Fuel Rail BMW F80 M3 F82 M4 F87 LCI M2 S55 Petrol High Pressure 7848363

The BMW F80 M3 F82 M4 S55 Fuel Rail is a component from the Other Fuel System Parts category, designed for the S55 gasoline engine used in the sporty BMW M3 F80 and M4 F82 models. This solution ensures stable fuel supply parameters, which is crucial for the precise operation of the power unit in high-performance vehicles.

Specifications and technical data

• SKU: 7848363
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7848363
• Substitutable numbers: 7848363, 13537848363, KD
• Fuel type: Petrol
• Category: Additional Fuel Injection Parts

Purpose and Compatibility

The fuel rail has been designed to work with the S55 engine in BMW M series models, where stable fuel pressure and even supply to all cylinders are required. The design, adapted for the gasoline system, ensures proper compatibility with the original engine equipment without the need for installation modifications.

The component comes from the BMW offering, which means it retains the factory geometry, mounting points, and compatibility with the original fuel system. This allows the rail to be used in both standard operation and in cars that have undergone software modifications, where consistent supply parameters are particularly important.

Technical Characteristics of the Fuel Rail

The fuel rail functions as a fuel distributor for individual injectors, stabilizing pressure throughout the system. In the S55 gasoline engine, this is particularly important due to the high thermal and mechanical loads typical for sporty engines.

• ensuring even fuel supply to cylinders across the entire RPM range,
• maintaining appropriate fuel system operating parameters during dynamic driving,
• preserving compatibility with the factory engine control unit maps.

Thanks to its design conforming to the original BMW project, the rail works with factory sensors and equipment, which facilitates diagnostics and subsequent service maintenance.

Condition, Origin, and Service Application

The offered fuel rail is a used component, allowing for economical repair of the fuel system while maintaining the original manufacturer's specifications. This is a practical solution for situations where replacing a damaged rail is necessary, and maintaining the factory fuel system configuration is a priority.

Using original components from the Other Fuel System Parts category helps reduce the risk of fitting problems, leaks, or ECU errors resulting from incorrect operating parameters. For high-performance engines like the S55, this has a direct impact on the durability of the power unit and the stability of its performance.

Benefits of Using an Original Fuel Rail

Choosing a fuel rail dedicated to the BMW F80 M3 and F82 M4 offers a range of practical service and operational benefits:

• factory fit for the S55 engine's fuel system,
• maintaining correct fuel distribution between cylinders,
• reducing the risk of power drops and uneven engine operation,
• easier diagnostics based on standard BMW service procedures.

For users who intensively operate their M3 or M4, maintaining the fuel system in proper condition is crucial for preserving predictable engine characteristics and ensuring safety under heavy loads.

Technical Support and Additional Materials

When planning comprehensive work on the drivetrain, it's also worth considering the condition of other powertrain components. An article describing diagnostics and selection of drivetrain parts may be helpful: Clutch and Dual-Mass Flywheel – Diagnostics and Part Selection for the Drivetrain, which discusses practical aspects of servicing and selecting parts, including used ones.

If you are looking for other parts from the Other BMW Fuel System Parts category, check our offer using the link: Other BMW Fuel System Parts. This will help you easily select compatible components for your car, maintaining the consistency of the entire fuel supply system.