BMW 3 5 Series E39 E46 M47N M47 M57N M57 Electrical Diesel Fuel Pump 7165590

The BMW E39 E46 M47N M47 M57N M57 Fuel Pump is an original component of the diesel fuel supply system, designed for BMW diesel engines. Thanks to its factory design, it ensures stable fuel pressure and proper supply to the engine unit, which translates into smooth engine operation and correct throttle response. This is a solution for users who want to maintain consistency with factory specifications and avoid compatibility issues with aftermarket replacements.

Specifications and technical data

• SKU: 7165590
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7165590
• Substitutable numbers: 16117165590, 7165590, 16144024378, 4024378, 16146755456, 6755456, 16126751867, 6751867, 16146767383 16147162000, 6767383 7162000, EM
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and Role in the Fuel System

The presented fuel pump belongs to the Fuel Pumps and Level Sensors category and is used in BMW diesel engines from the M47N, M47, M57N, and M57 families, fitted in models such as the 3 Series E46 and 5 Series E39. It is responsible for transporting diesel fuel from the tank to further system components, ensuring the appropriate flow and supply parameters required by the diesel engine.

In a correctly configured fuel system, this pump works in conjunction with filters, lines, and engine accessories, reducing the risk of air ingress, power loss, or cold start problems. The use of a dedicated component is particularly important in modern diesel engines, which are sensitive to the quality and stability of the fuel supply.

Compatibility, Markings, and OEM Selection

The pump is designed as an original BMW part, which facilitates selection by OEM number and by interchangeable numbers assigned to this reference. This allows for precise matching to the specific engine configuration and vehicle year, without the need for fuel system modifications.

In practice, this means that:

• selection can be based on the manufacturer's part number,
• related reference numbers are available, which expand the list of applications,
• compatibility with a specific VIN can be easily verified in BMW catalogs or by a specialist.

This approach minimizes the risk of installing an incorrect component and allows for maintaining operating parameters consistent with factory specifications.

Technical Characteristics and Fuel Type

The pump in question is designed for Diesel fuel supply systems. Its construction, adapted for diesel fuel, ensures appropriate material resistance and proper flow parameters for BMW diesel engines with electronically controlled injection.

A properly functioning fuel pump in a diesel engine affects:

• idle stability and engine running smoothness,
• correct supply pressure before the high-pressure system,
• easier starting after a prolonged stop,
• reduced risk of air ingress into fuel lines.

By maintaining the original specification, the user receives a component that works with the factory electronics and accessories without the need for additional modifications.

Condition, Origin, and Service Application

The fuel pump is a used part, removed from a vehicle, and offered as a used part, which significantly reduces repair costs compared to a new OEM component, while maintaining the original construction. This is a sensible solution for users who want to restore the functionality of the fuel system without compromising on original manufacturing quality.

A component of this type is particularly suitable in situations where:

• there are problems with starting or engine stalling,
• a drop in the performance of the in-tank pump has been diagnosed,
• the damaged pump needs to be replaced with an original equivalent.

Benefits of Using an Original BMW Fuel Pump

Using an original fuel pump in a BMW diesel engine offers a range of practical service and operational benefits:

• Factory Fitment – compatibility with the fuel system, wiring harness, and tank mountings.
• Consistency with Engine Control Unit Parameters – no need for software adaptation or modification.
• Predictable System Behavior – operating characteristics consistent with the vehicle manufacturer's design.

For users planning a comprehensive service of the fuel system, choosing an original component from the same production series as the factory-fitted one is often the most rational solution.

If you are looking for other items in the BMW Fuel Pumps and Level Sensors category, check out the BMW Fuel Pumps and Level Sensors available in our store to select a complete solution for your fuel system.

More practical information on selecting and operating used electronic components and sensors can be found in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?, which discusses, among other things, OEM matching principles and compatibility issues.