BMW G20 G21 Entrance Sill Cover Front Trim Panel Left Right N/O/S 7407387

Visual condition of the part

The product shows signs of use visible in the photos.

BMW G20 G21 Entrance Sill Cover Front Trim Panel Left Right is an original body trim component designed for installation in the front section of the door sills on both the left and right sides. It belongs to the Claddings, decorative strips, and trims group, allowing you to restore the factory look of the sill area and maintain the stylistic consistency of your BMW's bodywork. This is the ideal solution for users who expect precise fitment and an aesthetic finish without compromise.

Specifications and technical data

• SKU: 7407387
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7407387
• Substitutable numbers: 7407387, 51477407387
• Location on the vehicle: Front, Left, Right
• Category: Trim

Purpose and fitment for BMW 3 Series G20/G21

The presented sill cover has been designed specifically for BMW 3 Series G20 (sedan) and G21 (touring) models. Its placement in the front area, on both the left and right sides, allows for the symmetrical restoration of the original sill line, which is important for both visual and practical reasons. The component is prepared to work with factory mounting points, which facilitates installation and reduces the risk of improper fitment.

Protective and aesthetic function of the sill cover

The sill cover serves a dual role: it protects the edge of the sill from mechanical damage and visually organizes the lower part of the bodywork. In daily use, it protects this critical area against:

• scratches during entry and exit,
• minor impacts from stones and debris from under the wheels,
• excessive paint wear in the sill area.

As a result, the consistency of the side body line is maintained, and the vehicle gains a more orderly, well-kept appearance. The properly selected profile of the trim also facilitates the drainage of dirt from the sill area, which helps keep the bodywork in better condition.

Component characteristics and installation

As a part from the Claddings, decorative strips, and trims group, the sill cover is structurally prepared for outdoor conditions – in areas exposed to moisture, temperature changes, and contact with minor debris. The element's profile has been developed to:

• ensure stable adhesion to the sill surface,
• maintain appropriate rigidity during daily use,
• allow for service removal if further bodywork or painting is required.

Installation takes place in the front part of the vehicle, on both sides, using the mounting points provided by the manufacturer. This ensures that the factory geometry is maintained, and the risk of looseness or unwanted vibrations is minimized.

Component condition and service application

The offered sill cover is a used component, making it an attractive service solution for users looking for original parts at a reasonable price. This type of part is particularly useful in situations where it is necessary to:

• replace a damaged trim after a collision or contact with an obstacle,
• replace a missing element after previous body repairs,
• restore a consistent look to the left and right sills.

Using an original sill cover allows you to avoid fitment issues typical of universal aftermarket replacements and helps maintain the vehicle's value for potential resale.

Support with selection and further upgrades

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 strips, check out the available parts in the BMW Claddings, decorative strips, and trims category.

When planning broader service work, it is also worth checking out our guide on purchasing used components – you will find practical tips in the article Buying a used engine: 5 things you must check before installation, which helps assess the technical condition of components before installation and better plan the scope of repairs.