BMW E84 20d 20dX Diesel N47 177HP Set Fuel Pump Injector Injection System

BMW E84 20d 20dX Diesel N47 177HP Injection System Kit 8577647 is a complete set of diesel fuel system components designed for the N47 engine with 177 HP in the BMW E84 20d and 20dX models. This product, from the Injector Nozzles category, ensures precise fuel delivery, stable engine operation, and proper combustion parameters in a diesel engine.

Specifications and technical data

• SKU: 8577647-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8577647
• Substitutable numbers: 8577647, 13518577647, 8510866, 13518510866, 4740611, 13514740611, 8510865, 13518510865, 0445010524, 7809128, 13537809128, 7800666, 13537800666, 7800669, 13537800669, 7800667, 13537800667, 7805428, 13537805428
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and Characteristics of the Injection System

The presented injection system kit is dedicated to the N47 diesel engine used in the BMW E84 20d and 20dX versions with 177 HP. It is responsible for accurate Diesel fuel dosing into the combustion chambers, which translates to smoother engine operation, acceleration dynamics, and reduced exhaust smoke.

As a component within the BMW Injector Nozzles group, the kit works with the factory control electronics, maintaining the parameters specified by the vehicle manufacturer. Appropriately selected injection system components allow for maintaining stable fuel pressure and uniform operation of all cylinders.

Benefits of Using the Injection System Kit

A properly selected injection system in the N47 diesel engine is crucial for the durability of the powertrain and driving comfort. The use of this kit can bring the following benefits:

• Improved Engine Smoothness – uniform fuel delivery reduces vibrations and uneven idling.
• Stable Performance – correct injection supports maintaining the nominal power of 177 HP and appropriate flexibility across the entire RPM range.
• Better Throttle Response – precise fuel dose control leads to a faster engine response to driver inputs.
• Reduced Excessive Smoke – proper diesel atomization promotes cleaner combustion.
• Optimized Fuel Consumption – an efficient injection system helps maintain factory fuel consumption values in daily use.

Condition, Origin, and Technical Compatibility

The injection system kit comes from the BMW OE line, meaning it adheres to factory manufacturing standards and fits the N47 unit. The product is offered as a used original part, making it an attractive cost-effective alternative to new components while maintaining compatibility with the engine's factory equipment.

The presence of a dedicated part number and available replacement numbers in the technical specifications facilitates verification of compatibility with your specific vehicle configuration. Before purchasing, it is advisable to compare the markings with your vehicle's data to ensure correct fitment of the injection system for your specific BMW E84 model.

Operation, Diagnostics, and Technical Support

The injection system in a diesel engine is particularly sensitive to fuel quality and regular servicing. Symptoms such as starting difficulties, power loss, uneven running, or increased smoke may indicate wear of the injector components. To better understand the symptoms and consequences of neglect, it is worth reading the article: Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails. This will allow you to consciously assess the condition of your current system and make an informed decision about replacement.

During installation, it is recommended to use the services of a specialized workshop equipped with appropriate diagnostic equipment for BMW diesel engines. Proper adaptation and bleeding of the fuel system are crucial for trouble-free engine startup after replacing the kit.

Expanding the Offer in the BMW Injector Nozzles Category

If you are looking for other solutions in the BMW Injector Nozzles category, for example, for other models or engine variants of this brand, check out the BMW injector nozzles available in our store. This will allow you to select components precisely matched to your car's specific engine and year of manufacture.