BMW G20 M3 G80 Fuel Filler Flap Cover Door 51177433404

BMW G20 M3 G80 Fuel Filler Flap Cover Door is an original body component from the Fuel filler covers and accessories group, designed for BMW 3 Series G20 and M3 G80 models. This used OEM part ensures a factory fit, a consistent body appearance, and proper protection of the fuel filler against contaminants and external factors.

Specifications and technical data

• SKU: 7433404
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7433404
• Substitutable numbers: 51177433404, 7433404
• Part type: Fuel Door
• Category: Fuel Flaps & Components

Purpose and function of the BMW fuel filler flap

The BMW G20 M3 G80 Fuel Filler Flap Cover Door is responsible for covering the fuel filler neck and maintaining the aesthetic side line of the vehicle body. A correctly selected component from this series guarantees:

• secure closing and stable holding in the closed position,
• protection against water, mud, and road salt,
• preservation of the original body geometry in the fuel filler area. Thanks to its factory design, the flap works with the standard hinge and lock mechanism, which facilitates installation and reduces the risk of leaks in this area.

Construction and fitment for BMW G20 and M3 G80

The component was designed by BMW as a body part dedicated to a specific generation of the 3 Series and the M3 version. This means maintaining the correct bending radius, edge shape, and mounting points, which translates into:

• precise fitment with the fender and body line,
• no need for mounting modifications,
• compatibility with the factory opening mechanism. The original construction from the Fuel filler covers and accessories group also facilitates potential paint work – the painter deals with a component of known structure and predictable behavior during surface preparation.

Characteristics of the used OEM part

As a used part, the flap comes from vehicle dismantling and retains the manufacturer's factory specifications. In practice, this means:

• original shape and dimensions consistent with the BMW G20 / M3 G80 body,
• preservation of the construction intended for operation in the fuel filler zone,
• possibility of installation as a replacement for a damaged or missing flap. A used OEM element is a cost-effective solution that is also technically consistent with the rest of the bodywork, which is particularly important for post-accident repairs or replacing individual body panels.

Practical installation and maintenance tips

Before installation, it is worth verifying the condition of the hinge, spring, and opening mechanism in the vehicle so that the newly installed flap operates smoothly and without jamming. It is also recommended to:

• check for play on the hinge after bolting the component,
• inspect the gap between the flap and the fender along the entire perimeter,
• gently adjust the position if the manufacturer has provided for such an option. This approach allows for restoring the proper operation of the fuel filler zone and avoiding problems with the flap not closing or rubbing against adjacent body elements.

Expanding fuel filler area repairs and technical knowledge

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, mounts, or accessory protections, check the available parts in the BMW Fuel filler covers and accessories category. When working in the engine fuel supply area, it is also worth ensuring proper diagnostics of the entire fuel system. Practical tips on the safe selection of dismantled components can be found in the article: Fuel dosing problems – how to consciously buy a used injection pump and fuel rails.

Summary

BMW G20 M3 G80 Fuel Filler Flap Cover Door is an original body component from the Fuel filler covers and accessories group, designed for a precise fit in 3 Series G20 and M3 G80 models. Choosing a used OEM part allows you to restore full functionality and a consistent look to the fuel filler area, while maintaining the manufacturer's technical standards and reducing repair costs.