MINI Cooper One R55 R56 R57 R58 R59 R60 R61 Petrol Fuel Injector 7528176

MINI R55 R56 R57 Fuel Injector Petrol Injector is an original injector nozzle designed for Mini gasoline engines, ideal for professional repair or replacement of a worn fuel system component. The product comes from disassembly, which allows for a reasonable cost while maintaining the factory operating characteristics of the powertrain.

Specifications and technical data

• SKU: 7528176
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7528176
• Substitutable numbers: 13537528176, 7528176
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Technical Characteristics

The presented Mini gasoline injector nozzle is a component of the fuel supply system in R55, R56, and R57 models. It is responsible for precise gasoline dosing into the combustion chamber, which is crucial for stable engine operation, idle quality, and throttle response.

The injector has been designed to work with the Mini engine control system, ensuring:

• accurate fuel atomization at the correct moment in the engine cycle,
• maintenance of the correct mixture composition across the full load range,
• compatibility with factory injection maps used in Mini ECUs.

Benefits of Using an Original Injector Nozzle

Using an original injector in place of a worn or faulty component allows for the restoration of correct engine operating parameters without the need for ECU software modifications. In practice, this means:

• more stable idling and reduced jerking during acceleration,
• more predictable throttle pedal response across the entire RPM range,
• reduced risk of excessive fuel consumption due to incorrect gasoline dosing,
• limited carbon deposit formation in the combustion chamber and on valves.

By maintaining factory flow rates and opening characteristics, the injector supports proper cooperation with lambda sensors and the catalytic converter, which is important for both the durability of the equipment and exhaust emissions.

Component Condition and Application in Service Practice

The injector comes from disassembly, making it an attractive alternative to new replacements when cost optimization is important while maintaining the original component design. This type of component is often chosen by workshops specializing in the Mini brand and by users who want to restore factory engine parameters after fuel system issues arise.

In service practice, replacing a single injector nozzle is recommended, among other things, for:

• uneven engine operation when cold or after warming up,
• loss of power and reduced vehicle dynamics,
• starting problems after a longer period of inactivity,
• fault codes stored in the ECU related to fuel trim corrections.

Importance of Functional Injectors for Engine Longevity

A functional injection system directly impacts engine lifespan, fuel consumption, and running smoothness. Incorrect fuel dosing can lead to overheating of combustion chamber components, accelerated wear of pistons and rings, and catalytic converter damage. Therefore, at the first signs of fuel dosing problems, it is advisable to perform diagnostics and replace the faulty injector if necessary.

If you want to better understand how fuel injection system problems manifest and what their neglect can lead to, check out the article on our blog: injector failures – symptoms, consequences, and diagnostics. Although the text concerns diesel engines, many failure mechanisms and diagnostic principles also apply to gasoline engines.

Other Mini Injector Nozzles

If you are also looking for other Mini injector nozzles for different engine versions or generations, check out our dedicated category: Mini injector nozzles. This will allow you to easily compare available variants and select the appropriate component for your specific model and engine configuration.

Summary

MINI R55 R56 R57 Fuel Injector Petrol Injector is a sensible choice for users and workshops who want to restore the proper operation of the fuel system in a Mini gasoline engine while maintaining the original component design. A properly selected injector nozzle supports stable engine operation, improves driving comfort, and reduces the risk of costly failures resulting from incorrect fuel dosing.