BMW 1 F21 F21N LCI Fill-in Flap Filler Fuel Cover Valencia Orange Metallic B44

The BMW 1 F21 / F21N LCI – Fuel Filler Flap Valencia Orange Metallic B44 is an original body part from the Fuel Filler Flaps and Accessories group, designed for facelifted (LCI) 1 Series models. The Valencia Orange Metallic B44 paint allows for color consistency with the factory body finish and restores the aesthetic of the car's side panel after damage or replacement.

Specifications and technical data

• SKU: 7270543-ORG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270543
• Substitutable numbers: 51177270543, 7270543, EM
• Color: Valencia Orange Metallic - B44
• Category: Fuel Flaps & Components

Purpose and Fitment for BMW 1 Series F21 / F21N LCI

The presented fuel filler flap is factory designed for the BMW 1 Series F21 and F21N facelifted body versions. This ensures correct geometry, shape, and mounting method, leading to proper alignment with the flap, filler neck recess, and fender line. The part is ready for installation in place of the original flap, without requiring any structural modifications.

Thanks to the use of original design, compatibility with the standard opening and closing mechanism of the fuel filler flap, as well as with factory seals around the filler neck socket, is maintained. This solution is particularly beneficial for accident repairs and for replacing the part due to mechanical damage or corrosion.

Valencia Orange Metallic B44 Color – Consistency with Factory Paint

The flap is finished in Valencia Orange Metallic B44, characteristic of sportily configured BMW 1 Series vehicles. The metallic paint structure provides appropriate color depth and matches the factory body finish in this shade.

In practice, this means that with correctly matched paint on the remaining body panels, a visually consistent effect can be achieved without the need for full painting of the entire panel. This is particularly important for localized repairs where both aesthetics and minimizing the scope of painting work are crucial.

Functional Characteristics and Role in the Fuel System

The fuel filler flap in the BMW F21 / F21N LCI is responsible for protecting the filler neck socket and securing the area around the cap from dirt and atmospheric influences. A correctly selected part:

• protects the filler area from water, road salt, and contaminants,
• stabilizes the area around the fuel cap,
• maintains the body line and continuity of the side panel creases,
• reduces the risk of corrosion within the filler recess.

In conjunction with a properly functioning cap and seals, the flap supports seamless operation of the refueling system, which is important for both user comfort and the long-term durability of components around the fuel tank.

Condition, Origin, and Installation Aspects

The part is from original BMW production, ensuring compliance with factory manufacturing and fitment standards. As a used part, it is a particularly attractive alternative to new components, allowing for economical repair while maintaining the vehicle's original specifications.

The flap is prepared for installation in place of the factory part. When replacing, it is recommended to:

• check the condition of the hinge and opening mechanism,
• verify the seals around the filler neck socket,
• check the alignment with adjacent body panels after installation.

Technical Support and Selection in the Context of the Fuel System

To better understand the relationships between the filler flap, cap, lines, and fuel tank, and to correctly diagnose problems in this area, it is worth consulting specialized materials. A practical discussion of the construction and operation can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which describes, among other things, component selection by OEM numbers and typical service procedures.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your BMW and need other parts from the same group, such as flaps, mounts, or additional covers, check the available parts in the BMW Fuel Filler Flaps and Accessories category.