Mini F56 Fuel Tank Cooper S F55 F57 B48 Petrol Complete Tank Set

Mini F56 Fuel Tank Cooper S F55 F57 B48 Petrol Complete Tank Set is an original fuel system component designed for models equipped with the B48 engine. Engineered as a factory-fit solution, it ensures proper fuel storage, system integrity, and seamless integration with engine peripherals. This used component from the Fuel Tanks and Filler Pipes category allows for a technically correct repair without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 7440790
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7440790
• Substitutable numbers: 16117440790, 7440790, 16117300477, 7300477, 16117412465, 7412465, 16117349693, 7349693, 7409226, BG
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and compatibility

The presented fuel tank is dedicated to Mini F56 Cooper S vehicles as well as F55 and F57 body versions with the B48 petrol engine. This ensures the preservation of factory geometry, mounting points, and correct routing of fuel and ventilation lines. As a result, this component can be used as a direct replacement for a damaged tank without the need for structural modifications.

Construction and function in the fuel system

The Mini F56 Fuel Tank Cooper S F55 F57 B48 Petrol Complete Tank Set is responsible for safe fuel storage, stable engine supply, and integration with the ventilation and OBD diagnostic systems. The design is adapted to work with the modern B48 engine, which requires precise maintenance of pressure and continuous fuel flow. Using an original tank reduces the risk of leaks, fuel level sensor errors, and fuel system ventilation issues.

In practice, this translates into:

• proper cooperation with the factory fuel pump and accessories,
• maintaining the correct operating characteristics of the petrol supply system,
• compliance with factory safety parameters.

Benefits of using an original used tank

Choosing a used, original fuel tank for a Mini allows you to combine reasonable repair costs with factory-grade build quality. The component comes from a production vehicle, ensuring matched mounts, the correct working volume, and a layout of connectors compatible with the car's installation. No need for adaptation or modification of the fuel system shortens service time and reduces the risk of future leaks.

This solution is particularly recommended for:

• mechanical damage to the tank (cracks, deformations),
• corrosion or housing leaks,
• post-accident repairs in the rear part of the vehicle.

Professional selection by part numbers and fuel type

This tank model was designed to work with a petrol supply system, which is crucial for the proper operation of the B48 engine. Selecting parts by OEM number and interchangeable numbers allows for precise verification of compatibility with a specific equipment version and vehicle year. In practice, this minimizes the risk of purchasing an incompatible part and facilitates workshop operations.

To better understand the role of the tank in the entire fuel system and the principles of its diagnostics and operation, it is worth checking out expert material – this is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find practical tips on selecting parts by OEM and VIN numbers.

Application in Mini repairs and upgrades

The Mini F56 Fuel Tank Cooper S F55 F57 B48 Petrol Complete Tank Set is suitable both for standard replacement of a damaged element and for more extensive repairs of the vehicle's rear section. Using an original component helps maintain compliance with the manufacturer's service documentation and facilitates subsequent computer diagnostics. This is particularly important in modern designs, where the fuel system is closely linked to the engine control electronics.

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Mini and need other components from the same group, such as filler hoses, vent pipes, or additional mounting elements, check out the available parts in the Mini Fuel Tanks and Filler Pipes category.