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

BMW E60 E87 E90 118d 325d 525d Injector is an original part of the diesel fuel system, designed for BMW diesel engines. The precisely selected injector nozzle ensures proper fuel metering, which translates into stable engine operation and correct diesel running characteristics.

Specifications and technical data

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

Purpose and Compatibility

The presented injector for BMW has been designed as a component of the injection system in popular E60, E87, and E90 series models with 118d, 325d, and 525d engines. Using the factory injector nozzle allows for maintaining the operating parameters specified by the manufacturer, which is important for both performance and engine durability.

Thanks to the use of an original solution from the Injector Nozzles category, it is possible to maintain the correct fuel pressure and spray pattern in the combustion chamber, which reduces the risk of smoking, power loss, or uneven idling.

Construction and Role in the Injection System

The injector nozzle is responsible for the precise dosing of diesel fuel into the cylinder, at strictly defined moments of the engine's operating cycle. In practice, this translates to:

• stable injection pressure across the entire engine load range,
• correct fuel atomization and even mixture combustion,
• reduction of vibrations and noise characteristic of diesel engines,
• maintenance of factory power and torque parameters.

A properly selected injector nozzle is crucial for protecting pistons, valves, and the turbocharger, as it minimizes unburnt fuel and excessive carbon deposit formation.

Condition, Origin, and Benefits of Use

The offered part comes from the BMW line and is classified as used, allowing for a reasonable purchase cost while maintaining the original manufacturer's specifications. Compared to low-quality aftermarket parts, a factory injector nozzle provides better compatibility with a specific engine type and predictable long-term performance.

Using an original injector in place of a worn or damaged part allows for:

• stabilizing engine idle operation,
• reducing excessive fuel consumption,
• limiting the risk of further damage to the injection system and combustion chamber,
• restoring proper vehicle dynamics in the low and medium RPM range.

Diagnostics and Operation of Diesel Injectors

An improperly functioning injector nozzle can cause starting difficulties, smoking, power loss, or characteristic engine knocking. It is useful to know the typical symptoms and verification methods, so before installation or at the first signs of problems with the injection system, it is advisable to familiarize yourself with the educational material: Diesel Injector Faults – How to Recognize Them and What Are the Consequences of Neglecting Them. This will allow for a better assessment of the condition of other system components and planning of potential repair or replacement.

BMW Injector Nozzles – Selection and Alternatives

If you are looking for other solutions in the same group of components, it is also worth considering other BMW injector nozzles, matched to specific engine versions and years. The full offer in this category can be found here: BMW injector nozzles. This will allow you to easily compare available variants and select the part that best meets your vehicle's requirements.

When choosing between new and used parts, the following guide may also be helpful: Car Parts – New or Used? Comparing Costs, Quality, and Durability, which discusses the differences in costs, durability, and cost-effectiveness of various solutions.

Summary

BMW E60 E87 E90 118d 325d 525d Injector is a functional injector nozzle from the OEM group, designed for BMW diesel engines. Using an original part allows for maintaining proper engine operating parameters, reducing the risk of serious failures, and maintaining driving comfort in everyday use.