BMW F20 F21 F30 E90 E92 High Pressure Fuel Pump N47N Engine 8597819
SKU: 8597819-2
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Used
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BMW F20 F21 F30 E90 E92 High Pressure Fuel Pump N47N is an original BMW diesel engine fuel system component, designed to operate under demanding pressure conditions. As part of the High-pressure fuel pumps group, it ensures precise diesel fuel dosing to the injectors, which translates into stable operation of the N47N unit. Using this OEM component allows for a technically correct repair of the fuel system without the need for replacements with uncertain parameters.
Specifications and technical data
- SKU: 8597819-2
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 8597819
- Substitutable numbers: 13518571796, 8571796, 8597819, 13518597819, 13514740613, 4740613, 13517810697, 7810697, 13517824477, 7824477
- Fuel type: Diesel
- Part type: High Pressure Pump
- Category: High Pressure Fuel Pumps
Purpose and role in the fuel system
The described high-pressure pump is a component of the Diesel engine fuel system, responsible for generating sufficiently high fuel pressure for the common rail injection system. In BMW F20, F21, F30, and E90, E92 series vehicles with the N47N unit, it is responsible for:
- stable maintenance of operating pressure in the common rail,
- precise preparation of fuel for injection across the full load range,
- cooperation with the electronic engine control unit regarding injection dose and timing. By maintaining the factory design, the pump remains consistent with the engine's operating characteristics, which is important for engine refinement, performance, and fuel consumption.
Benefits of using an original high-pressure pump
Using an original high-pressure pump in the N47N engine allows for maintaining fuel system operating parameters in accordance with the manufacturer's specifications. Key advantages include:
- Factory compatibility with the BMW injection system and engine control unit,
- maintenance of proper pressure characteristics across the entire RPM range,
- reduction of the risk of starting problems, power drops, or rough idling,
- possibility of use as a replacement for a component with different interchangeable numbers within the same pump family. Choosing an original pump from this group is particularly important in diesel engines, where the quality and stability of fuel supply directly affect the durability of the engine and associated components, such as injectors or the diesel particulate filter.
Condition, installation, and selection by part numbers
The offered pump comes from the used BMW parts segment, which allows for economical repair while maintaining the original specification. Before installation, a standard workshop procedure is recommended, including checking the fuel system, cleanliness of the lines, and the condition of the fuel filter to ensure proper operation of the component after installation. Selecting a pump for a specific vehicle should be based on the OEM number and interchangeable numbers assigned to this reference. This helps avoid problems with structural incompatibility or differences in operating parameters within the same engine family.
Technical support, selection, and additional materials
To better understand how the fuel system works in diesel engines, the diagnostic process, and the principles of regenerating components such as pumps and injectors, it is worth reading the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses, among other things, selecting parts by OEM number and typical symptoms of fuel system component wear. If you want to precisely select an original used high-pressure pump for a specific BMW vehicle using the VIN, the following guide may be helpful: How to select original used parts for BMW, Audi, and Mercedes using the VIN?. You will find practical tips there on how to avoid mistakes when ordering components for premium cars. If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as additional pumps, supply lines, or pressure control elements, check the available parts in the BMW high-pressure fuel pumps category.
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