BMW F10 F11 Diesel N57 Engine Fuel Injection Injector System Set

BMW F10 F11 Diesel N57 Injector System Kit 7805428 is a complete, used system from the injector nozzles category, designed for BMW 5 Series F10/F11 generation diesel engines with the N57 unit. This is a solution for users looking for a technically matched injector kit for a diesel engine, based on original BMW components.

Specifications and technical data

• SKU: 7805428-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7805428
• Substitutable numbers: 7805428, 13537805428, 13537805423, 7805423, 13537800124, 7800124, 0445216031, 0 445 216 031, 13518577654, 8577654, 13517800593, 7800593, 7800123, 0445010617, 0 445 010 617, 13537799994, 7799994, 7799993, 13537799993, 7799998, 13537799998
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and Characteristics of the Injection System

The presented injector system kit for BMW F10/F11 with N57 engine is designed to operate in modern diesel engines, where precise fuel doses, stable pressure, and injection repeatability are crucial. Using a complete kit from a single powertrain unit reduces the risk of compatibility issues and facilitates post-installation diagnostics.

The system is configured for Diesel fuel, meaning it is adapted to high operating pressures and the specific working conditions of BMW diesel engines. This allows for maintaining the proper operating characteristics of the N57 unit, good dynamics, and correct mixture combustion.

Benefits of Using the BMW N57 Injector Kit

Using a complete injector system in the N57 engine brings a number of practical operational benefits:

• Component Consistency – the elements come from a single system, which promotes uniform operation of all cylinders.
• Better Fuel Dose Control – precise injection helps maintain stable idle speed and predictable throttle response.
• Reduced Smoking – properly functioning injector nozzles help reduce excessive exhaust smoke during acceleration.
• Support for Emission Control Systems – correct fuel injection facilitates the operation of the DPF filter and the exhaust gas recirculation system.

For BMW 5 Series F10/F11 owners with the N57 engine, choosing a complete injector kit is often a more predictable solution than replacing individual components with different configurations.

Compatibility and Part Identification

The offered system belongs to the injector nozzles category and is intended for BMW vehicles with the N57 diesel engine. Identification is based on the OEM part number and available replacement numbers, which are detailed in the technical specifications section. This allows for precise verification of compatibility with a specific engine version and vehicle year.

If you need other elements from the same group, check the BMW injector nozzles available in our assortment to select components based on the correct manufacturer's designation and fuel type.

Product Condition and Practical Application

The injector system is used, making it an attractive cost alternative to new components while maintaining the original BMW specifications. This type of solution is particularly interesting for:

• N57 engine repairs after failure of individual injectors or the high-pressure pump,
• comprehensive unit overhaul, when it is cost-effective to use a complete system from a single vehicle,
• comparative diagnostics, when a functional reference set is needed to rule out faults in the fuel system.

A used injector system helps reduce service costs while maintaining a design consistent with the manufacturer's factory specifications.

Operation, Diagnostics, and Technical Knowledge

The efficiency of injector nozzles directly impacts engine smoothness, fuel consumption, and emission levels. In case of symptoms such as uneven idling, power loss, or excessive smoking, it is worth consulting the guide Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails, which discusses common symptoms and diagnostic methods for injection systems in diesel engines.

If you have doubts regarding the selection of a used injector system, the article Used Car Parts: Myths and Facts You Need to Know, which explains when the use of used components is technically justified and economically beneficial, may also be helpful.