BMW F32 F36 Diesel Cover Pot Flap Lid Cap Fuel Filler Tank 7270491

BMW F32 F36 Diesel Cover Pot Flap Lid Cap Fuel Filler Tank is an original fuel filler cap designed for diesel versions of the BMW 4 Series F32 and F36. This component is responsible for a secure and tight closure of the filler neck, which is essential for both protecting the fuel system and maintaining the aesthetics of the bodywork. Thanks to its factory design, it ensures a precise fit to the body and proper operation with the fuel filler flap.

Specifications and technical data

• SKU: 7270491
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270491
• Substitutable numbers: 7270491, 51177270491
• Fuel type: Diesel
• Category: Other Car Parts & Accessories

Purpose and technical function

The fuel filler cap in BMW F32 and F36 diesel models is a wear-and-tear component that must meet requirements regarding tightness, chemical resistance, and compatibility with the tank ventilation system. This part has been designed specifically for diesel-powered vehicles, which minimizes the risk of refueling errors and supports the proper operation of the fuel system.

A properly selected cap:

• ensures a stable and consistent closure of the filler,
• limits the ingress of contaminants into the tank neck,
• supports the maintenance of correct pressure parameters within the fuel system.

Compatibility with diesel engines

This cap is intended for BMW 4 Series F32/F36 vehicles powered by Diesel fuel. The component's design is adapted to the specifics of fuel systems in BMW diesel engines, which translates into proper operation of refueling safety features and compliance with the manufacturer's factory standards.

As a result, the user receives a part that:

• is consistent with the factory architecture of the fuel system,
• allows for the preservation of the original functionality of the filler flap and lock,
• reduces the risk of leaks and improper tank ventilation.

Characteristics of the original BMW part

The fuel filler cap comes from the BMW line, which means it adheres to factory design and material standards. Original solutions of this type are designed for long-term operation, resistance to changing weather conditions, and contact with fuel and vapors. Using a part from the same product line allows for maintaining the technical consistency of the vehicle and facilitates potential future diagnostics.

The item is offered as used, which represents a reasonable compromise between repair costs and maintaining the original manufacturer's specifications. For many BMW users, this is a practical solution when replacing a damaged or worn fuel filler cap without the need to resort to aftermarket replacements with uncertain parameters.

Benefits of using an original fuel filler cap

Using an original fuel filler cap in a BMW F32/F36 with a diesel engine provides a number of measurable operational benefits:

• Factory fit – no modifications required, compatibility with body geometry and the flap mechanism.
• Fuel system consistency – design adapted to the requirements of BMW diesel engines.
• Rational repair cost – a used OEM part allows for cost reduction while maintaining a high level of quality.

This solution is particularly beneficial for post-accident repairs, replacing a damaged filler flap, or restoring full functionality to the refueling area after long-term use.

Expanding BMW bodywork upgrades

If you are planning a comprehensive repair or upgrade of the bodywork area in your BMW and need other components from the same group, such as flaps, covers, or small mounting elements, check out the available parts in the Other BMW category.

Technical knowledge and further vehicle development

For users interested in a broader context of premium segment car design, including differences in the construction of powertrains, braking systems, and chassis, material comparing solutions used in sports RS versions and standard model variants may be helpful. More information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the manufacturer's design philosophy and helps in making informed choices when selecting spare parts.