BMW X1 E84 18d 18dX Diesel N47 143HP Set Fuel Pump Injector Injection System

The BMW X1 E84 18d 18dX Diesel N47 143HP Injector Set System is a complete system from the injector nozzles category, designed for the N47 diesel engine with 143 HP. The set forms a cohesive part of the fuel supply system, ensuring precise fuel delivery and stable operation of the BMW X1 E84 18d and 18dX power unit.

Specifications and technical data

• SKU: 8577647-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8577647
• Substitutable numbers: 13518577647 13518510865 0445010524, 13537798446 0445110289 13537809127, 0445214182 13518510866 13514740611, 8577647 8510865, 0 445 010 524, 7798446, 0 445 110 289, 7809127, 0 445 214 182, 8510866 4740611
• Fuel type: Diesel
• Category: Fuel Injectors

Intended Use and Characteristics of the Injection System

The presented injector set system for BMW X1 E84 18d/18dX is designed to work with the N47 Diesel engine. It is responsible for precisely delivering fuel under high pressure directly into the combustion chambers, which translates to smooth engine operation, proper running characteristics, and optimal performance within the 143 HP range.

As an original BMW part, the set maintains the factory operating parameters of the fuel supply system, which facilitates compliance with engine control unit maps and reduces the risk of adaptation or calibration issues.

Construction and Function of Injector Nozzles

The set includes injector nozzles responsible for atomizing diesel fuel in the combustion chamber. Their design allows for:

• Precise fuel spray formation in the correct direction and at the proper angle,
• Stable fuel delivery across the full engine load range,
• Maintaining the correct mixture composition during idling and dynamic acceleration.

Appropriately selected injector nozzles are crucial for maintaining low fuel consumption, reducing smoke emissions, and protecting components such as the diesel particulate filter or turbocharger.

Benefits of Using an Original Injection System

Using a complete injection system dedicated to the BMW X1 E84 18d and 18dX offers a range of practical benefits:

• Compatibility with the N47 engine – maintaining factory operating parameters without the need for installation modifications.
• System component cohesion – all components are designed to work together within a single system, improving reliability.
• Stable cold and hot operation – correct fuel pressure and spray pattern reduce starting problems and uneven running.
• Improved engine running characteristics – reduction of vibrations, knocking, and abnormal noises typical of worn injectors.

Condition, Origin, and Service Application

The injection system is a used part, originating from an original BMW installation. This type of component is particularly attractive for service applications where maintaining factory specifications while optimizing repair costs is important. Replacing the complete injector set is recommended in situations where the existing system shows signs of wear, such as a loss of power, increased smoke, or uneven idling.

If you want to better understand the symptoms of wear and the risks associated with neglecting the fuel supply system, it is worth reading the article diesel injector faults – symptoms, consequences, and diagnostics, which discusses the operation of injectors in diesel engines in detail.

Fitment, Reference Numbers, and Selection Support

The offered set has a dedicated OEM part number and associated replacement numbers, which facilitates unambiguous identification and fitment for specific BMW X1 E84 18d or 18dX configurations. Before purchasing, it is advisable to compare the markings with your vehicle's data and technical specifications to ensure full compatibility with your specific model.

If you are looking for other BMW injector nozzles for different models of this brand, check out our category BMW injector nozzles, where you will find a wide selection of fuel system components for various diesel engines.

If you have doubts about whether to choose a new or used OEM part, the guide new or used? A comparison of car parts costs and quality may be helpful, offering practical comparisons and tips on the cost-effectiveness of different solutions.