Fuel Pump BMW F20 F30 F31 F32 125d N47S1 Injector Injection System Set 7823461

BMW F20 F30 125D N47S1 Fuel Injection System Fuel Pump Kit is a complete part of the diesel fuel supply system, designed for BMW F-series diesel engines with the N47S1 unit. The kit comes from the injector nozzles category, making it a coherent part of the injection system, ensuring proper fuel delivery in a diesel engine.

Specifications and technical data

• SKU: 7823461-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7823461
• Substitutable numbers: 7823461, 13537823461, 13537800601, 7800601, 13537809128, 7809128, 0445214183, 0 445 214 183, 13534740787, 4740787, 7797874, 0445010506, 0 445 010 506, 13518597820, 8597820, 13518577653, 8577653, 13517823457, 7823457, 7823456
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and Characteristics of the Injection System

The presented fuel injection system kit with a fuel pump has been designed for BMW engines from the N47S1 family used in F20 and F30 models in the 125d version. It is responsible for precise fuel supply to the power unit, which is crucial for stable engine operation, smooth running, and performance parameters.

As a component from the BMW injector nozzles group, the kit works with other common rail system components, maintaining the correct pressure and fuel dose across the entire load range. The construction based on OEM solutions allows for maintaining the engine's factory operating characteristics, without the need for installation modifications.

Kit Construction and the Role of the Fuel Pump

The kit includes a fuel pump, which is the heart of the injection system. Its task is to generate and maintain the correct pressure in the common rail, so that the injector nozzles can deliver fuel in precisely defined doses and moments of the engine cycle.

The system has been developed for diesel engines, therefore it is adapted to the operating parameters of a diesel engine – both in terms of operating pressure and resistance to thermal and mechanical loads. The use of original BMW architecture promotes the maintenance of:

• stable fuel pressure across the entire RPM range,
• repeatable injection dosing under all driving conditions,
• proper diesel atomization in the combustion chamber.

Benefits of Using an Original BMW Injection System

Using a complete fuel injection system with a fuel pump dedicated to the BMW F20/F30 125d with an N47S1 engine helps to reduce the risk of compatibility issues that often arise with replacement parts of uncertain origin. The original design ensures:

• maintenance of factory engine operating parameters – torque, power, and flexibility,
• correct cooperation with control electronics and injection system sensors,
• consistency with the factory fuel system without the need for modifications.

For workshops and users, this means shorter installation times and a reduced risk of needing further intervention in the fuel supply system.

Fuel Type and Significance for Diagnostics

The system has been developed for engines powered by diesel fuel. In these types of units, the quality and efficiency of the injection system directly affect:

• ease of cold starting,
• smooth idling,
• exhaust emissions and fuel consumption.

In case of symptoms such as power loss, smoking, or uneven engine operation, one of the key diagnostic areas is precisely the fuel pump and injector nozzles. More about typical symptoms and the consequences of neglect can be read in the article “Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails”, which discusses the diagnostics of injection systems in diesel engines in detail.

Condition, Origin, and Practical Application in Service

The offered fuel injection system kit with a fuel pump is a used part, sourced from a dismantled BMW vehicle. Such OEM components are often chosen by workshops and informed users because they allow for combining original manufacturing quality with a more favorable repair cost compared to new parts.

In practical service applications, using a used OEM injection system allows for:

• reducing vehicle downtime in the workshop due to the immediate availability of the part,
• maintaining compliance with factory parameters without the need for installation adaptation,
• optimizing repair costs while preserving the original BMW design.

If you are also looking for other parts from the BMW injector nozzles category, check our offer using the link: BMW injector nozzles. This will help you easily select other fuel supply system components for your model.