BMW X3 F25 X4 F26 20dX B47 Diesel Fuel Pump Injector Injection System Set

BMW X3 F25 X4 F26 20dX B47 Injection System Kit is a complete, used set of components from the injector nozzles category, designed for the diesel engine in BMW X3 F25 and BMW X4 F26 models with the 20dX B47 unit. This solution is for users seeking factory fitment and consistency of the entire injection system in a diesel engine.

Specifications and technical data

• SKU: 8514148-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514148
• Substitutable numbers: 8514154, 13538514154, 0445214315, 0 445 214 315, 8511626, 0445010768, 0 445 010 768, 0281002949, 0 281 002 949, 8514148, 13538514148, 0445110743, 0 445 110 743, 8514102, 13538514102, 8514099, 13538514099
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Compatibility

The presented injection system kit for BMW X3 F25 and X4 F26 20dX B47 has been designed for diesel engines. It is based on OEM solutions used in these models from the factory, which helps maintain proper engine operating parameters and reduces the risk of fitment issues.

The injection system in the B47 engine is responsible for precise fuel delivery, stable idle operation, and correct power and torque characteristics. Choosing a complete kit from a single model application facilitates component consistency and improves the predictability of the engine's behavior after repair.

Technical Characteristics of the Diesel Injection System

A diesel engine requires particularly precise fuel dose control, which is why the injection system kit for diesel engines in BMW X3 F25 / X4 F26 20dX B47 is crucial for:

• maintaining stable injection pressure across the full engine load range,
• precise diesel fuel atomization in the combustion chamber, which affects running smoothness and dynamics,
• reducing smoke and excessive exhaust emissions during acceleration and under load,
• proper cold starting, which is particularly important in diesel engines.

Selecting components from a single B47 engine configuration allows for compatibility with factory control unit maps and operating parameters, which is important for both daily use and subsequent diagnostics.

Practical Application and Benefits of Installation

Installing a complete BMW injection system kit for the B47 engine is particularly beneficial in situations where the existing system shows signs of wear or damage, such as uneven running, power loss, or increased fuel consumption. Using a kit from a single model application helps to:

• minimize the risk of incompatibility between individual injection system components,
• maintain predictable engine behavior after repair or upgrade,
• facilitate subsequent computer diagnostics by maintaining component consistency with the control unit software,
• reduce installation time, as the components are designed for the specific BMW X3 F25 / X4 F26 20dX B47 configuration.

A used injection system kit can also be an attractive cost option compared to purchasing new components, while maintaining the original manufacturer's specifications.

Injection System Diagnostics and Prevention

When suspecting diesel engine injection problems, it is worth familiarizing yourself with typical symptoms and verification methods. The article Diesel Injector Faults – How to Recognize Them and What Their Neglect Entails describes this in detail, discussing symptoms, consequences, and basic diagnostic procedures. This knowledge helps assess when replacing the entire injection system kit is technically justified.

Choosing a Used Injection System Kit

When deciding on a used BMW injection system kit, many users compare it with the option of regenerating individual components. In economic and technical terms, it is worth considering the arguments presented in the material Reconditioned or Used Original – Which Part to Choose for Repair?, which discusses the choice between reconditioning and installing original components from a dismantled vehicle.

Other BMW Injector Nozzles

If you are also looking for other configurations from the BMW injector nozzles category for other models of this brand, check the available BMW injector nozzles to select components suitable for your specific engine version and vehicle year.