BMW X5 F15 40eX N20 Active Charcoal Fuel Filter Hose Line Pipe 7438140

The Fuel Hose with Carbon Filter for BMW X5 F15 40eX N20 is an original fuel system component, specifically designed for the hybrid version of the X5 with the N20 engine. Thanks to the integrated active carbon filter, the hose effectively supports fuel vapor control, stable system operation, and compliance with exhaust emission requirements.

Specifications and technical data

• SKU: 7438140
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7438140
• Substitutable numbers: 7438140, 16117438140
• Fuel type: No information
• Category: Fuel Filters

Intended Use and Function in the Fuel System

This hose with active carbon acts as a connecting element within the fuel system, responsible for transporting fuel vapors and purifying them before they return to the combustion process. In conjunction with other components of the BMW X5 F15 40eX N20 fuel system, it ensures:

• efficient drainage and storage of fuel vapors,
• reduction of volatile organic compound emissions,
• stable engine operating conditions under various load modes,
• proper cooperation with the engine control system and OBD diagnostics.

Thanks to its design tailored to the specific model version, the hose maintains the correct routing geometry, which reduces the risk of leaks and improper placement in the engine bay or fuel tank area.

Fuel Filters Category – Role of the Hose with Carbon Filter

The product belongs to the Fuel Filters category, but unlike a classic liquid fuel filter element, it is responsible for handling the gaseous phase – fuel vapors. The active carbon used:

• binds fuel particles from vapors,
• limits their release into the atmosphere,
• supports the correct operation of the EVAP system and engine control system.

This solution is particularly important in modern designs where the fuel system must meet strict emission standards and cooperate with advanced control electronics.

Item Condition and Installation Aspects

The offered hose with carbon filter is a used part, sourced from disassembly, which allows for economical repair while maintaining the original manufacturer's specifications. Choosing a part from the same model platform minimizes the risk of fitting issues and allows for installation in place of the factory hose without the need for modifications.

Before installation, a standard check of connection tightness, spigot condition, and correct hose routing relative to other fuel system components is recommended. A correctly installed hose with carbon filter helps avoid diagnostic errors related to the EVAP system and fuel odor issues around the vehicle.

Technical Support and Part Selection

The element has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for the specific configuration of the BMW X5 F15 40eX N20. If in doubt, it is advisable to compare the markings with the existing part or consult the manufacturer's catalog to ensure full compliance with factory specifications.

For users who want to better understand the operation of the fuel system, diagnostics, and component selection by OEM numbers, the article describing the construction and operation of the entire system – injectors, pumps, and fuel tank – will be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

Expansion of BMW Fuel System Service

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other parts from the same group, such as fuel lines, filter elements, or filter housings, check the available parts in the BMW Fuel Filters category.