Fuel Flap Cap Cover BMW F21 F21N LCI Fill-in Flap Filler Black Sapphire Metallic

Visual condition of the part 

The product shows signs of use visible in the photos. 

Fuel Flap Cap Cover BMW F21 F21N LCI Fill-in Flap Filler Black Sapphire Metallic is an original body component from the Fuel filler flaps and accessories category, designed for installation in the rear section of the vehicle. The Black Sapphire Metallic - 475 paint finish ensures visual consistency with the factory BMW body finish and helps minimize the need for additional paint work during repair or replacement.

Specifications and technical data

• SKU: 7270543-BS
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270543
• Substitutable numbers: 51177270543, 7270543
• Location on the vehicle: Rear
• Color: Black Sapphire Metallic - 475
• Category: Fuel Flaps & Components

Purpose and function of the BMW fuel filler flap

The presented fuel filler flap has been designed specifically for the BMW F21/F21N series after the LCI facelift, taking into account the body geometry and character lines typical of this model. Its placement in the rear of the vehicle allows the component to serve both a protective function for the fuel filler and an aesthetic one, completing the lines of the side body panel.

The original construction ensures:

• proper fitment with the fender panel and the flap mechanism,
• stable mounting at factory attachment points,
• preservation of factory gaps and body lines.

Black Sapphire Metallic color – visual matching

The Black Sapphire Metallic - 475 finish is one of the popular paint codes used on BMW models, which facilitates matching the component during post-accident repairs or partial body restorations. The metallic black effectively masks minor shade differences, allowing the flap to be used both as a final replacement part and as a base for potential polishing or minor paint correction.

For users who value a consistent vehicle appearance, using an originally painted flap reduces the need for full repainting of adjacent panels, which translates into savings in time and service costs.

Used condition – practical technical benefits

The component comes from disassembly, meaning it is a used part that retains original BMW specifications. In practice, this means:

• original geometry and material rigidity,
• compatibility with the factory opening and closing mechanism,
• possibility of installation without structural modifications.

For many users and body shops, choosing this solution is a reasonable compromise between quality and repair cost, especially in the case of localized damage to the rear body section.

BMW fuel filler flaps and accessories – expansion and modernization

If you are planning a comprehensive repair or upgrade of the fuel filler area in your BMW and need other components from the same category, such as additional covers, shields, or accessory protective elements, check out the available parts in the BMW fuel filler flaps and accessories category.

Technical support and part selection

To correctly select the flap for a specific body version, it is worth verifying compatibility using the manufacturer's markings or reference numbers assigned to the given model. Comparing the shape and mounting points with the element currently installed in the vehicle may also be helpful.

For users who want to better understand the importance of a properly functioning fuel filler area in the context of the entire fuel system, the following article describing the diagnostics and maintenance of fuel components will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are considering a broader body repair using parts from disassembly, it is also worth reading our guide on the advantages of original used parts over aftermarket replacements: Post-accident repair of your car: why are used body parts a better choice than replacements?.