BMW 1 Series F21 F21N LCI Fill-in Flap Filler Fuel Cover Alpinweiss 3 White

The BMW F21 F21N LCI Fuel Filler Flap Alpinweiss 3 is an original body part from the Fuel Filler Caps & Accessories category, designed for compact BMW 1 Series facelift models. Finished in Alpinweiss 3 - 300, it allows for an aesthetic and technically correct replacement of a damaged flap, maintaining the vehicle's body line consistency.

Specifications and technical data

• SKU: 7270543-AW
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270543
• Substitutable numbers: 51177270543, 7270543, AS
• Color: Alpinweiss 3 - 300
• Category: Fuel Flaps & Components

Intended Use and Fitment for BMW F21 / F21N LCI

The presented fuel filler flap has been specifically designed for the F21 and F21N facelift (LCI) versions, ensuring proper alignment with the bodywork and factory hinges. This allows the part to maintain the car's side profile, prevent paint stress, and work with the original fuel filler opening mechanism.

As a part from the BMW group, the flap meets the manufacturer's requirements regarding geometry, sheet metal thickness, and mounting method, which facilitates installation in place of the original part without the need for modifications.

Alpinweiss 3 - 300 Color and Aesthetic Value

The Alpinweiss 3 - 300 color is a distinctive, bright white used on many BMW 1 Series F21 models. Using a flap in the same shade can reduce or completely eliminate the need for repainting, provided the other body panels are in good visual condition.

For owners who care about the car's consistent appearance, this means:

• maintaining a uniform color across the entire side of the vehicle,
• avoiding tonal differences typical of unpainted aftermarket replacements,
• an aesthetically pleasing finish for the fuel filler area, visible at every refueling.

Characteristics of a Used Part

The offered flap is a used part, which translates to significant savings compared to a new part while retaining the original BMW construction. Such components are often chosen for accident repairs, bodywork and paint corrections, and for restoring a car to a factory-like condition after localized damage.

Choosing an original, used fuel filler flap is particularly beneficial when you prioritize:

• maintaining the original material quality and shape,
• avoiding fitment issues with aftermarket replacements,
• reducing repair costs while maintaining OEM standards.

Function in the Fuel System and Operational Safety

The fuel filler flap plays an important protective role – it shields the cap and filler neck from dirt, moisture, and mechanical damage. In a properly functioning fuel system, the seal of the filler area is crucial for both the durability of components and the comfort of vehicle use.

To better understand how the flap interacts with other engine fuel supply components, it is worth consulting the guide Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses diagnostics and selection of parts by factory numbers.

Selection, Reference Numbers, and Practical Application

This fuel filler flap belongs to a group of parts designated with a specific OEM part number and associated interchangeable numbers, which facilitates precise identification through BMW catalogs or by the vehicle's VIN. This allows you to verify compatibility with your specific F21 / F21N LCI equipment version and year.

If you are planning a comprehensive repair of the fuel filler area on your BMW 1 Series, including the hinge, mounts, or additional protective elements, check other available components. To select compatible solutions, explore the parts available in the BMW Fuel Filler Caps & Accessories category.

Support for Purchasing Used Body Parts

Purchasing a used fuel filler flap is a sensible way to reduce repair costs, provided you approach part selection consciously. It's important to be aware of common mistakes made when choosing parts from the secondary market, especially for projects involving cosmetic refresh or minor visual tuning. Practical tips can be found in the guide Buying Used Car Parts • Common Mistakes When Choosing Parts for Tuning, which will help you avoid making poor decisions.