BMW E87 E90 E91 M47N2 M57N2 High Pressure Fuel Pump Diesel 7798333

BMW E87 E90 E91 M47N2 M57N2 Diesel Injection Pump is an original fuel system component designed for BMW 1 and 3 Series diesel engines. This used pump, from the Fuel Pumps and Level Sensors category, allows for professional fuel system repair while maintaining the original engine performance characteristics. It's a solution for drivers who expect a proven part with stable operating parameters.

Specifications and technical data

• SKU: 7798333
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8511824
• Substitutable numbers: 13518511824, 8511824, 13517797413 13517787199 13517795714, 7797413 7787199 7795714, 13517805522 13517807288, 7805522 7807288, 7798333, 0445010146, 0 445 0101 46
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Application and Compatibility

The presented injection pump is designed for BMW diesel engines from the M47N2 and M57N2 families, fitted in E87, E90, and E91 models. The pump's design is adapted to the requirements of modern diesel units, ensuring proper common rail pressure and accurate fuel delivery across the entire load range.

Thanks to the use of original BMW technology, the pump works with the factory engine control unit, which simplifies post-installation adaptation and reduces the risk of starting problems, rough idling, or power loss. This is particularly important for precise diesel injection systems that are sensitive to parameter deviations.

Technical Characteristics and Diesel System Operation

In a diesel engine, the injection pump is responsible for generating high fuel pressure and delivering it stably to the injection rail. This unit features a design adapted for operation with Diesel fuel, with appropriately selected seals and working element tolerances.

Key design features of this pump include:

• adaptation to high operating pressures typical of common rail systems,
• designed to work with BMW control electronics,
• stable pressure characteristics across a wide engine speed range.

This configuration helps maintain engine smoothness, proper acceleration dynamics, and correct mixture combustion, contributing to the efficient operation of the entire fuel system.

Benefits of Using an Original BMW Pump

Choosing an original BMW injection pump for M47N2 and M57N2 engines primarily offers guaranteed fit for your specific car configuration. The component has been designed for a particular fuel system architecture, ensuring that:

• it fits factory mounting points and fuel lines,
• it works with standard injectors and pressure sensors,
• it minimizes the risk of engine control unit errors after replacement.

A used injection pump also represents a sensible compromise between repair cost and maintaining original manufacturer specifications. With proper installation and bleeding of the system, it can significantly extend the lifespan of the entire fuel supply system.

Selection by Numbers and Technical Support

This pump has a dedicated OEM part number and a set of interchangeable numbers, which facilitates precise identification and selection for a specific BMW vehicle. Before purchasing, it is advisable to compare the markings with your vehicle's data or use the VIN catalog to ensure full compatibility with your specific engine version and model year.

If you want to better understand the operation of your car's fuel system and the principles of part selection and refurbishment, the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Refurbishment will be helpful. You will find practical tips on diagnostics, operation, and common symptoms of injection pump wear.

If you have doubts about matching parts by OEM or reference numbers, you can use the practical guide: How to Select the Correct Car Part by VIN and OEM Number, which describes the compatibility verification process step by step.

Other BMW Fuel Pumps and Level Sensors

If you are also looking for other components from the Fuel Pumps and Level Sensors category dedicated to this brand, check out the BMW Fuel Pumps and Level Sensors available in our store. This will allow you to assemble the entire fuel system using parts tailored to the specifics of BMW 1 and 3 Series diesel models.