Mini F66 BMW F40 G20 G21 G22 G30 G31 High Pressure Injection Line B48P 5B74496

Mini F66 BMW F40 G20 G21 G22 G30 G31 High Pressure Injection Line B48P is a precision fuel system component designed for use in modern BMW/Mini power units. The offered line belongs to the Other injection system parts category and provides a functional service solution for users seeking a proven component with factory geometry and fitment. The used nature of the part allows for cost-effective repairs while maintaining the correct operating parameters of the injection system.

Specifications and technical data

• SKU: 5B74496
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 5B74496
• Substitutable numbers: 5B74496, 13535B74496
• Part type: Fuel Rail (Ramp)
• Category: Additional Fuel Injection Parts

Purpose and function of the high pressure injection line

The high pressure injection line in the B48P engine is responsible for the controlled transport of fuel under high pressure between the components of the injection system. The proper design of this component has a direct impact on fuel dosage stability, engine refinement, and the correct operation of the engine management system. Using a line with the appropriate shape and internal diameter limits the risk of pressure drops, leaks, and improper fuel atomization.

Compatibility with Mini and BMW models

The offered element has been designed for use in Mini vehicles and selected BMW F-series models, including the F40, G20, G21, G22, G30, and G31 body styles. As a result, the line can be used both for standard service replacements and for repairs resulting from mechanical damage or interference with the fuel supply system. Maintaining factory connection geometry facilitates installation and ensures proper routing of the line in the engine bay.

Characteristics of the used component

As a used item, the injection line is a sensible choice for users who want to reduce repair costs while maintaining compliance with factory solutions. This type of part is particularly useful in situations where a quick replacement of a damaged line is necessary, and the priority is fitment to the existing system and maintaining correct engine operating parameters.

Benefits of using the Mini/BMW injection line

Using an injection line dedicated to the B48P unit allows you to:

• maintain correct fuel pressure in the rail and at the injectors,
• minimize the risk of leaks at critical points in the system,
• maintain compliance with factory line routing in the engine bay,
• reduce repair costs by using a proven used part.

For workshops and individual users, this means the ability to perform repairs in a technically correct manner, without the need to use aftermarket replacements with uncertain fitment. The factory design of the line promotes stable operation of the injection system in the long term.

Other Mini injection system components

If you are planning a comprehensive repair or upgrade of your Mini's engine area and need other elements from the same group, such as additional lines, connectors, or fuel supply components, check out the available parts in the Other Mini injection system parts category.

Economic operation and part selection

When planning fuel system repairs, it is worth considering not only the purchase cost but also the durability and fitment of the components. Used original parts often provide better assembly compatibility than random aftermarket replacements, which translates into fewer potential problems after the repair. In the context of optimizing service costs, general principles of part selection and repair planning can also be helpful – described in more detail in the article Economic operation of a Ford – where to look for the greatest savings in mechanical and body repairs, the tips of which can also be applied to other brands.