BMW X3 E83 3.0sd X5 E70 3.0d E90 E91 335d M57N2 Injector Fuel Diesel 7808089

BMW E83 E70 E90 M57N2 Injector is a precise component of the BMW diesel engine fuel system, designed for units from the M57N2 family. The offered injector from the Injector Nozzles category ensures proper fuel dosing, stable engine operation, and correct diesel running characteristics. This is a solution for users looking for a proven component with factory performance characteristics, tailored to the specifics of BMW engines.

Specifications and technical data

• SKU: 7808089
• 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 M57N2 Engines

The presented injector is designed for BMW M57N2 diesel engines, fitted in models of the E83, E70, and E90 series, among others. The design adapted to the common rail system ensures:

• precise diesel atomization in the combustion chamber,
• stable injection pressure across the full load range,
• correct compatibility with the factory BMW engine control unit.

By maintaining original performance characteristics, the injector helps preserve the vehicle's proper dynamics, reduce smoke, and support maintaining correct fuel consumption.

Injector Construction and Operating Characteristics

The injector belongs to the Injector Nozzles category and is a component of the high-pressure system in a Diesel engine. Its construction allows for multi-phase fuel injection (pilot, main, and potentially post-injection), which translates to:

• smoother engine operation,
• better mixture combustion,
• reduced diesel-specific noise.

A properly selected injector nozzle is crucial for protecting pistons, valves, and the particulate filter, as well as for maintaining compliance with factory exhaust emission parameters.

Condition, Origin, and Benefits of Using a Used Injector

The offered part is a used BMW injector, allowing for an economical repair of the fuel system while maintaining the original manufacturer's specifications. Choosing such a component means:

• the possibility of restoring correct engine operation without the need to invest in a new part,
• maintaining factory fitment to the cylinder head and common rail,
• easier diagnostics and adaptation compared to aftermarket replacements of uncertain origin.

Before installation, professional diagnostics of the injection system are recommended to confirm the correct operation of all accompanying components (rail, high-pressure pump, lines).

Diagnostics and Operation of Diesel Injection Systems

A functional injector directly impacts the starting, flexibility, and running characteristics of a Diesel engine. Symptoms such as difficulty starting when warm, uneven idling, power loss, or increased smoke may indicate the need to check the injector nozzles. If you want to better understand the symptoms of wear and the potential consequences of neglect, it is worth reading the article diesel injector faults – symptoms, consequences, and diagnostics, which discusses this topic in detail.

Compatibility and Selection of the Correct BMW Injector Nozzle

When selecting an injector for a specific BMW model, pay attention to the engine type, the M57N2 generation, and compatibility with the control system. The offered part has dedicated manufacturer markings and interchangeable numbers, which facilitates matching it to a specific vehicle configuration. If in doubt, it is advisable to compare the parameters with the currently installed injector or consult a mechanic specializing in BMW engines.

If you are looking for other BMW injector nozzles for your car, check out the BMW injector nozzles available in our store to select a part perfectly matched to your specific model and engine version.