BMW F21 Fill-in Flap Filler Fuel Cover Estoril Estoril Blau - B45

BMW F21 Fill-in Flap Filler Fuel Cover Estoril Estoril Blau is an original body component from the Fuel filler covers and accessories group, designed for the 1 Series F21 models. The paint in the Estoril Blau Metallic – B45 shade ensures color consistency with the factory body finish, which is particularly important for post-accident repairs or spot restoration. The used OEM part ensures a proper fit for the fuel filler flap and correct operation with the hinge mechanism and the fuel filler recess.

Specifications and technical data

• SKU: 7270543-EB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270543
• Substitutable numbers: 7270543, 51177270543
• Color: Estoril Blau Metallic - B45
• Category: Fuel Flaps & Components

Purpose and function of the BMW F21 fuel filler flap

The fuel filler flap in the BMW F21 is responsible for protecting the fuel cap and the filler recess from dirt, moisture, and mechanical damage. A properly selected body component:

• maintains the tightness of the fuel filler area,
• stabilizes the operation of the hinge and opening mechanism,
• protects the paint around the recess from damage during refueling.

The original flap dedicated to the BMW F21 eliminates the problem of mismatched shapes, bending radii, or body lines, which is significant for both aesthetic and functional reasons.

Estoril Blau Metallic – B45 color and paint matching

The presented flap is factory-painted in Estoril Blau Metallic – B45, a color characteristic of sport-configured BMW vehicles. Thanks to this:

• color continuity is maintained between the flap and the adjacent body panels,
• you reduce the need for additional painting of the entire component,
• you minimize the risk of differences in tone and structure of the paint coating.

For many BMW 1 Series F21 users, this color is an important element of the car's visual identity, which is why using an originally painted flap allows you to maintain a consistent, factory look of the bodywork.

Benefits of using an original fuel filler flap

Using an original component from the Fuel filler covers and accessories group in a BMW F21 translates into a number of practical benefits:

• secure fit with the filler recess and fender line,
• proper geometry for the stock hinge and stops,
• preservation of factory gaps between body elements,
• easier installation without the need for mounting modifications.

A used OEM component is a reasonable compromise between cost and quality – you receive a part that is structurally compliant with the BMW factory standard, which facilitates service and subsequent operation.

Use in body and paint repairs

The fuel filler flap in Estoril Blau Metallic – B45 is particularly useful in situations where there has been local damage in the fuel filler area or when it is necessary to replace the flap itself after a collision. In practice, this means:

• the possibility of quick component replacement without full painting,
• reduction of vehicle downtime in the workshop,
• easier maintenance of the vehicle's original appearance.

For body and paint workshops and users who care about the visual condition of the car, this is a convenient solution that allows for efficient and technically correct repair of the fuel filler area.

Expansion of the fuel filler area in BMW

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

To better understand the importance of a properly functioning refueling area and the impact of fuel filler protection on vehicle operation, it is worth reading the guide on the fuel system: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.