BMW E60 E87 E90 118d 325d 525d M47N2 M57N2 Fuel Injector 7794435

BMW E60 E87 E90 118D 325D 525D M47N2 M57N2 Fuel Injector 7794435 is an original part of the diesel fuel system, designed for BMW diesel engines from the M47N2 and M57N2 families. Precisely selected injection characteristics allow for stable engine operation, proper running smoothness, and adequate dynamics while maintaining reasonable fuel consumption.

Specifications and technical data

• SKU: 7794435-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794435
• Substitutable numbers: 13537794435, 7794435, 13537794555, 7794555
• Category: Fuel Injectors

Purpose and Compatibility

The presented BMW fuel injector is structurally adapted for popular E60, E87, and E90 series models with 118D, 325D, and 525D engines. Its use in the appropriate engine unit allows for maintaining the factory parameters of the common rail injection system, which translates to smooth acceleration, correct throttle response, and reduced exhaust smoke.

By adhering to manufacturer specifications, the injector works with the factory control electronics, fuel supply system, and engine ancillaries, minimizing the risk of adaptation issues or the need for installation modifications.

Construction and Operating Characteristics

The injector belongs to the category of Injector Nozzles, meaning it is responsible for precise fuel delivery directly into the combustion chamber. The appropriately shaped spray tip and matched opening pressure enable proper diesel atomization, which is crucial for efficient combustion and reduced engine wear.

Stable injector operation directly impacts:

• maintaining smooth idle speed without jerking or misfires,
• correct fuel doses across the full load range,
• reducing engine noise characteristic of diesel units,
• limiting excessive smoke during acceleration and under load.

Item Condition and Service Application

The offered injector comes from the group of used BMW parts, allowing for economical repair of the injection system while maintaining original manufacturer specifications. This is a particularly beneficial solution for intensively used vehicles, where replacing the entire set of injectors with new parts would incur very high costs.

In workshop practice, such an item is used both for replacing a single damaged injector and for gradual regeneration of the fuel system. Selecting the correct part number and interchangeable numbers allows for matching the injector to the specific engine version and vehicle year.

Benefits of Using an Original BMW Injector

Choosing an original injector from the BMW Injector Nozzles category provides a range of practical benefits:

• factory fitment to the cylinder head port and fuel system,
• correct cooperation with the ECU without the need for installation modifications,
• maintaining stable combustion parameters and reduced risk of piston or valve damage,
• possibility of professional diagnostics using standard BMW service testers.

When replacing an injector, it is recommended to perform adaptation and coding according to the service procedure, as well as to check other fuel system components to avoid re-damaging the newly installed part.

Diagnostics and Technical Knowledge

If your BMW exhibits symptoms such as uneven cold running, power loss, increased fuel consumption, or smoke, it is worth checking the condition of the injectors before deciding on replacement. A detailed discussion of typical symptoms and diagnostic methods can be found in the article: Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails, which will help you plan repairs better and avoid unnecessary costs.

BMW Injection System Expansion

If you are looking for other parts from the BMW injector nozzles category for your car, check out the BMW injector nozzles available in our store to select a complete service solution tailored to your specific model and engine version.