BMW Z4 Series E85 Roadster 2.2i 2.5i 3.0i M54 Fuel Tank Breather Line Petrol

BMW Z4 Series E85 Roadster 2.2i 2.5i 3.0i M54 Fuel Tank Breather Line Petrol is a fuel system component responsible for the controlled venting of fuel vapors from the tank in BMW vehicles powered by petrol. A properly selected line from the Lines, hoses and pipes category helps maintain stable pressure in the tank and supports the correct operation of the engine fuel supply system. Using an OEM component is a sensible service solution, allowing for a technically correct repair without excessive costs.

Specifications and technical data

• SKU: 7513805
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7513805
• Substitutable numbers: 13907513805, 7513805
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Function and role in the fuel system

The fuel tank breather line in the BMW Z4 E85 operates in the area between the fuel tank and the venting system components, ensuring controlled fuel vapor flow. A properly functioning line reduces the risk of overpressure or vacuum in the tank, which translates into stable fuel supply for the petrol engine and correct interaction with the engine management system.

Proper selection of this part is particularly important in petrol-powered vehicles, where the quality of lines and hoses affects operational safety, system tightness, and the smooth operation of the power unit.

Construction and fitment for BMW Z4 E85

The offered component belongs to the Lines, hoses and pipes group, meaning it has been designed to work in a fuel and vapor environment, taking into account the typical temperature and pressure loads in the BMW Z4 E85. The design of the line is matched to the factory routing in the chassis, which facilitates installation and allows for maintaining the original installation path.

Using a line consistent with the factory solution reduces the risk of stress, kinks, or leaks that may occur when using universal parts. As a result, the fuel system maintains parameters close to factory specifications, and vehicle maintenance is more predictable.

Benefits of using an original used line

Choosing a used fuel tank breather line for a BMW allows you to combine the economic aspect with maintaining compliance with the OEM solution. This type of part is particularly attractive for maintenance repairs when the priority is to restore full functionality of the fuel system at controlled costs.

The main advantages of using such a component include:

• maintaining the original geometry and mounting points of the line,
• compatibility with the fuel system of the BMW Z4 E85 with a petrol engine,
• possibility of restoring the factory installation path without modifications.

Application and installation recommendations

The fuel tank breather line is designed for operation in the fuel system of petrol-powered BMW vehicles, where maintaining tightness and efficient vapor venting is required. During installation, it is recommended to carefully check the condition of the connectors, clamps, and adjacent lines to avoid leaks in the entire venting circuit.

Due to the nature of this part's operation, it is worth paying attention after installation to any potential fuel odors in the wheel arch or rear area of the vehicle, as well as the absence of fuel system-related error messages in the diagnostic system.

System expansion – 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 additional lines, flexible hoses, or rigid fuel pipes, check the available parts in the BMW lines, hoses and pipes category.

During high temperatures, it is also worth paying attention to the condition of the cooling system, which has a direct impact on stable engine operation and indirectly on the load on the fuel system – you can find more practical tips in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.