Mini R50 R52 W10 Fuel Injection Pipe Pressure Regulator 1487238

The Mini R50 R52 W10 Fuel Pressure Regulator is a component of the gasoline fuel system, designed for precise fuel pressure control in Mini R50 and R52 series engines with the W10 unit. Maintaining stable fuel rail pressure is crucial for proper injector operation, smooth combustion, and preserving the engine's factory performance.

Specifications and technical data

• SKU: 1487238
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 1487238
• Substitutable numbers: 13531487238, 1487238
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The fuel pressure regulator in a Mini is responsible for maintaining the correct pressure in the fuel rail across the entire engine load range. For W10 gasoline engines, this directly impacts:

• stable injector operation and consistent fuel delivery,
• correct air-fuel mixture under various driving conditions,
• efficient engine starting when cold and hot,
• prevention of knocking combustion and undesirable power loss.

Selecting the right regulator is particularly important for vehicles driven dynamically, where fuel pressure fluctuations can lead to uneven engine operation.

Compatibility with Gasoline Systems

This component works with gasoline engine fuel systems, where maintaining appropriate pressure across the entire RPM range is essential. A properly functioning regulator supports:

• effective fuel atomization by the injector nozzles,
• stable idle speed without fluctuations or stalling,
• smooth acceleration without jerking or fuel supply interruptions,
• maintaining factory emission parameters, which facilitates passing periodic technical inspections.

Proper interaction between the regulator, fuel rail, and fuel pump is significant for both performance and the longevity of the entire fuel system.

Category: Mini Injector Nozzles

The fuel pressure regulator is intrinsically linked to components in the injector nozzles category, as the correct operation of sequential injection in Mini engines depends on stable pressure. If you are looking for other components in this group, such as additional fuel rail elements or injectors, check out our offer on Mini injector nozzles to complete your fuel system for servicing or upgrades.

Condition and Service Application

The offered regulator is from the secondary market, making it an attractive solution for economical fuel system repairs in Mini R50/R52. These types of components are often chosen in situations where:

• problems with uneven engine operation occur under changing loads,
• difficulties arise with starting after a prolonged standstill,
• diagnostics indicate unstable fuel pressure in the fuel rail.

Replacing the regulator is recommended after a prior verification of the fuel system to rule out other causes, such as a damaged fuel pump or leaking lines.

Diagnostics and Technical Knowledge

Although this element works with a gasoline injection system, the operating principle of regulators and the impact of fuel pressure on injector operation are similar to solutions used in diesel engines. If you want to better understand how injection problems manifest and their potential consequences if neglected, it is worth reading the article diesel injector faults – symptoms, consequences, and diagnostics, which clearly explains typical symptoms and system checking methods.

Individuals planning more advanced engine modifications, including fuel supply optimization, can also refer to the guide how to increase engine power using used parts, which describes a practical approach to tuning using components from the secondary market.

Summary

The Mini R50 R52 W10 Fuel Pressure Regulator is a functional component of the gasoline fuel system, designed for precise control of fuel rail pressure. A properly selected and functional regulator supports smooth engine operation, correct fuel delivery, and the maintenance of stable operating parameters, which translates to driving comfort and predictable vehicle behavior in everyday use.