Fuel Injector Tube BMW F20 F21 F30 F31 N13 Injection Rail Pipe Line7592426

The BMW F20 F21 F30 F31 N13 Fuel Rail Sensor is an original gasoline fuel system component designed for the N13 engine in popular 1 and 3 Series models. It ensures stable fuel supply and precise pressure measurement, contributing to proper engine operation and predictable performance.

Specifications and technical data

• SKU: 7592426
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7592426
• Substitutable numbers: 13537592426, 7592426
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Function in the Injection System

The fuel rail with a pressure sensor in the N13 engine is responsible for uniform distribution of gasoline to the injectors and continuous monitoring of fuel pressure in the rail. A properly functioning component of this type is crucial for:

• stable operation of the gasoline engine across the full range of loads,
• precise fuel metering by the engine control unit,
• maintaining proper running smoothness at idle and during acceleration,
• reducing fuel consumption and exhaust emissions.

In N13 units, the use of the correct fuel rail with a dedicated sensor is particularly important due to the requirements of the high-pressure gasoline fuel system.

Benefits of Using an Original BMW Fuel Rail

Using an original fuel rail with a sensor in the N13 engine offers a range of practical operational benefits:

• Factory fit for BMW F20, F21, F30, F31 – ensuring compatibility with the fuel system design and control unit software.
• Correct gasoline operating parameters – the rail is designed for a specific type of fuel, supporting proper operating pressure.
• Stable N13 engine performance – reducing the risk of power loss, jerking, or starting issues resulting from incorrect fuel pressure readings.
• Improved diagnostics – a correctly functioning pressure sensor facilitates the work of diagnostic and service systems.

Therefore, replacing a worn-out component with an original fuel rail helps restore predictable engine behavior and reduce the risk of secondary failures in the fuel system.

Technical Characteristics and Installation

The fuel rail with sensor is designed for the gasoline system, which is important for both compatibility and operational safety. The OEM construction ensures:

• appropriate connection geometry for injectors and fuel lines,
• correct positioning of the pressure sensor relative to the manifold and engine accessories,
• compatibility with factory brackets and mounting points in the engine bay.

During installation, it is recommended to use new seals and adhere to the manufacturer's procedures for bleeding and initial startup of the gasoline system to ensure tightness and stable rail pressure.

Component Condition and Service Application

The offered BMW fuel rail comes from the Injector Nozzles category, meaning it is a component that directly interacts with gasoline injectors. It can be used for routine replacement of worn parts as well as during major service work related to the fuel system, such as:

• resolving fuel pressure issues registered by the engine control unit,
• repairing the injection system after errors related to gasoline metering have occurred,
• restoring proper engine operation after previous unsuccessful repairs or the use of unsuitable aftermarket parts.

By maintaining original specifications, the component fits well within the service requirements for N13 units used in the 1 and 3 Series.

Technical Support and Additional Materials

If you are looking for other BMW injector nozzles compatible with specific models and engine versions, check out our BMW injector nozzles category, where you will find a wide selection of fuel system components for this brand.

In case of fuel injection system problems, it is also worth consulting the guide on our blog. The article Diesel injector malfunctions – how to recognize them and what are the consequences of neglecting them discusses common symptoms and effects of improper injector operation, which helps to better understand the importance of a functioning fuel system, also in gasoline engines.