BMW G20 G30 Mini Cooper F55 F56 Petrol High Pressure Rail Fuel Injection 8665633

The BMW G20 G30 Mini F55 F56 Fuel Rail is an original gasoline fuel system component designed for modern BMW and MINI powertrains. Engineered as an OEM part, the fuel rail ensures stable injector supply, which translates to smooth engine operation and predictable performance.

Specifications and technical data

• SKU: 8665633
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8665633
• Substitutable numbers: 8665633, 13538665633
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The BMW fuel rail operates within the gasoline system, responsible for distributing fuel to individual injectors. Maintaining proper pressure and uniform cylinder supply is crucial for:

• stable engine operation across the entire RPM range,
• correct mixture composition and efficient ignition system performance,
• maintaining factory fuel consumption parameters and the powertrain's smooth running characteristics.

The original design of the fuel rail is tailored to the engine architecture used in BMW 3 Series (G20), 5 Series (G30), and MINI F55/F56 models, facilitating installation and minimizing the risk of leaks.

Benefits of Using an Original Fuel Rail

Choosing a BMW fuel rail from the injector nozzles category helps maintain the integrity of the entire fuel system. Key advantages include:

• Factory Geometric Fitment – correct positioning of ports and mounting points relative to the cylinder head and injectors.
• Compatibility with Engine Ancillaries – seamless integration with original gasoline injectors and associated components.
• Predictable Performance Parameters – maintaining fuel flow characteristics as per manufacturer specifications.
• Fuel Pressure Stability – minimizing pressure fluctuations, which promotes uniform fuel delivery and proper engine control unit (ECU) operation.

Consequently, the fuel rail serves as a solid foundation for further diagnostics and servicing of the injection system, especially in vehicles operated under diverse conditions.

Component Condition and Service Application

The offered BMW fuel rail is a used part, removed from a vehicle, and intended for reinstallation in gasoline-powered cars. This type of part is particularly useful in situations where:

• mechanical damage has occurred to the existing fuel rail (e.g., cracks, deformation),
• leaks are present in the fuel distribution to the injectors,
• replacement of the entire fuel line is necessary as part of cylinder head repair or ancillary upgrades.

A used OEM part allows for maintaining fuel system consistency at a reasonable service cost, while preserving the characteristics intended by the vehicle manufacturer.

Selection and Compatibility of Gasoline Injection

When selecting a fuel rail for BMW and MINI vehicles, matching it to the specific body generation and engine type is paramount. In practice, this means verifying compatibility with:

• vehicle model (e.g., G20 series, G30 series, MINI F55, F56),
• type of gasoline engine installed in the specific vehicle,
• injection system and the injectors used.

A correctly selected fuel rail facilitates plug-and-play installation, eliminating the need for modifications to the fuel lines or mounting points, which shortens repair time and reduces the risk of subsequent leaks.

Related Components and Service Knowledge

When working on the fuel system, it's advisable to pay attention not only to the fuel rail but also to the condition of the injectors themselves, fuel lines, and seals. For a more comprehensive understanding of fuel injection and fault diagnostics, you can refer to our guide: diesel injector faults – symptoms, consequences, and diagnostics. Although it pertains to diesel engines, many principles regarding the analysis of injector and fuel system operation remain similar.

Other BMW Injector Nozzles

If you are looking for other BMW injector nozzles for your vehicle, explore our dedicated offer in our catalog: BMW injector nozzles. This will help you easily select compatible fuel system components for your specific model and engine variant.