BMW E90 E91 LCI E92 325d 330d Diesel N57 Set Fuel Pump Injection System 7800123

BMW E90 E91 LCI E92 325d 330d Diesel N57 Injector System Kit is a complete component from the Injector Nozzles category, designed for BMW 3 Series diesel engines with the N57 unit. The kit allows for professional servicing of the diesel fuel system, ensuring stable engine operation and correct fuel delivery.

Specifications and technical data

• SKU: 7805428-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805428
• Substitutable numbers: 7805428, 13537805428, 7800123, 13537805423, 7805423, 13537800124, 7800124
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The Injector System Kit for BMW 3 Series is designed for N57 diesel engines used in E90, E91 LCI, and E92 models in the 325d and 330d versions. The construction, based on factory BMW solutions, guarantees proper fuel system operating parameters, adequate injection pressure, and precise fuel atomization in the combustion chamber.

The components included in the kit work with the common rail system, which translates to:

• stable diesel fuel delivery across the full engine load range,
• correct fuel spray formation for the N57 unit,
• maintaining diesel engine refinement during startup and while driving.

Benefits of Using the Injector System Kit

A properly selected injector kit is crucial for the durability and efficiency of the engine. Using the Injector System Kit for BMW E90/E91 LCI/E92 325d 330d allows for:

• reducing the risk of uneven engine operation resulting from incorrect fuel injection,
• maintaining proper vehicle dynamics thanks to correct pressure and delivery,
• decreasing mechanical stress within the N57 unit through uniform mixture combustion,
• maintaining predictable fuel consumption under typical operating conditions.

The injection system in a diesel engine is one of the most heavily loaded components, so using components compatible with BMW solutions is important for both performance and engine safety.

Condition, Origin, and Compatibility

The presented BMW Diesel Injector System Kit comes from the used parts offering, allowing for an economical repair or upgrade of the fuel system in vehicles with the N57 engine. The components are from the BMW product line, ensuring structural compatibility with the engine's original equipment.

Before installation, standard workshop diagnostics are recommended, including checking operating parameters on a diagnostic bench and verifying system tightness. This allows for tailoring the kit to a specific vehicle and confirming the correct operation of the injectors in the given engine.

Operation and Diagnostics of the Diesel Injector System

For N57 diesel engines, regular inspection of the injector system directly impacts engine longevity and driving comfort. Symptoms such as starting difficulties, smoking, or power loss may indicate the need to check the condition of the injectors or the entire injector system. In such cases, it is advisable to seek expert knowledge and diagnostic tools to accurately assess the condition of the components.

For users who want to better understand the symptoms of wear and the consequences of neglect, the article describing common diesel injection problems will be helpful: diesel injector faults – how to recognize them and what their neglect entails. This provides practical knowledge for planning repairs or replacing fuel system components.

Expanding the Offer in the BMW Injector Nozzles Category

If you are planning comprehensive fuel system service for your car and are also interested in other injection configurations, check out the BMW injector nozzles available in our store. This will allow you to select a solution tailored to your specific engine version and the scope of planned maintenance work.