer's specification helps preserve proper aerodynamics and the correct operation of adjacent body components.

Comprehensive expansion of the BMW sill zone

If you are planning a comprehensive repair or upgrade of the sill zone 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 Mud Flaps category.

How to safely select a used sill cover

When selecting a used body component, it is crucial to verify compatibility with the specific body version and placement on the vehicle. It is worth paying attention to the mounting side, paint type, and mounting design to avoid problems during installation. If you want to organize the selection process and reduce the risk of an incorrect purchase, use the practical tips contained in the article No more bad purchases! How to professionally select used car parts, where you will find advice on verifying the compatibility of OEM components.