BMW 1 3 Series F20 F21 F30 F31 LCI B47 Fuel Pressure Rail Accumulator 8514154

The BMW F20 F21 F30 F31 LCI B47 Fuel Rail Injector is an original component of the BMW diesel fuel system, designed for facelifted (LCI) F-series 1 and 3 models with the B47 engine. This product, from the Injector Nozzles category, ensures proper operation of the common rail system, stable fuel pressure, and correct compatibility with the factory engine electronics.

Specifications and technical data

• SKU: 8514154
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514154
• Substitutable numbers: 13538514154, 8514154, EM
• Category: Fuel Injectors

Intended Use and Compatibility with B47 Engine

The fuel rail with injector has been designed to work with the modern B47 diesel engine used in facelifted F20, F21, F30, and F31 BMW models. The component's design is adapted to the characteristics of the B47 unit, allowing for:

• precise fuel delivery across the full engine load range,
• stable common rail pressure under varying driving conditions,
• correct interaction with the factory engine control unit and injection system sensors.

By maintaining the original geometry and mounting points, the component allows for installation in place of the factory rail without the need for modifications to the fuel or electrical system.

Technical Characteristics of the Fuel Rail

In this system, the fuel rail plays a crucial role in distributing fuel to individual cylinders. The applied design ensures:

• uniform supply to all injectors at high operating pressure,
• adequate body rigidity, limiting pressure pulsations in the system,
• maintenance of factory parameters regarding injection timing and fuel quantity.

Original manufacturing allows for the preservation of factory injection maps, which is particularly important for modern units meeting stringent emission standards.

Condition, Origin, and Benefits of Using BMW Parts

The offered fuel rail with injector is an original BMW part from the Injector Nozzles category. A used OEM part is a good choice for users who expect:

• factory fitment to the fuel system without compatibility issues,
• maintenance of stock engine operating parameters without the need for software modifications,
• controlled repair costs while using an original component.

Choosing an original fuel rail instead of an aftermarket alternative reduces the risk of starting problems, uneven engine operation, or error codes stored in the engine control unit.

Why is a Functional Injection System in BMW B47 So Important?

The B47 engine is sensitive to fuel supply quality, and the fuel rail with injector directly impacts the smoothness of operation, dynamics, and fuel consumption. Improper functioning of components from the Injector Nozzles category can lead to:

• loss of power and flexibility across the entire RPM range,
• increased smoke and elevated exhaust emissions,
• accelerated wear of other components, such as the turbocharger or particulate filter.

If you want to better understand the symptoms of wear in diesel injection system components, it is worth reading the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. This provides practical knowledge for planning repairs or diagnostics.

Selection and Other BMW Injector Nozzles

When replacing the fuel rail with injector in BMW F20, F21, F30, or F31 LCI models with the B47 engine, it is crucial to match the component to the specific engine version and year of manufacture. Manufacturer markings and interchangeable numbers are helpful in verifying part compatibility with a particular vehicle.

If you are looking for other BMW injector nozzles for other models of this brand, check the available products in the category: BMW injector nozzles. This will allow you to easily compare different solutions from the same manufacturer and select the appropriate part for your engine.

Summary

The BMW F20 F21 F30 F31 LCI B47 Fuel Rail Injector is an original common rail component designed for modern BMW diesel engines. It ensures stable fuel supply, correct interaction with engine electronics, and maintenance of factory operating parameters. It is a sensible choice for repairing or upgrading the injection system in BMW F-series vehicles with the B47 engine.