Fuel Breather Line BMW F10 M5 F12 F13 M6 Fuel Tank Breather Pipe Hose 7847238

Fuel Breather Line BMW F10 M5 F12 F13 M6 Fuel Tank Breather Pipe Hose is an original BMW fuel system component designed for petrol engine vehicles. It ensures proper fuel tank ventilation, which translates into stable fuel system operation and safe vehicle use. This is a solution for users who want to maintain the factory performance characteristics of the fuel system in their M5 and M6 models.

Specifications and technical data

• SKU: 7847238
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7847238
• Substitutable numbers: 13907847238, 7847238, 13907843214, 7843214
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and technical function

The fuel tank breather pipe in BMW F10 M5 and F12/F13 M6 models is responsible for the controlled flow of fuel vapors between the tank and other fuel system components. A properly functioning breather:

• stabilizes pressure in the fuel tank during driving and refueling,
• reduces the risk of vacuum or overpressure buildup in the tank,
• supports the correct operation of the fuel pump and injection system,
• helps maintain compliance with the manufacturer's design specifications.

In high-power cars such as the M5 and M6, an efficient tank ventilation system is essential for consistent power delivery during dynamic driving.

Construction and fitment for BMW M5 / M6

The offered pipe belongs to the group of components referred to as Lines, hoses, and pipes that work with the fuel system in BMW vehicles. Using an original component allows you to maintain:

• routing geometry consistent with the factory layout in the engine bay and chassis,
• the correct diameter and internal cross-section, matched to fuel vapor flow,
• compatibility with factory connectors and mounting points on the body.

As a result, installation is straightforward, without the need for system modifications or the use of additional adapters.

Characteristics of the used component

This item comes from the group of used BMW parts, which allows for cost-effective fuel system repair while maintaining original specifications. For breather pipes, it is important that:

• the line is not mechanically crushed or excessively deformed,
• the connection ends retain the shape necessary for a tight seal,
• the material is free from cracks and visible leaks.

Selecting such a component is particularly important when experiencing symptoms such as refueling difficulties, characteristic air suction when opening the filler cap, or unstable fuel system operation.

Application in petrol vehicles

The breather pipe has been designed to work with the fuel system in BMW cars powered by petrol. This means the material and cross-section are matched to the specifics of petrol vapors and the operating conditions in high-performance M5 and M6 engines. Proper selection of the line for the fuel type:

• reduces the risk of material degradation due to vapors,
• supports long-term system integrity,
• ensures compliance with the manufacturer's design assumptions.

Integration with other system components

Replacing the fuel tank breather is often accompanied by other work on the fuel system or vehicle upgrades. It is worth checking the condition of other lines, connectors, and mounts around the tank as well. If you are planning a wider range of work on your BMW's installation, it may be helpful to browse the entire category of parts in the Lines, hoses, and pipes group to select complementary elements.

Technical support and additional knowledge

When working with fuel systems and lighting, it is worth using proven sources of technical knowledge. If you are also interested in the topic of selecting original BMW lighting components, check out the guide complete guide to selecting and replacing used LED and Xenon headlights, which helps in making informed choices regarding OEM parts for vehicles of this brand.

For BMW F-series users who expect consistent operation of the entire fuel system, using an original fuel tank breather pipe is a sensible service solution that allows for maintaining stable operating parameters and compliance with the vehicle's factory design.