BMW F10 F11 Fuel Tank Breather Line Pipe Hose 7636127

The BMW F10 F11 Fuel Tank Vent Hose 7636127 F10 is an original BMW fuel system component responsible for safely venting vapors from the fuel tank. The precise design of the vent hose supports stable engine operation and correct fuel supply system functionality in modern BMW 5 Series F10/F11 units.

Specifications and technical data

• SKU: 7636127
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7636127
• Substitutable numbers: 7636127, 13907636127, 7593362, 13907593362
• Category: Fuel Injectors

Purpose and Function in the Fuel System

The fuel tank vent hose in the BMW F10/F11 is a component that works in conjunction with the injection system and the emission control system. Its function is to control the venting of fuel vapors and maintain correct pressure within the tank, which translates to stable engine fuel supply and proper injector nozzle operation.

A functional vent hose helps reduce the risk of:

• disruptions in the injection system's operation resulting from incorrect tank pressure,
• vacuum or overpressure formation, which can strain the fuel pump,
• undesirable fuel vapor leaks and associated diagnostic errors.

Component Construction and Characteristics

The fuel tank vent hose is designed as a component tailored to the body geometry of the BMW 5 Series F10/F11. The appropriately selected shape and diameter of the hose ensure:

• stable fuel vapor flow between the tank and other system components,
• secure routing of the hose within the underbody or body space,
• compatibility with factory BMW brackets and connectors.

Original manufacturing promotes the maintenance of factory fuel system operating parameters, which is particularly important in vehicles equipped with advanced injection control systems.

Benefits of Using an Original Vent Hose

Replacing a damaged or leaking vent hose with an original BMW part restores correct fuel system operating conditions. Key benefits include:

• factory fit for BMW F10/F11 – no modifications required, compliance with original hose routing,
• maintenance of correct fuel tank pressure, promoting uniform injector nozzle operation,
• reduced risk of fuel system and vapor emission-related errors,
• consistency with other injection system components in BMW vehicles.

Component Condition and Service Application

The offered vent hose is a used part, removed from a vehicle, and intended for service applications in BMW 5 Series F10/F11 vehicles. It is a practical solution for users who wish to restore fuel system functionality while maintaining the original manufacturer's specifications.

Selecting the correct vent hose is particularly important when encountering issues such as fuel odor around the vehicle, EVAP system errors, or unstable engine operation at different fuel tank fill levels.

Connection to Injector Nozzles and Fault Diagnosis

While the vent hose is not a direct injector component, its condition affects the operating conditions of the entire injection system. Improper tank venting can indirectly contribute to fuel delivery problems, especially in modern diesel engines.

If you want to better understand how fuel supply issues manifest in diesel engines and how to diagnose them, it is worth reading the article: Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails. This provides practical knowledge for planning comprehensive fuel system maintenance.

Other BMW Injector Nozzles

If you are assembling a fuel system or planning a more extensive injection service for your car, you can check the BMW injector nozzles available in our offer. View the full list of products in the category: BMW injector nozzles to select components that match your vehicle's specific engine version.