BMW E81 E87 LCI E90 E91 F10 Fuel Injector N47 N57 Diesel 7805428

BMW E81 E87 E90 F10 N47 N57 Injector 7805428 is an original injector nozzle designed for BMW diesel engines, used in popular 1, 3, and 5 Series models, among others. This part comes from a dismantled vehicle, allowing for an economical yet technically sound repair of the fuel system in Diesel engines.

Specifications and technical data

• SKU: 7805428-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805428
• Substitutable numbers: 13537805428, 7805428
• Fuel type: Diesel
• Category: Fuel Injectors

Technical Characteristics of the BMW Injector

The presented injector nozzle belongs to the Injector Nozzles category and is a factory component from BMW, designed to work with N47 and N57 diesel engines. The injector's construction is adapted for precise Diesel fuel delivery, which is crucial for the engine's smooth operation, exhaust emissions, and fuel consumption.

Original manufacturing ensures proper spray patterns, correct operating pressure, and accurate opening and closing characteristics of the nozzle. This allows the injector to work with the factory engine control unit without the need for software modifications.

Application in BMW N47 and N57 Diesel Engines

The injector is intended for Diesel fuel systems used in modern BMW N47 and N57 units, fitted in E81, E87, E90, and F10 models. This solution is dedicated to operating under high-pressure conditions, typical for modern direct injection systems.

The selection of an original injector nozzle is important for:

• stable engine operation across the full RPM range,
• maintaining correct power and torque,
• reducing smoke and excessive exhaust emissions,
• minimizing the risk of rough idling and starting problems.

Benefits of Using an Original Injector Nozzle

Choosing an original BMW injector from the Injector Nozzles category allows you to maintain the engine's factory performance parameters. Compared to low-quality aftermarket parts, this component ensures:

• better fuel delivery repeatability across individual cylinders,
• a lower risk of piston, valve, and DPF filter damage due to incorrect injection,
• greater compatibility with the factory engine control unit software,
• easier diagnostics during subsequent inspections and tests of the injection system.

For users who wish to keep their car in a condition close to its original state, using an original injector nozzle is a technically justified and long-term beneficial solution.

Practical Installation and Diagnostic Tips

When replacing an injector in a BMW Diesel engine, it is recommended to perform a full fuel system diagnosis, including checking the other nozzles, fuel rail pressure, and any potential leaks. Professional installation using appropriate tools and maintaining cleanliness of the cylinder head seats directly impacts the component's durability.

To better understand the symptoms of wear and the potential consequences of neglect, it is worth reading the guide: diesel injector faults – symptoms, consequences, and diagnostics. This will help you assess when injector nozzle replacement is necessary and how to prevent future failures.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles for different cylinders or engine variants, check out our dedicated offer: BMW injector nozzles. This will allow you to easily select a complete set of components for your injection system, maintaining component consistency throughout the engine.