BMW E81 E87 E90 E91 LCI Vent Line Fuel Tank Breather Hose Petrol 7529755

BMW E81 E87 E90 E91 LCI Vent Line Fuel Tank Breather Hose is an original fuel system component by BMW, designed for petrol engines. It ensures controlled fuel vapor discharge, which promotes stable engine operation and proper interaction with other system components.

Specifications and technical data

• SKU: 7529755
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7529755
• Substitutable numbers: 7529755, 13907529755
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented breather hose is a component of the fuel system in BMW E81 and E90 series vehicles with petrol engines. Its task is to safely route fuel vapors between individual components, which reduces the risk of uncontrolled leaks, improves engine performance, and supports the proper operation of the fuel supply system.

Thanks to its precisely selected geometry and factory fitment for the specific vehicle platform, the hose maintains proper tightness and resistance to typical operational loads in the engine compartment.

Construction and fitment for BMW

As part of the Lines, hoses and pipes group, the element has been designed for installation in specific BMW models, without the need for modifications or fitting universal replacements. The properly shaped pipe facilitates routing in the engine compartment, minimizing stress and the risk of rubbing against other components.

Original BMW OE origin means maintaining factory quality standards, including resistance to temperature, contact with petrol, and typical vibrations occurring during driving.

Benefits of using an original hose

Using an original breather hose instead of a worn or leaking component allows you to:

• maintain proper fuel system tightness,
• reduce the risk of errors related to the operation of the fuel supply system,
• maintain compliance with BMW factory specifications,
• minimize problems with the smell of fuel around the vehicle.

For users planning a wider fuel system upgrade or replacing several components at once, it may be helpful to browse the entire group of parts in the fuel and auxiliary lines and hoses category to select compatible components in one service step.

Part condition and service application

The item comes from disassembly and is intended for reinstallation in BMW vehicles where restoring proper fuel system venting is required. It works well both for standard maintenance repairs and when replacing a damaged hose after a collision or interference in the engine compartment.

For workshops specializing in the BMW brand, using original parts from disassembly represents a reasonable compromise between repair costs and maintaining the factory characteristics of the fuel system.

Technical support and additional information

Before purchasing, it is worth verifying the compatibility of the part with the specific engine version and vehicle year using BMW catalog data or the manufacturer's numbering. This facilitates the selection of the correct hose and reduces the risk of errors during installation.

If you are considering broader vehicle modifications using parts from disassembly, the article on the practical use of original components in tuning may be helpful: cheap mechanical and visual tuning using OEM parts from disassembly. This will allow you to better plan service and modernization work while maintaining reasonable costs.

Additional tips regarding the operation and diagnostics of the fuel system can also be found in our advice section, where we discuss typical symptoms of hose leaks and good practices for their replacement.