Description
BMW X3 E83 3.0sd X5 E70 3.0d E90 E91 335d M57N2 Diesel Fuel Injector is an original injector nozzle designed for BMW diesel engines from the M57N2 family. This component ensures precise diesel fuel metering, which translates to stable engine operation and proper driving comfort.
Specifications and technical data
- SKU: 7808089-1
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7808089
- Substitutable numbers: 13537808089, 7808089, 0445115077, 0 445 115 077
- Fuel type: Diesel
- Category: Fuel Injectors
Application in BMW Models with M57N2 Engine
The presented Diesel fuel injector is intended for selected BMW models with the M57N2 engine, including the X3 E83, X5 E70, and 3 Series E90/E91 in 3.0d and 335d versions. The injector nozzle’s design is adapted to the characteristics of high-torque units, allowing for maintained performance while preserving reasonable fuel consumption.
By using an original injector nozzle from the Injector Nozzles category, compliance with factory fuel system parameters is maintained, reducing the risk of starting problems, rough idling, or power loss.
Injector Nozzle Construction and Operating Characteristics
The injector is a precision component of the common rail system, responsible for accurate fuel atomization in the combustion chamber. The appropriately selected geometry of the injector tip and the needle opening characteristics allow for the correct fuel spray pattern, which contributes to:
- stable mixture combustion across the full engine load range,
- reduced smoke emissions and improved exhaust cleanliness,
- smooth acceleration without jerks or interruptions in fuel delivery.
The component is designed to work with diesel fuel, as indicated by the fuel type: Diesel parameter, ensuring compatibility with the factory fuel system in M57N2 engines.
Benefits of Using an Original Injector Nozzle
Choosing an original injector from the BMW Injector Nozzles category helps maintain the engine’s factory performance and reduces the risk of costly failures. Key benefits include:
- correct fuel metering in accordance with engine control unit maps,
- maintaining uniform operation of all cylinders, contributing to smooth running and reduced vibrations,
- better throttle response due to proper pressure and injection timing,
- reduced risk of piston and valve overheating resulting from the correct fuel spray pattern.
The used condition allows for an economical repair of the injection system while maintaining the original manufacturer’s specifications, which is particularly important for powerful 3.0d and 335d units.
Selection and Diagnostics of Diesel Injectors
When replacing an injector in an M57N2 engine, it is crucial to match the component to the specific engine version and ensure compatibility with the OEM part number and interchangeable numbers (available in the specifications). This helps avoid problems with engine control unit adaptation and ensures proper cooperation with other common rail system components.
If you want to better understand the symptoms of injector wear, their impact on engine operation, and diagnostic methods, it is worth reading the article Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. You will find practical information there to help assess the condition of the injection system before replacing components.
Other BMW Injector Nozzles and Summary
If you are looking for other BMW injector nozzles – for example, for different engine versions or other models of this brand – check out the BMW injector nozzles available in our assortment. This will make it easier to select the appropriate component for a specific engine number and vehicle year.
The BMW X3 E83 3.0sd X5 E70 3.0d E90 E91 335d M57N2 Diesel Fuel Injector is a sensible choice for users who want to restore proper operation of the injection system in powerful BMW diesel engines. An appropriately selected injector nozzle supports stable engine operation, improves driving comfort, and helps maintain factory-like parameters.
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