BMW F80 F82 F83 F87 Fuel Tank Breather Vacuum Valve Tube 7848455

BMW F80 F82 F83 F87 Fuel Tank Breather Vacuum Valve Tube is an original fuel system component designed for BMW models with petrol engines. It ensures proper discharge of fuel vapors from the tank, stabilizing the fuel system's operation and supporting the safe use of the vehicle. This is a practical solution for users looking for a proven, used OEM part with maintained functionality.

Specifications and technical data

• SKU: 7848455-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7848455
• Substitutable numbers: 7848455, 13907848455
• Fuel type: Petrol
• Part type: Hose
• Category: Hoses, Lines & Pipes

Function and role in the fuel system

The fuel tank breather tube in the BMW F-series is responsible for the controlled discharge of petrol vapors and pressure equalization in the tank. A properly functioning line:

• limits the risk of vacuum or overpressure buildup in the tank,
• supports stable operation of the fuel pump and injection system,
• reduces the possibility of fuel odors around the vehicle,
• contributes to proper interaction with the fuel vapor emission control system.

For modern BMW petrol engines, proper tank ventilation is essential both from the perspective of component durability and user comfort.

Designed for petrol engines

The presented breather tube is dedicated to vehicles powered by petrol fuel. This means it is matched to the operating characteristics of the fuel system in such units, including typical pressure values, temperatures, and the type of fuel vapors. Using a component compatible with the fuel type:

• facilitates maintaining system tightness,
• reduces the risk of malfunction of sensors and valves in the fuel path,
• ensures compatibility with the factory vehicle configuration.

Category characteristics: Lines, hoses, and tubes

The breather tube belongs to the group of components defined as Lines, hoses, and tubes, which are responsible for transporting working media (fuel, fluids, air, or vapors) between individual components. In the case of the BMW fuel system, it is crucial to maintain:

• the appropriate diameter and shape of the line,
• resistance to petrol and its vapors,
• stable mounting at factory body points.

Thanks to this, the installation is orderly, and the line is not exposed to excessive vibrations or abrasion during operation.

Used condition and benefits of choosing OEM parts

The offered breather tube comes from the used parts segment, which allows for combining reasonable cost with the preservation of factory geometry and fitment. An original BMW component usually works better with the existing installation than universal design replacements. In practice, this translates into:

• easier installation in factory brackets and routings,
• lower risk of leaks at connections,
• preservation of the fuel vapor flow path designed by the manufacturer.

When repairing the fuel system, choosing a used OEM part is often an effective compromise between cost and quality.

Support in choosing parts and additional information

If you are considering whether it is a better solution to refurbish an existing element or install a used OEM component, our guide article may be helpful: Refurbished or used original – which part to choose for repairs?. You will find practical tips there regarding the selection of a repair strategy depending on the type of component and budget.

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