BMW 1 3 5 7 Z4 Series E60 E65 E81 E85 E87 E90 Injection Tube Fuel Rail 7542541

BMW E60 E81 E87 E90 E91 Gasoline Fuel Rail is an original fuel system component designed for BMW E-series gasoline engines. It ensures stable fuel distribution to the injectors, which translates to smooth engine operation and proper response to load.

Specifications and technical data

• SKU: 7542541
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7542541
• Substitutable numbers: 13537542541, 7542541
• Category: Fuel Injectors

Purpose and Function of the BMW Fuel Rail

The BMW Gasoline Fuel Rail acts as a central fuel distributor for the injectors in a gasoline engine. It maintains the correct system pressure, ensuring that the fuel dose delivered to each cylinder is repeatable and consistent with the engine control unit's map. A properly selected fuel rail supports:

• stable idle operation without misfires,
• smooth acceleration across the entire RPM range,
• maintaining the correct air-fuel mixture and efficient catalyst operation.

Compatibility with BMW E-Series Models

The presented fuel rail is designed for popular BMW E-generation models such as E60, E81, E87, E90, and E91 with gasoline engines. This means it can be used in a wide range of body styles (sedan, wagon, hatchback) while maintaining factory geometry and mounting points. Thanks to this:

• it fits original brackets in the engine bay,
• it works with factory injector nozzles intended for these engines,
• it allows for installation without modifications to the fuel or electrical system.

Category: Injector Nozzles and Fuel System

This component belongs to the Injector Nozzles category, which are key components responsible for precise fuel metering. The fuel rail works directly with the injectors, so its condition affects:

• even fueling of all cylinders,
• limiting fuel pressure drops under dynamic load,
• stability of the injection system over a long service life.

When upgrading or repairing the fuel system, it is advisable to consider the fuel rail as an integral part of the injector set, which facilitates later diagnostics and servicing.

Characteristics of an Original BMW Part

The offered fuel rail comes from the BMW line, which means it retains factory flow parameters, port layout, and mounting points. Using an original component allows for:

• maintaining compliance with the original fuel system design,
• minimizing the risk of leaks at hose connections,
• ensuring proper cooperation with the stock engine control unit and sensors.

This solution is particularly recommended for repairs where parameter repeatability and the absence of the need for aftermarket part adaptation are crucial.

Used Condition and Installation Aspects

The fuel rail is offered in used condition, allowing for an economical repair of the fuel system while maintaining original manufacturer specifications. Before installation, it is recommended to:

• check the system for leaks after installation in the vehicle,
• verify the condition of injector seats and fuel lines,
• monitor engine operating parameters (fuel trims, exhaust gas composition) after the initial start-ups.

A properly installed fuel rail supports trouble-free operation and facilitates later diagnostics of potential injection faults.

Technical Support and Knowledge of Injection Systems

Although the presented component is for a gasoline engine, many diagnostic principles and symptoms of injection malfunctions are similar to those in diesel units. If you want to better understand the signs of wear in injection components, the article: Diesel Injector Failures – Symptoms, Consequences, and Diagnostics, which discusses common fuel delivery problems and their consequences, may be useful.

When deciding on a fuel system repair, it is also worth considering the choice between new and used components. The material: New or Used? A Comparison of Car Part Costs and Quality, where you will find practical comparisons and tips for selecting parts, may be helpful.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles compatible with your model, check out our dedicated offer: BMW Injector Nozzles. This will allow you to easily assemble the entire injection system using parts from a single brand, simplifying selection and subsequent servicing.