BMW G30 LCI G31 LCI G38 LCI Vent Pipe Fuel Tank Breather Line Resonator 8672525

BMW G30 LCI G31 LCI G38 LCI Vent Pipe Fuel Tank Breather Line Resonator is an original BMW fuel tank ventilation system component, belonging to the Lines, hoses and pipes group. Designed specifically for the facelifted G30, G31, and G38 series, it ensures stable fuel vapor routing and supports the proper operation of the fuel system. This is a practical service solution for users who want to maintain the factory performance characteristics of the engine and fuel vapor emission system.

Specifications and technical data

• SKU: 8672525
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8672525
• Substitutable numbers: 8672525, 13908672525
• Category: Hoses, Lines & Pipes

Purpose and technical function

The presented vent pipe with a resonator is a component of the fuel vapor discharge and stabilization system in modern high-end BMW models. Its purpose is to:

• controlled discharge of vapors from the fuel tank to subsequent system components,
• reduce flow vibrations and pulsations thanks to the built-in resonator,
• work in conjunction with the factory fuel vapor emission control system,
• maintain tightness and proper pressure within the tank area.

By being tailored to the specific G30 LCI, G31 LCI, and G38 LCI body generations, this component allows for maintaining compliance with the factory parameters of the fuel system.

Construction and fitment in the system

The vent pipe with a resonator belongs to the Lines, hoses and pipes group, which means it has been designed for precise medium routing in the chassis compartment and around the fuel tank area. The shape, connection diameters, and mounting locations are adapted to the factory mounting points in the G-series body.

Its original BMW origin ensures appropriate rigidity, resistance to fuel and temperature, as well as the correct flexibility in areas exposed to chassis movement. As a result, the component works with other system parts without the need for modifications or the use of additional adapters.

Benefits of using an original line

Using a factory vent pipe with a resonator during service or repair brings a number of practical benefits:

• Installation compatibility – perfect fit for serial brackets and connectors in G30 LCI, G31 LCI, and G38 LCI models.
• Stable fuel system operation – proper fuel vapor routing reduces the risk of diagnostic errors related to tank ventilation.
• Consistency with factory design – maintaining the original pipe geometry and flow characteristics.
• Reasonable service solution – a used OEM component is often a favorable compromise between cost and maintaining original quality.

Application in service practice

The vent pipe with a resonator will prove useful both for typical replacement of a worn or damaged line, as well as for post-accident repairs in the fuel tank or chassis area. It is particularly useful when:

• the old pipe shows leaks or signs of mechanical damage,
• there are errors related to the tank ventilation system,
• it is necessary to rebuild the fuel system after bodywork or mechanical intervention.

Choosing an original element from the Lines, hoses and pipes group allows you to minimize the risk of fitment issues and ensures predictable system behavior in the long term.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other components from the same group, such as vent lines, flexible fuel hoses, or rigid routing pipes, check out the available parts in the BMW Lines, hoses and pipes category.

For larger repairs, especially after collisions, it is also worth considering the selection of appropriate body and structural components. You can find more practical tips on selecting used components in the article Post-accident repair of your car: why are used body parts a better choice than replacements?, which helps you consciously plan the scope of work and select the right parts.