BMW F21 Fuel Fill in Filler Flap Cover Cap Midnight Blue Metallic B38 7270543

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F21 Fuel Fill in Filler Flap Cover Cap Midnight Blue Metallic B38 is an original body component from the Fuel filler covers and accessories group, designed for installation in the rear part of the vehicle. The Midnight Blue Metallic – B38 paint finish allows for an aesthetic match to the factory body color, facilitating a quick and precise replacement of a damaged flap without the need for costly repainting.

Specifications and technical data

• SKU: 7270543-MBM
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270543
• Substitutable numbers: 7270543, 51177270543
• Location on the vehicle: Rear
• Color: Midnight Blue Metallic - B38
• Category: Fuel Flaps & Components

Purpose and function of the BMW F21 fuel filler flap

The presented fuel filler flap has been designed specifically for the BMW F21 series as a rear body component. It is responsible for protecting the fuel filler from dirt, moisture, and mechanical damage, while maintaining the consistency of the side body line. Thanks to its factory shape and mountings, it ensures a proper fit with the fender and correct operation of the opening mechanism.

Midnight Blue Metallic – B38 color and visual matching

The Midnight Blue Metallic – B38 finish is characteristic of many BMW configurations, which is why using this flap allows you to reduce or completely eliminate the need for repainting the component. This is a practical solution for post-accident repairs, minor bodywork corrections, or replacing the part after parking damage. The original metallic paint ensures a consistent shade, appropriate gloss, and compatibility with the vehicle's factory paint coating.

Installation characteristics and performance parameters

The fuel filler flap is mounted in the rear part of the body, at the location of the factory filler, using the original mounting points. The design intended for the BMW F21 allows for:

• maintaining the correct body geometry in the fuel filler area,
• working with the standard opening and closing mechanism,
• proper adhesion to the fender line and sealing of the filler zone.

The item comes from dismantling, which means it is a used part, but still functional and suitable for further use after proper installation. This is a cost-effective solution for users who want to reduce repair costs while maintaining the original manufacturer's specifications.

Application in the fuel system and operational aspects

A functional fuel filler flap is not only important for aesthetics but also for practical reasons – it limits the ingress of dirt and moisture around the cap, which promotes trouble-free operation of the fuel system. In case of repairs or diagnostics of this area, it is worth familiarizing yourself with the principles of proper operation of the entire fuel supply system. Detailed information on the construction and servicing of the fuel system can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, component selection by part numbers, and the principles of their regeneration.

Selection of other items from the BMW Fuel filler covers and accessories group

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 covers, accessory guards, or supplementary mounting elements, check the available parts in the BMW Fuel filler covers and accessories category.

Summary

BMW F21 Fuel Fill in Filler Flap Cover Cap Midnight Blue Metallic B38 is a practical solution for users looking for an original, used body component in Midnight Blue Metallic – B38 color. Thanks to its factory fit for the rear of the vehicle, it enables efficient replacement of a damaged flap, restoring the aesthetics and functionality of the fuel filler zone without the need for interference with the body structure.