BMW 3 4 Series F30 F31 F32 F33 Fuel Tank Vent Line Hose Pipe 7431131

BMW 3 4 Series F30 F31 F32 F33 Fuel Tank Vent Line Hose Pipe is an original fuel system component from the Lines, hoses and pipes group, designed for BMW 3 and 4 Series models. It ensures proper fuel tank ventilation, which promotes stable engine operation and correct interaction with the emission control system. This used OEM component is a sensible choice for fuel system maintenance when you require factory-fit quality and predictable installation.

Specifications and technical data

• SKU: 7431131
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7431131
• Substitutable numbers: 7431131, 16137431131, 16137270996, 16137270242, 7270242, 16127296998, 7296998, 16127296997, 7296997
• Category: Hoses, Lines & Pipes

Purpose and technical function

The fuel tank vent line in BMW F30, F31, F32, and F33 models is responsible for the controlled flow of fuel vapors between the tank and other fuel system components. A properly functioning line reduces the risk of overpressure or vacuum buildup in the tank, which is important for tank durability, system tightness, and the correct operation of the vehicle's diagnostic systems.

This component is particularly important for:

• clearing errors related to the fuel system and vapor emissions,
• repairs following mechanical damage in the fuel tank area,
• restoring the factory system configuration after previous unprofessional modifications.

Compatibility with BMW F-series

The offered line has been designed specifically for the BMW F30, F31, F32, and F33 platforms, which means proper routing in the chassis, correct connection geometry, and a perfect fit for original brackets and mounts. As a result, installation is straightforward, without the need for modifications or additional adapters.

The original BMW origin helps maintain the integrity of the entire fuel system and facilitates future diagnostics – the operating parameters of the ventilation system remain consistent with the vehicle manufacturer's specifications.

Characteristics of the used OEM component

The line comes from dismantling, which allows you to combine an attractive price with the preservation of factory specifications. A used OEM component from the Lines, hoses and pipes category is a good solution in situations where you care about the original shape, diameter, and type of connectors, while wanting to avoid problems with fitting aftermarket parts of unknown origin.

In practice, this means:

• maintaining factory mounting points in the chassis,
• correct positioning of the line relative to other fuel system components,
• reduced risk of leaks resulting from poorly fitted ends.

Benefits of using an original line

Using an original fuel tank vent line in a BMW F30, F31, F32, and F33 helps maintain stable fuel system operating conditions. Proper ventilation promotes even engine fueling and supports the correct operation of emission control systems, which is important for both component durability and periodic technical inspection results.

Additionally, by choosing an OEM component, you reduce the risk of installation issues and the need for further intervention in the fuel system in the near future. This is especially important for vehicles in intensive use, where service predictability and consistent operating parameters are essential.

Related BMW fuel system 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 flexible fuel lines, rigid guide pipes, or additional vent hoses, check out the available parts in the BMW Lines, hoses and pipes category.

When planning broader service work on the drivetrain and transmission, it is also worth expanding your knowledge on selecting used components – you can find practical tips in the article Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems, which helps you make informed purchasing decisions regarding aftermarket parts.