BMW 1 Series F20 LCI Cover Fuel Filler Pot Carrier Cap 7434640 51177434640

BMW 1 Series F20 LCI Cover Fuel Filler Pot Carrier Cap is an original body component from the Fuel filler flaps and caps group, designed for BMW 1 Series models after the facelift (F20 LCI). It provides an aesthetic finish to the fuel filler area and stable protection for the cap housing against dirt and external factors, serving as a functional addition to the factory bodywork.

Specifications and technical data

• SKU: 7434640
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7434640
• Substitutable numbers: 51177434640, 7434640
• Category: Fuel Tank Caps

Purpose and function of the fuel filler cover

The fuel filler cover in the BMW F20 LCI is responsible for the tight and stable closure of the filler area, as well as the proper guidance of the cap and opening mechanism. This component:

• protects the area around the filler neck from water, mud, and road salt,
• reduces the risk of contaminants entering the cap area,
• maintains a consistent appearance of the side bodywork,
• works in conjunction with the factory fuel flap opening mechanism.

Thanks to the preservation of factory geometry, the cover ensures proper fitment with the flap and body elements, which translates into stable closing and predictable operation in daily use.

Construction and fitment for the BMW F20 LCI

The offered cover has been designed specifically for the construction of the BMW 1 Series F20 generation after the facelift, taking into account the characteristic shape of the wheel arch and the filler recess. This means:

• compatibility with the factory mounting points in the body,
• maintenance of appropriate rigidity in the fuel filler zone,
• proper guidance of the cap and the components provided by the manufacturer.

As a component from the Fuel filler flaps and caps group, the cover works with the original cap and flap, which facilitates installation and eliminates the need for additional modifications.

Condition, origin, and benefits of choosing OEM parts

The product comes from the BMW line and is an OEM part, which means it maintains factory dimensional parameters and compatibility with the F20 LCI body. The used nature of the item allows for an economical replacement while maintaining original manufacturing quality and fitment.

Choosing an original fuel filler cover for the BMW F20 LCI primarily means:

• certainty of compatibility with the body structure,
• easier installation in place of a damaged component,
• maintaining a consistent appearance of the vehicle's side.

Installation and maintenance tips

When replacing the fuel filler cover, it is worth paying attention to the condition of the body mounts and the correct positioning of the seals and cap guides. It is recommended to:

• check the operation of the flap opening mechanism after installation,
• verify the tightness of the filler area after the first refueling,
• periodically clean the fuel filler recess of road dirt.

To better understand the role of the filler area in the entire fuel system, a guide on diagnostics and maintenance of the fuel system may be helpful – you can find it in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expanding the fuel filler zone in your BMW

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, flaps, or caps, check out the available parts in the BMW fuel filler flaps and caps category.