BMW F10 Fuel Cover Filler Fill In Flap Cap Mineral Grey B39 7204341

BMW F10 Fuel Cover Filler Fill In Flap Cap Mineral Grey B39 is an original body component from the Fuel filler covers and accessories category, designed for installation in the rear section of the vehicle. The paint in the Mineral Grey Metallic - B39 shade ensures color consistency with the factory BMW body finish and helps reduce the need for additional painting when the part is correctly matched.

Specifications and technical data

• SKU: 7204341-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7204341
• Substitutable numbers: 41007204341, 7204341, KD
• Location on the vehicle: Rear
• Color: Mineral Grau Metallic - B39
• Category: Fuel Flaps & Components

Purpose and function of the BMW F10 fuel filler flap

The fuel filler flap in the BMW F10 is responsible not only for the aesthetic closure of the filler recess but also for protecting the fuel filler neck from dirt and moisture. The presented component is tailored to the rear body zone, ensuring it maintains correct body geometry and compatibility with the standard opening and closing mechanism.

Its original BMW origin means it maintains factory dimensional tolerances, proper edge profiling, and compliance with the F10 model's design lines. This is particularly important for post-accident repairs, where precise fitment with the fender and other body panels is crucial.

Mineral Grey Metallic - B39 color and visual fit

The Mineral Grey Metallic - B39 finish is characteristic of many BMW F10 units and allows for a uniform body appearance. The metallic paint coating provides appropriate color depth and the typical BMW gloss, which facilitates integration with the vehicle's existing paintwork.

With the correct color match, the flap can be installed without the need for full repainting, which shortens repair time and reduces costs. In the case of more demanding restorations, the element can also serve as a base for repainting in a different shade while maintaining the proper structure and shape.

Characteristics of the used component

The presented fuel filler flap is an aftermarket part, which allows for an economical body repair while maintaining the original BMW construction. A used component is a good solution in situations where factory fitment and compliance with the model line are priorities, while simultaneously optimizing the repair budget.

Thanks to the preservation of the standard geometry and mounts, installation proceeds similarly to replacing a factory part, without the need for structural modifications. This is beneficial for both body shops and users looking for a proven solution for their BMW F10.

Installation zone and technical aspects

The flap is intended for installation in the rear part of the vehicle, in the area of the fuel filler recess. The component's design is adapted to the standard hinge and opening mechanism used in the BMW F10, which allows for maintaining the correct opening angle and trouble-free access to the fuel cap.

Proper fitment of the flap is important not only visually but also functionally – a correctly positioned element reduces the risk of rubbing against adjacent panels, minimizes stress on the paint, and helps maintain the tightness of the filler zone against external dirt.

Selection support and additional materials

It is worth linking the selection of the appropriate fuel filler flap with the general condition of the vehicle's fuel system. To better understand the relationships between body elements and fuel system components, a guide describing the diagnostics and operation of the fuel system may be helpful – detailed information can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

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 covers, security accessories, or mounting elements, check the available parts in the BMW fuel filler covers and accessories category.

In case of doubts related to choosing a used body component or if you wish to deepen your knowledge about the second-hand parts market, it is worth reading a practical guide on their advantages and limitations: Used car parts: myths and facts you need to know.