Vent Pipe Mini F60 BMW F45 Petrol B38X Fuel Tank Breather Line 7640117

Vent Pipe Mini F60 BMW F45 Petrol B38X Fuel Tank Breather Line is a component from the Lines, hoses and pipes group, designed for operation in the fuel system of petrol engines. It is responsible for the controlled discharge of fuel vapors from the tank, which supports stable engine operation and the proper functioning of the fuel system.

Specifications and technical data

• SKU: 7640117
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7640117
• Substitutable numbers: 7640117, 13907640117
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The offered breather line is dedicated to Mini vehicles equipped with the B38X petrol engine, which is also used in selected BMW F-series models. Its task is to maintain the correct pressure in the fuel tank, which translates into stable engine fueling and reduces the risk of fuel system malfunctions.

A properly selected breather line:

• supports proper fuel vapor circulation in the system,
• limits the possibility of vacuum or overpressure forming in the tank,
• helps maintain predictable vehicle behavior during refueling and while driving.

Construction and fitment for Mini / BMW F-series

The line belongs to the group of flexible fuel system components, designed for specific routing in the Mini F60 and BMW F45 chassis. The shape and connection diameters are adapted to factory fittings, which facilitates installation and allows for maintaining the original installation routing.

Thanks to a design consistent with the manufacturer's specifications, the line works with the petrol engine's fuel system, ensuring proper tightness and resistance to typical operational loads in this area of the vehicle.

Operational characteristics

The component has been designed to work with petrol fuel, which means the use of materials resistant to contact with gasoline vapors and typical thermal conditions in the engine compartment and the fuel tank area. Maintaining the proper condition of the breather line is important for:

• engine stability across various load ranges,
• proper operation of the tank ventilation system,
• reducing unwanted fuel odors around the vehicle.

Replacing a worn or leaking line with a functional component from the same design group allows for restoring the correct fuel system parameters without interfering with other sub-assemblies.

Condition and service application

The offered line comes from dismantling and is intended for service applications as a spare part in Mini vehicles and compatible BMW F-series models with the B38X petrol engine. It is a practical solution in situations where the factory line has suffered mechanical damage, abrasion, or has lost its tightness.

Selecting a line from the same design group allows for maintaining the factory installation routing, which facilitates assembly and reduces the time required for repairs in a workshop or during DIY replacement.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mini and need other components from the same group, such as flexible fuel lines, breather hoses, or return pipes, check the available parts in the Mini lines, hoses and pipes category.

For users interested in a broader context of BMW engine operation, guide materials regarding typical faults and repair costs may be useful. For this purpose, it is worth reading the article BMW E90 emergency engines – a practical guide to problematic units, which helps to better understand the specifics of servicing modern engines of this brand.