BMW F20 F30 LCI Mini F55 F56 Fuel Rail High Pressure Petrol 7639975 7639990

BMW F20 F30 LCI MINI F55 F56 Fuel Rail from the Injector Nozzles category is an original gasoline fuel system component designed for BMW F-series and MINI F-series models. The product ensures stable fuel supply to the injectors, which translates to proper engine operation and predictable performance.

Specifications and technical data

• SKU: 7639975-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7639975
• Substitutable numbers: 13538694197, 8694197, 13537639975, 7639975, 13538625396, 8625396, 13537639990, 7639990
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The fuel rail in a gasoline engine is responsible for evenly distributing fuel to individual injectors. For BMW F20, F30 LCI, and MINI F55 and F56 models, a correctly selected fuel rail is crucial for:

• maintaining stable fuel pressure throughout the fuel system,
• precise gasoline dosing by the injectors,
• proper engine operation across the full range of loads and speeds,
• reducing the risk of uneven engine running, jerking, or power loss.

Selecting a fuel rail dedicated to a specific BMW and MINI generation allows for maintaining the factory parameters of the injection system and facilitates diagnostics in case of potential faults.

Technical Characteristics and Compatibility

The presented fuel rail is compatible with engines powered by gasoline, in accordance with the manufacturer's factory specifications. The design is intended for installation in powertrains used in BMW F-series and MINI F-series, ensuring:

• compatibility with the factory fuel system and engine accessories,
• correct injector positioning relative to the intake ports,
• easier installation without the need for fuel system modifications.

By using an original fuel rail from the Injector Nozzles category, consistency with the factory engine control unit parameters and injection maps is maintained.

Condition of the Part and Benefits of Using a Used Part

The offered fuel rail is a used part, allowing for an economical repair of the fuel system while maintaining original manufacturing quality. Compared to low-cost aftermarket alternatives, using a genuine OEM part from disassembly promotes:

• better fit with engine accessories and existing mountings,
• preservation of the factory fuel system geometry,
• reduced risk of compatibility issues during installation.

This solution is particularly beneficial for servicing vehicles used intensively, where both repair cost and maintaining correct engine operating parameters are important.

Why Choose an Original BMW/MINI Fuel Rail

Using an original fuel rail in a BMW or MINI gasoline engine contributes to the long-term reliability of the fuel system. A correctly selected part helps to:

• maintain even operation of all cylinders,
• minimize the risk of injector overheating and leaks at connections,
• maintain stable combustion parameters, which contributes to the smooth operation of the powertrain.

This is particularly important in modern gasoline engines, where the precision of fuel delivery directly impacts performance, fuel consumption, and component durability.

Related BMW Injector Nozzles and Technical Knowledge

If you are looking for other parts from the BMW Injector Nozzles category, check out the BMW injector nozzles available in our store to select a complete solution for your fuel system.

When diagnosing fuel injection system problems, it is useful to know the typical symptoms of faults. Although the presented fuel rail is designed for gasoline engines, many diagnostic principles overlap with diesel units – you can read about the symptoms and consequences of neglect in the article diesel injector faults – how to recognize them and what are the consequences of neglecting them, which helps to better understand the operation of the entire injection system.