BMW E63 E71 E87 E90 E91 E92 Diesel High Pressure Pump Fuel Injection 7795713

The High-Pressure Fuel Pump for BMW 1 / 3 Series E87 E90 E91 Diesel is an original fuel system component designed for BMW diesel engines. It ensures precise fuel delivery at the correct pressure, leading to stable engine operation and proper interaction with the injection system. This solution is dedicated to drivers and workshops that expect parts structurally compliant with the factory BMW system.

Specifications and technical data

• SKU: 8511824-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8511824
• Substitutable numbers: 13518511824, 8511824, 13517797413, 7797413, 13517787199, 7787199, 13517795714, 7795714, 13517805522, 7805522, 13517807288, 7807288, 7795713, 0445010126, 0986437323
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The presented pump belongs to the group of Fuel Pumps and Level Sensors and is used in diesel engines installed in BMW 1 Series E87 and 3 Series E90 / E91. Its task is to generate high fuel pressure in the fuel rail, enabling the correct operation of injectors and maintaining appropriate combustion parameters. A properly selected high-pressure pump allows for maintaining:

• stable fuel pressure across the entire engine load range,
• correct injection quantity in urban and highway driving modes,
• consistent operation with the control electronics and fuel system sensors.

Compatibility and Replacement Numbers

This model is factory-linked with a specific OEM part number and has assigned interchangeable numbers, which facilitates replacement selection within the same pump family. This allows for matching the component by both the manufacturer's number and the references used by injection system suppliers. Before purchasing, it is advisable to verify the pump's compatibility with your specific vehicle using the VIN number or by comparing the markings on the old part. This approach minimizes the risk of incompatibility with the injection system and fuel system of a particular diesel engine.

Diesel Engine Operating Characteristics

The pump is designed to work with Diesel fuel, which means an appropriate design of the pumping sections, seals, and components interacting with oily fuel. In practice, this translates to:

• adequate resistance to the operating pressure typical of modern common rail systems,
• proper interaction with fuel filtration and high-pressure lines,
• maintenance of operating parameters required by the BMW engine control unit. As an original BMW part, the pump retains the factory geometry of connections and mounting method, which facilitates installation in the engine bay without the need for system modifications.

Condition, Workshop Application, and Part Selection

The offered pump is a used part, making it an attractive cost-effective solution for workshops and individual users planning to repair the injection system in BMW 1 or 3 Series. It is suitable for both replacing a damaged pump and for comprehensive regeneration of the diesel engine's fuel system. To better prepare for the selection and installation of used fuel system components and control electronics, it is recommended to read the Global Parts guide: Used Car Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. The article discusses, among other things, selection by OEM numbers, compatibility issues, and practical installation tips that are also helpful when working with fuel system components. Additionally, when purchasing used parts, the guide to safe online shopping may be useful: Safe Online Purchase of Used Car Parts – A Step-by-Step Guide, which describes best practices for verifying sellers, part numbers, and compatibility with specific vehicle models.

BMW Fuel System Expansion

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, fuel modules, or fuel level sensors, check the available parts in the BMW Fuel Pumps and Level Sensors category. This approach allows for building a cohesive set of fuel system components, based on parts dedicated to BMW, which promotes hassle-free installation and maintains stable diesel engine operating parameters.