BMW X1 E84 20dX N47N 184HP Set Fuel Injector Pump Injection System 7810702

BMW X1 E84 20Dx N47N 184HP Fuel System Injectors Pump Set is a complete, used set of components from the injector nozzles category, designed for BMW diesel engines. This solution allows for a cohesive replacement of key fuel supply system components, maintaining the original performance characteristics of the engine unit.

Specifications and technical data

• SKU: 7810702-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810702
• Substitutable numbers: 7810702, 13537810702, 0445010515, 0 445 010 515
• Fuel type: Diesel
• Category: Fuel Injectors

Set Purpose and Characteristics

The presented fuel system set has been prepared for the BMW X1 E84 model with a 20Dx N47N engine producing 184 HP, powered by Diesel fuel. The kit includes components responsible for precise fuel metering and its delivery at the correct pressure to the combustion chamber, which is crucial for stable engine operation, idle smoothness, and acceleration dynamics.

Combining injectors and a pump in one set simplifies servicing, reduces the risk of part incompatibility, and allows for a unified approach to the regeneration or repair of the fuel supply system in BMW diesel engines.

Fuel System Component Construction and Function

Injectors from the injector nozzles category are responsible for atomizing diesel fuel in the combustion chamber at a precisely defined moment and under the correct pressure. Together with the high-pressure pump, they form a system that:

• Stabilizes fuel delivery across the entire engine speed range, resulting in predictable throttle response.
• Supports smooth engine operation under load, reducing vibrations and uneven idling.
• Enables efficient mixture combustion, contributing to the maintenance of correct exhaust emission parameters with functional engine ancillaries.

A set configured in this way is particularly useful for comprehensive injection system repairs when multiple components need to be replaced simultaneously.

Application in BMW Diesel Engines

BMW N47N family diesel engines are sensitive to fuel supply quality, so appropriately selected injectors and pump directly impact:

• Ease of cold starting and reduced cranking time.
• Proper running smoothness without excessive knocking typical of worn injection components.
• Performance and flexibility in the mid and high-RPM range, important for overtaking and highway driving.

Selecting a set dedicated to a specific engine version reduces the risk of fitting issues and simplifies diagnostics for further service work.

Condition, Origin, and Installation Aspects

The offered BMW fuel system set is a used item, allowing for economical repair while maintaining original manufacturer specifications. In practice, this means the possibility of restoring correct injection system operation without the need to invest in new components, while preserving the original design and geometry of the parts.

Before installation, the standard workshop procedure is recommended: verification of fuel system tightness, inspection of hose condition, and appropriate adaptation of the system in the engine control unit, if required by the specific BMW model. Correctly performed installation minimizes the risk of recurring faults and allows for full utilization of the set's potential.

Injection System Diagnostics and Prevention

Symptoms such as starting difficulties, power loss, smoking, or uneven idling often indicate problems with injectors or the high-pressure pump. To better understand the symptoms and potential consequences of neglect, it is worth reading the guide: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. The knowledge from this article makes it easier to decide on replacing the fuel system with a functional set.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles compatible with different models of this brand, check out our dedicated category: BMW injector nozzles. This will allow you to easily compare available configurations and select components for your car's specific engine version.