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

BMW F30 325d Diesel N47S1 Injector System Kit is a complete, used set of components from the injector nozzles category, designed for the N47S1 diesel engine in the BMW F30 325d model. The product offers a practical solution for users seeking factory fitment and component consistency within the diesel engine's fuel system.

Specifications and technical data

• SKU: 7823461-1
• 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 injector system kit is designed for the Diesel N47S1 engine used in the BMW F30 325d. It includes components responsible for precise fuel delivery, which is crucial for stable engine operation, smooth running, and combustion parameters. The design is based on OEM BMW solutions, promoting compatibility with factory engine control unit maps and reducing the risk of adaptation issues.

The injection system in a diesel engine is responsible for creating the correct fuel-air mixture under high pressure. For the N47S1 unit, correctly selected injector nozzles help maintain:

• stable injection pressure across the full load range,
• even operation of all cylinders,
• exhaust emission control according to manufacturer specifications.

Benefits of Using the Injector System Kit

Selecting a complete injector system kit for a specific model and engine type reduces the risk of incompatibility between individual components. In practice, this means:

• better compatibility with the BMW F30 325d engine compared to randomly selected individual parts,
• consistent injector operating parameters, which facilitates adaptation and calibration in the engine control unit,
• reduced risk of rough idling and vibrations resulting from differences in fuel delivery.

For diesel units, the use of appropriately selected injector nozzles directly impacts fuel consumption, acceleration dynamics, and smoke levels under load. The kit dedicated to the N47S1 helps maintain parameters close to factory specifications, while preserving the correct torque characteristics.

Condition, Origin, and Fitment

The presented BMW injector system kit comes from the used parts offering, allowing for an economical restoration of the fuel system's efficiency in vehicles with operational mileage. Choosing components from the BMW OE injector nozzles category is particularly important where maintaining original engine operating parameters and correct interaction with factory electronics are crucial.

For certainty of fitment, it is advisable to compare the markings with the vehicle's documentation or existing system components. The product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific engine version and car year without the need for fuel system modifications.

Injector System Operation and Diagnostics

In diesel engines, symptoms of wear or improper operation of injector nozzles can include starting difficulties, power loss, increased fuel consumption, or smoking. When replacing the injector system kit, it is recommended to:

• perform computer diagnostics before and after installation,
• check injector correction parameters in the engine control unit,
• verify the fuel system's tightness after starting the engine.

If you want to better understand the typical symptoms of injector wear and the consequences of neglecting them, the article: diesel injector faults – symptoms, consequences, and diagnostics will be helpful. This will allow you to consciously plan servicing and assess when replacing the entire kit is justified.

Related Products and BMW Fuel System Development

If you are looking for other components from the BMW injector nozzles category, matched to different models and engine versions, check our offer at BMW injector nozzles. This will allow you to select components compatible with your vehicle's specific configuration, both in terms of power and the type of injection system used.