BMW E81 E87 E90 E91 E92 120d 320d Diesel N47 177HP Set Fuel Injection System

BMW E87 E90 120d 320d Diesel N47 Injection System is a component from the injector nozzles category, designed for BMW diesel engines from the N47 family. This solution is for users who want to restore proper fuel supply system operation in their 120d and 320d models, while maintaining the engine's factory performance parameters.

Specifications and technical data

• SKU: 7797877-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797877
• Substitutable numbers: 13518577643, 8577643, 7797874, 13537797877, 7797877, 13537809128, 7809128, 135378006011353474078713517812051, 13517797876, 7800601474078778120517797876, 13537809190, 7809190, 13537797878, 7797878
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Compatibility with N47 Engine

The presented injection system component has been designed to work with Diesel N47 engines used in BMW 1 Series E87 and 3 Series E90 in the 120d and 320d versions. The use of a dedicated injector nozzle allows for maintaining correct fuel dose parameters, which translates into stable engine operation, proper running smoothness, and adequate dynamics while adhering to the manufacturer's factory specifications.

A properly selected injection component is crucial for maintaining the correct pressure and precise fuel atomization in the combustion chamber, which directly impacts performance, fuel consumption, and exhaust emissions.

Technical Characteristics of the Injector Nozzle

Injector nozzles in BMW diesel engines function as precise valves that meter fuel under high pressure. The presented injection system utilizes solutions typical for modern common rail units, ensuring:

• precise fuel metering in multiple injection phases,
• proper mixture atomization in the combustion chamber,
• stable operation at idle and under load,
• reduction of smoke and noise characteristic of diesel engines.

A correctly selected BMW injector nozzle helps avoid typical problems such as uneven engine operation, power loss, or increased fuel consumption, and also reduces the risk of damage to other fuel system components.

Condition, Origin, and Benefits of Using a Used Component

The offered BMW injection system is a used part from a dismantled vehicle, intended for users seeking a solution with a favorable cost-to-functionality ratio. Choosing a used injector nozzle allows you to:

• maintain the original operating characteristics of the engine,
• reduce repair costs compared to purchasing a new component,
• maintain compatibility with the factory engine control unit.

This is a practical option for drivers who want to restore the functionality of the injection system without compromising on a component that meets the vehicle manufacturer's requirements.

Why is a Functional Diesel Injection System So Important?

In Diesel engines, the condition of the injectors is of paramount importance. Improper nozzle operation can lead to a range of operational problems – from starting difficulties and jerking to the risk of damage to pistons or the particulate filter. To better understand the symptoms and consequences of neglect, it is worth reading the guide: diesel injector faults – how to recognize them and what are the consequences of neglecting them. This will allow you to consciously assess when replacing the injection component becomes necessary.

Other BMW Injector Nozzles

If you are also looking for other configurations or variants in this category, check out the BMW injector nozzles available in our store to select the component best suited to your specific engine version and car year.