BMW F10 F20 F21 F30 N47S1 High Pressure Fuel Injection Pump 7823456

BMW F10 F20 F30 N47S1 High-Pressure Pump is a specialized component of the diesel engine fuel system, designed for BMW models with the N47S1 unit. A used high-pressure pump from the Fuel Pumps & Level Sensors category allows for a technically correct repair of the injection system while maintaining the original design concept. This is a solution for users who expect a proven component with parameters consistent with the original BMW design.

Specifications and technical data

• SKU: 8597820
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8597820
• Substitutable numbers: 13518597820, 8597820, 13518577653, 8577653, 13517823457, 7823457, 7823456, 0 445 010 528, BG
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Application and Compatibility with N47S1 Engine

The presented high-pressure pump has been designed to work with the N47S1 engine in BMW F10, F20, and F30 series cars powered by Diesel fuel. The pump's construction is adapted to the operating characteristics of modern common rail systems, ensuring the correct operating pressure for precise fuel delivery by the injectors.

Thanks to the use of an original BMW solution, the correct mounting geometry, fuel connector positions, and engine drive method are maintained. This reduces the risk of fitting issues and facilitates the mechanic's work during component replacement.

Functional Parameters and Role in the Fuel System

The high-pressure pump in a diesel engine is responsible for:

• generating the appropriately high fuel pressure in the common rail,
• stabilizing pressure across a wide range of engine loads,
• cooperating with sensors and the engine control unit for precise fuel metering,
• ensuring correct engine starting and smooth operation of the power unit.

A properly selected high-pressure pump directly affects engine running smoothness, acceleration dynamics, and fuel consumption. Using a component consistent with the BMW design helps maintain the injection system's factory parameters and reduces the risk of diagnostic errors related to fuel pressure.

Benefits of Choosing a Used BMW High-Pressure Pump

Choosing a used high-pressure pump for BMW F10, F20, and F30 with the N47S1 engine is a solution that combines economic aspects with the preservation of the original technical concept. The main advantages of such a solution include:

• factory fitment for the BMW fuel system with the N47S1 engine,
• maintaining the original operating characteristics of the common rail system,
• possibility of installation in place of a worn pump without the need for fuel system modifications,
• reduction of repair costs compared to purchasing a new component.

A used high-pressure pump is a good choice when the priority is to restore the injection system's functionality while maintaining compliance with original BMW solutions.

Selection by OEM Number and Interchangeable Numbers

Before purchasing, it is recommended to verify the pump's compatibility with your vehicle based on the OEM part number and available interchangeable numbers. This confirms compatibility with the specific version of the N47S1 engine and the car's year of manufacture. If in doubt, it is advisable to use the vehicle's VIN or service documentation to avoid problems with the installation and operation of the fuel system.

If you are interested in other BMW Fuel Pumps & Level Sensors, check availability in our assortment: BMW Fuel Pumps & Level Sensors.

Installation and Operational Recommendations

When installing a high-pressure pump in a diesel engine, it is recommended to:

• use new seals in accordance with the manufacturer's guidelines,
• thoroughly bleed the fuel system after installation,
• check the condition of the high-pressure lines and the common rail,
• perform adaptations or service procedures specified by BMW (if required).

Properly conducted installation and post-startup diagnostics (fuel pressure check, no leaks, no control unit errors) are crucial for the long-term and stable operation of the injection system.

If you are also considering purchasing other used electronic components or sensors, the guide on used automotive electronics may be helpful: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.