Mini One Cooper D R55 R56 R57 LCI R60 Diesel N47N Set Fuel Injection System

Mini One Cooper D R55 R56 R57 LCI R60 Diesel N47N Injector Set is a complete set from the injector nozzles category, designed for Mini diesel engines with the N47N unit. This solution is for users who want to restore proper operation of the diesel fuel system while maintaining the engine's factory performance characteristics.

Specifications and technical data

• SKU: 8506902-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8506902
• Substitutable numbers: 13538506902, 8506902, 13518577649, 8577649, 7823452, 0445010519, 13517823453 13518576514 13518509012, 7823453 8576514 8509012, 13537823460, 7823460, 0445214237
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Characteristics of the Injector Set

The injector set for Mini One Cooper D has been designed to work with the N47N engine in the R55, R56, R57 LCI, and R60 body versions. It is responsible for precise fuel metering in the common rail system, which is crucial for the unit's smooth operation, acceleration dynamics, and stable idle speed.

The components included in this set are tailored to the specifics of the Mini diesel unit, ensuring proper fuel rail pressure and correct spray pattern. This translates to efficient mixture combustion, reduced smoke, and proper response to load.

Technical Parameters and Diesel System Compatibility

The presented set belongs to the injector nozzles category and is intended for Diesel engines. The design of the injection system in the N47N unit requires components with precisely defined flow rates and opening times. Therefore, using the correct set directly impacts:

• maintaining stable common rail pressure across the entire RPM range,
• precise fuel metering during cold and hot starts,
• reducing combustion knock and uneven engine operation under load,
• maintaining factory exhaust emission parameters under typical operating conditions.

By using components that comply with the original Mini specifications, it is possible to maintain the correct torque characteristics and smooth power delivery, which is particularly important for everyday city and country driving.

Item Condition and Installation Aspects

The offered Mini Diesel N47N injector set is a used part. This means that professional verification on a test bench or in a specialized injection system service is recommended before installation. This approach allows for:

• assessing the uniformity of injection quantities between individual cylinders,
• checking system tightness at various operating pressures,
• verifying correct fuel atomization and component response time.

When replacing the injector set in an N47N engine, it is also advisable to ensure the cleanliness of the fuel system (fuel filter, lines, tank) to minimize the risk of re-contaminating the injector nozzles. Properly performed installation and adaptation in the engine control unit will ensure stable operating parameters without the need for additional adjustments.

Benefits of Using the Correct Injector Set

Choosing the right injector set for the Mini One Cooper D with the N47N engine brings tangible operational benefits. The most important include:

• smoother engine operation across the entire RPM range,
• more responsive throttle during acceleration and overtaking,
• reduced tendency to smoke under load,
• minimizing vibrations and jerks resulting from uneven fuel delivery.

A correctly selected and functional injection system also contributes to the protection of other engine components, such as the turbocharger or diesel particulate filter, as stable mixture combustion reduces the formation of excessive deposits and soot.

Diagnostics and Prevention of the Injection System

If your Mini exhibits symptoms such as difficult starting, uneven idling, power loss, or increased exhaust smoke, it is worth considering an injection system diagnosis before installing a new or used set. A detailed discussion of typical symptoms and potential consequences of neglect can be found in the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails.

Other Mini Injector Nozzles

If you are also looking for other injector nozzles for Mini, check the available options in our assortment by using the filtered category: Mini injector nozzles. This will allow you to easily compare different solutions in terms of their application in a specific model and match the component to your engine configuration.