BMW F20 F30 F31 Diesel 125d 325d N47S1 Set Injector Fuel Pump Injection System

BMW F20 Diesel N47S1 Fuel Injection System Kit Fuel Lines Fuel Pump is a set of components designed for BMW F20 diesel engines with the N47S1 unit. The kit includes key components of the diesel fuel supply system, allowing for efficient replacement of worn parts and restoration of proper engine operation.

Specifications and technical data

• SKU: 7823461-4
• 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
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The fuel injection system kit has been developed for the Diesel N47S1 engine used in the BMW F20. It includes components responsible for precise fuel metering and stable supply to the injector rail, which directly impacts engine smoothness, performance, and fuel consumption.

The kit is configured to work with the vehicle's factory electronics and engine accessories, ensuring that manufacturer-specified parameters are maintained. This allows for proper system pressure, uniform fuel atomization, and correct operation across the entire load range.

Kit Construction and Function of Individual Components

The BMW F20 Fuel Injection System Kit includes components responsible for transporting and metering diesel fuel from the tank to the combustion chamber. Key functions performed by the kit's components include:

• Maintaining stable fuel pressure across the entire engine speed range.
• Precise diesel fuel metering according to the engine control unit's maps.
• Uniform supply to all cylinders, which reduces vibrations and improves engine smoothness.
• Optimizing the combustion process, contributing to reduced smoke and noise.

A kit configured in this way allows for a cohesive replacement of fuel supply system components, without the need to source individual parts from different suppliers.

Application in N47S1 Diesel Engine

The BMW N47S1 engine is a diesel unit that requires precise fuel metering. Using a complete fuel injection system kit with lines and a fuel pump allows for:

• Restoring correct starting parameters for both cold and warm engines.
• Stabilizing idle operation and performance under load.
• Reducing the risk of uneven running caused by discrepancies in individual component output.
• Improving throttle response through correct fuel pressure and metering.

A complete component configuration is particularly beneficial for repairs where previous symptoms indicated fuel supply issues, such as power loss, jerking, or increased fuel consumption.

Benefits of Using a Complete Kit

Choosing a fuel injection system kit with a fuel pump and lines instead of individual components offers a number of practical service benefits:

• Component Consistency – parts come from a single system, simplifying diagnostics and installation.
• Reduced Repair Time – the mechanic doesn't need to source individual parts, speeding up the service process.
• Better Control Over Operating Parameters – a complete replacement of key fuel system components reduces the risk of leaving a weak link.
• Potential for Planned Upgrades – the kit is suitable for both standard repairs and more extensive engine overhauls.

Condition, Verification, and Vehicle Matching

The offered kit is from the group of used BMW injector nozzles and fuel system components, allowing for an economical repair while maintaining near-factory characteristics. Before installation, a standard diagnostic procedure in the vehicle is recommended, including checking fuel pressure parameters and potential adaptation in the engine control unit.

To select the correct kit for a specific vehicle configuration, it is advisable to compare the part numbers with the vehicle's service documentation and consult with a mechanic specializing in BMW diesel engines. This will ensure the kit can be used safely and in accordance with the manufacturer's specifications.

If you are looking for other parts in the BMW Injector Nozzles category for similar applications, check out the BMW Injector Nozzles available in our store to find a complete solution for your engine.

When planning a fuel system repair, it is useful to know the symptoms indicating wear in injectors and pumps. A detailed discussion of symptoms, potential consequences of neglect, and diagnostic methods can be found in the article Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails, which will help you better plan the scope of service work.