BMW E87 E90 E91 Crankcase Breather Return Pipe Hose Line 7533341

BMW E87 E90 Fuel Tank Vent Hose is a component from the Hoses, Pipes, and Tubes category, designed for the fuel system in BMW 1 Series E87 and 3 Series E90 cars. It is responsible for safely venting fuel vapors from the tank, which contributes to stable fuel system operation and proper tank ventilation.

Specifications and technical data

• SKU: 7533341
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7533341
• Substitutable numbers: 11157533341, 7533341, 51327039865, 7039865
• Category: Hoses, Lines & Pipes

Purpose and Function of the Vent Hose

The fuel tank vent hose in BMW E87 and E90 models plays a crucial role in the correct functioning of the fuel system. It allows for controlled venting of vapors from the tank, reduces the risk of overpressure or underpressure in the tank, and supports stable engine fueling. Thanks to the proper routing of the hose, the risk of leaks and undesirable fuel odors around the vehicle is minimized.

Technical Characteristics and Fitment

The offered component belongs to the group of hoses, pipes, and tubes used in BMW fuel systems. The hose's construction is adapted to the E87/E90 body geometry, which facilitates installation in original mounting points. The shape, diameter, and arrangement of the connectors are optimized for cooperation with the factory fuel tank and other system components.

As part of the OEM BMW range, the hose has been designed to maintain factory vapor flow parameters and resistance to typical operational loads, such as temperature changes, contact with fuel, and body vibrations.

Component Condition and Installation Aspects

The hose is from a dismantled vehicle, which allows for the preservation of its original geometry and compatibility with factory brackets and connectors. This type of component is particularly useful for fuel system repairs when replacing a damaged or leaking vent hose is necessary. Installation involves connecting the hose to the existing tank and system connectors, using the original body mounts.

Replacement of the vent hose is recommended in case of cracks, signs of abrasion, leaks, or problems with tank venting (e.g., characteristic air intake when unscrewing the filler cap). Using an original hose from the same model platform minimizes the risk of fitment issues and leaks after installation.

Benefits of Using an Original BMW Hose

Using a fuel tank vent hose dedicated to BMW E87/E90 ensures:

• maintenance of the original hose routing and correct placement within the body compartments,
• proper cooperation with the fuel system and vapor evacuation system,
• reduction of the risk of leaks and uncontrolled release of fuel vapors,
• consistency with other BMW fuel system components.

For the user, this means more predictable vehicle operation and easier diagnosis of potential future faults, as the system remains consistent with factory service documentation.

Other BMW Hoses, Pipes, and Tubes and Technical Knowledge

If you are looking for other BMW Hoses, Pipes, and Tubes for your car, check out the BMW hoses, pipes, and tubes available in our store to select components that fit your specific model and engine version.

When planning repairs and upgrades to your car's systems, it is worthwhile to expand your knowledge about cooperating components. We encourage you to read the guide article Steering System and Power Steering – How it Works and What Fails?, where you will find practical information on diagnostics, examples of used parts, and the relationships between individual vehicle components.