Fuel Cap BMW G20 Fuel Fill In Flap Cap Cover Portimao Blue Metallic C31 7433430

Visual condition of the part

The product shows signs of use visible in the photos.

Fuel Cap BMW G20 Fuel Fill In Flap Cap Cover Portimao Blue Metallic C31 is an original body component designed for standard versions of the BMW 3 Series G20. This used, factory-original cover ensures proper closure of the fuel filler, maintaining color consistency with the Portimao Blue Metallic paint and the correct geometry of the side body line. It is a practical solution for post-accident repairs, bodywork and paint adjustments, or replacing a damaged flap.

Specifications and technical data

• SKU: 7433430-POR
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7433430
• Substitutable numbers: 7433430, 41007433430
• Color: Portimao Blue Metallic - C31
• Category: Fuel Flaps & Components

Application and technical function

The fuel filler flap on the BMW G20 plays an essential role in protecting the refueling port from dirt, moisture, and mechanical damage. A properly selected body component:

• ensures correct seating in the factory opening in the fender,
• maintains the seal of the fuel filler area,
• stabilizes the operation of the hinge and opening mechanism,
• reduces the risk of corrosion around the refueling port.

Thanks to the preservation of the original geometry, the cover does not require structural modifications and allows for installation in accordance with BMW factory technology.

Portimao Blue Metallic C31 color and visual fit

The presented cover is finished in Portimao Blue Metallic – C31 paint, characteristic of modern BMW 3 Series G20 configurations. Using the original shade:

• facilitates maintaining color consistency across the entire side of the body,
• reduces the scope of necessary paint work when replacing the component,
• allows for aesthetic repair after local damage or scratches.

For body shops and users who care about the appearance of their car, this is a practical solution that speeds up the process of restoring the vehicle to its pre-damage condition.

Characteristics of the original BMW part

The original BMW fuel filler flap has been designed for precise alignment with the G20 body line. In practice, this means:

• compatibility with the factory hinge and opening mechanism,
• appropriate material rigidity,
• preservation of the correct gaps between body panels.

As an item from the Fuel filler flaps and accessories group, this part is intended for direct integration with the existing body structure, without the need to adapt universal solutions.

Used condition and benefits of installation

The cover is offered in used condition, which represents a reasonable compromise between repair costs and maintaining the original BMW structural quality. Choosing such a component allows you to:

• reduce replacement costs compared to a new part,
• maintain factory fitment and body lines,
• restore full functionality of the fuel filler area after mechanical damage.

This solution is particularly beneficial for local post-collision repairs when quick restoration of the vehicle's efficiency and aesthetics is required.

Integration with the fuel system and technical knowledge

Although the fuel filler flap is a body component, its proper operation affects the protection of the refueling area and indirectly the operating conditions of the fuel system. For users and workshops that want to deepen their knowledge of diagnostics and maintenance in this area, the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, selecting components by OEM numbers and the principles of proper maintenance, will be helpful.

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

For owners of this brand's vehicles who are considering broader visual or technical modifications, the discussion of the differences between standard components and the sports line in the material BMW M Performance: how do BMW M components differ from standard ones? may also be useful, which facilitates informed planning of further work on the car.