BMW i3 I01 Hybrid Rex Petrol Fuel Tank Vent Pipe Breather Hose Line 7340431

BMW i3 I01 Breather Hose is a component from the Hoses, Pipes and Tubes group, designed for gasoline-powered vehicle systems. A properly selected breather hose ensures stable fuel system operating conditions and reduces the risk of undesirable leaks. This genuine BMW component is the right choice for professional repairs or replacement of worn-out parts in the i3 I01 model.

Specifications and technical data

• SKU: 7340431
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7340431
• Substitutable numbers: 16137340431, 7340431
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The BMW i3 I01 Breather Hose operates within the fuel circulation system of a gasoline-powered car. Its function is to control the venting of vapors and equalize pressures, ensuring the system remains sealed and maintains proper operating characteristics under various load conditions.

A correctly selected breather hose:

• stabilizes the fuel system's operating conditions regarding pressure and vapor flow,
• reduces the risk of engine malfunctions caused by uncontrolled leaks,
• supports the maintenance of correct operating parameters for the gasoline engine.

Construction and Fit for BMW i3 I01

This element belongs to the Hoses, Pipes and Tubes group, meaning it is designed to operate in an environment exposed to temperature changes, vibrations, and contact with fuel vapors. The hose's construction is adapted to the compartment's geometry and the routing of the system in the i3 I01 model, facilitating installation and maintaining the factory routing of the lines.

Original BMW origin promotes:

• compatibility with factory clips and mountings,
• proper fit with other system components,
• adherence to the vehicle manufacturer's design specifications.

Performance Parameters and Application in Gasoline Vehicles

The hose is designed to work with systems in gasoline-powered vehicles, which is important for the material's resistance to the specific chemical properties of fuel and its vapors. This ensures long-term sealing and stable flow parameters under typical urban and non-urban operating conditions.

Replacing the breather hose is particularly recommended when:

• signs of wear, cracks, or material hardening are visible,
• there are fuel odor issues around the vehicle,
• diagnostics indicate system malfunctions related to venting.

Characteristics of a Used Element

The offered hose is a used part, meaning it comes from a dismantled vehicle and has been verified for continued operational suitability. This type of component is a sensible solution for repairs where maintaining compliance with the original BMW specifications while optimizing costs is crucial.

Using an original, used breather hose helps maintain system consistency with other factory components, without the need for adaptations or modifications to the installation.

System Expansion – Related Components

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other parts from the same group, such as additional hoses, flexible tubes, or rigid pipes, check the available parts in the BMW Hoses, Pipes and Tubes category.

For drivers interested in comparing technical solutions used in different brands and sports versions, an article discussing the construction of powertrains, brakes, and chassis in high-performance models may be helpful – find more information in the material Audi RS vs Other Models – What Lies Under the Hood and Chassis?.