Mini Cooper S JCW R55 R56 R57 N14 Fuel Injection Rail Tube 7568050

Mini Cooper S JCW R55 R56 R57 N14 Fuel Injection Rail Tube is an original fuel system component designed for Mini S series models. Thanks to its factory design, it ensures stable fuel supply to the injectors, which translates into smooth engine operation, predictable throttle response, and proper integration with the vehicle's electronics. It is a practical choice for users looking for a proven OEM component for professional repair or upgrades of the fuel system.

Specifications and technical data

• SKU: 7568050-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7568050
• Substitutable numbers: 13537568050, 7568050, 13537528350, 7528350
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and role in the fuel system

The fuel injection rail used in the Mini S R55, R56, and R57 is responsible for evenly distributing fuel to individual injectors in the petrol engine. This component operates in the immediate vicinity of the power unit, which is why its geometry, channel diameters, and mounting points are precisely matched to the specific configuration of the Mini engine.

A properly selected fuel injection rail helps maintain:

• stable fuel pressure across the entire load range,
• correct injection doses for each cylinder,
• consistent cooperation with sensors and the engine control unit.

As a result, the petrol supply system maintains factory operating parameters, and the engine responds better to changes in load and driving conditions.

Application in Mini vehicles

Mini Cooper S JCW R55 R56 R57 N14 Fuel Injection Rail Tube has been designed for the S versions of popular Mini models, where the fuel system operates under increased load compared to lower-powered engine variants. Using an original rail allows for compliance with factory ECU maps, which is particularly important in higher-power units.

This component is suitable both for standard replacement of a worn-out rail and for repairs resulting from fuel supply issues, such as rough idling or power drops associated with disruptions in petrol flow to the injectors.

Benefits of choosing an original used fuel injection rail

Choosing an original fuel injection rail from the Fuel pumps and level sensors category is a solution that combines technical correctness with reasonable service costs. Compared to aftermarket replacements with uncertain parameters, the factory component ensures:

• compatibility with the design of the Mini S cylinder head and intake manifold,
• proper placement of injector ports and mounting points,
• predictable behavior in the petrol system, without the need for installation modifications.

A used OEM component is often chosen by workshops specializing in the Mini brand as a compromise between quality and repair cost, especially for cars that are used intensively but still maintained in good technical condition.

Selection by part numbers and integration with the fuel system

The fuel injection rail works with other components of the petrol supply system – the fuel pump, lines, injectors, and sensors. When selecting parts, it is crucial to pay attention to manufacturer markings and interchangeable numbers to ensure full compatibility with the specific version of the Mini S engine.

To better understand the relationships between the fuel injection rail, fuel pump, and tank, as well as the principles of diagnostics and regeneration of fuel system components, it is worth reading the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article helps in selecting the correct components by OEM numbers and VIN and explains typical symptoms of wear.

Expansion and modernization of the Mini fuel system

If you are planning a comprehensive repair or modernization of the fuel system area in your Mini and need other elements from the same group, such as a fuel pump, fuel level sensor, or additional supply components, check the available parts in the Mini fuel pumps and level sensors category.

By using consistent, original petrol system components, you can maintain stable engine operating parameters, reduce the risk of leaks, and avoid problems with ECU adaptation. This is particularly important in Mini S cars, where the fuel system operates under demanding conditions and requires precisely matched parts.