BMW E46 E60 E61 E65 X3 E83 M54 Fuel Injector Line Injectorts 1437442

BMW E46 E60 E61 E65 E83 M54 Fuel Rail 7541452 is an original fuel rail from the injector nozzles category, designed for BMW gasoline engines from the M54 family in popular 3 Series, 5 Series, 7 Series, and X3 models. This component ensures stable fuel supply to the injectors and proper operation of the fuel system, which translates to smooth engine operation.

Specifications and technical data

• SKU: 7541452-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7541452
• Substitutable numbers: 13537541452, 7541452, 13531437442, 1437442, 7541453, 13537546244, 7546244, 13641427240, 1427240
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The fuel rail in an M54 engine is responsible for even distribution of fuel to individual injectors and maintaining the correct working pressure throughout the system. A properly selected fuel rail is crucial for:

• stable engine operation across the entire RPM range, without misfires,
• correct fuel metering by the injectors,
• maintaining factory performance parameters and fuel consumption,
• proper interaction with the control electronics of the injection system.

Using an original fuel rail dedicated to M54 units minimizes the risk of leaks, starting problems, and unstable idle speeds.

Original Origin and Replacement Numbers

The fuel rail comes from the BMW OE line, meaning it complies with the manufacturer's factory standards in terms of materials, dimensions, and manufacturing tolerances. The component has an OEM part number and assigned interchangeable numbers, allowing for precise matching to a specific engine version and vehicle year.

The presence of multiple reference numbers facilitates the selection of the fuel rail based on BMW catalogs and professional diagnostic tools, and also allows for seamless verification of compatibility with a given fuel system configuration.

Condition, Installation, and Technical Aspects

The offered fuel rail is a used part, sourced from disassembly, which is a cost-effective solution for users looking for original parts at a reasonable price. This type of component, when correctly selected, allows for maintaining:

• factory mounting points to the cylinder head and engine accessories,
• compatibility with stock injectors used in M54 units,
• correct fuel system geometry in the engine bay.

The fuel rail is designed for installation in place of the original component, without the need for structural modifications. When replacing, it is recommended to check the condition of the injectors, fuel lines, and seals to ensure full system tightness and operational safety.

Diagnostics and Prevention of the Injection System

Problems with the fuel rail or injectors can manifest as uneven engine operation, power loss, increased fuel consumption, or error codes stored in the control unit. It is important to be aware of typical failure symptoms and react to them in a timely manner. Detailed information on the symptoms and consequences of neglecting injection system components can be found in the article: Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails. Although it concerns diesel units, the diagnostic and preventive principles described there are also helpful when analyzing the operation of the injection system in gasoline engines.

BMW Injector Nozzles – Part Selection and System Expansion

If you are assembling a fuel supply system or planning a comprehensive injection service, you may also need other components from the same group. In such cases, it is worth checking the available BMW injector nozzles in our assortment: BMW injector nozzles. This will allow you to build a cohesive, compatible set based on original parts.

Why Choose an Original BMW OE Fuel Rail

Choosing the BMW E46 E60 E61 E65 E83 M54 Fuel Rail 7541452 is a solution for users who expect:

• compliance with the factory specification of the M54 engine,
• reliable integration with the injection system without experimenting with aftermarket parts,
• maintenance of stable engine operating parameters after repair or modernization,
• optimal cost-to-quality ratio thanks to the use of a used OEM part.

For those who want to learn more about selecting used components, our guide to the secondary market may be helpful: Best Used Car Parts – A Guide to Original Parts. It will help you plan your service better and make informed choices about injection system components for your BMW.