Ventilation Valve Pipe BMW F10 M5 F13 M6 Fuel Tank Breather Cyl. 5-8 7843216

BMW F10 M5 F13 M6 Vent Hose Cylinder 5-8 7843216 is an original fuel system component from the Fuel Tanks and Filler Necks group, designed for gasoline engines in sport BMW models. This specialized hose with a vent valve serves cylinders 5-8, ensuring stable fuel vapor discharge and proper system operation. This solution is dedicated to users who expect precise fitment and maintenance of factory engine parameters.

Specifications and technical data

• SKU: 7847244
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7847244
• Substitutable numbers: 7847244, 13907847244, 7843216, 13907843216
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and Function in the Fuel System

The presented vent valve with hose operates in the gasoline engine fuel supply area, forming part of the fuel vapor discharge system between cylinders 5-8 and components from the Fuel Tanks and Filler Necks group. Its function is controlled venting and pressure stabilization, which helps reduce the risk of engine malfunctions, rough idling, or fuel-air mixture errors.

Thanks to its factory geometry and appropriate hose diameter, this component maintains correct vapor flow, cooperating with other fuel system components. Proper venting in the area of cylinders 5-8 is particularly important in high-load units, such as those used in the BMW F10 M5 and F13 M6.

Compatibility and Fitment for BMW

The discussed valve with hose has been designed specifically for sport BMW models, which translates to excellent fitment with factory mounting points and hose routing. The original design minimizes the risk of leaks, collisions with other components, and installation issues that often arise with universal parts.

The component features dedicated manufacturer markings and interchangeable numbers, which facilitates compatibility verification by OEM number or reference numbers. This allows for precise part selection for a specific engine configuration and vehicle year, without the need for installation modifications.

Technical Characteristics and Operation

The vent valve with hose has been adapted for operation with gasoline fuel, meaning the materials are resistant to typical chemical and thermal loads in such power units. The hose construction ensures appropriate flexibility while maintaining seal integrity, and the integrated valve is responsible for proper vapor flow direction.

A properly functioning vent system in the area of cylinders 5-8 contributes to:

• engine stability under various loads,
• reducing the risk of overpressure in the fuel system,
• proper cooperation with the engine control system and OBD diagnostics.

In case of symptoms such as fuel odor, fuel system errors, or unstable engine operation, checking the condition of vent hoses and valves in this zone is one of the recommended diagnostic steps.

Condition, Origin, and Benefits of Use

The offered component comes from the original BMW production line, ensuring consistency with the vehicle's factory specifications. As a used part, it is an attractive cost alternative to new components, while maintaining proper fitment and functionality. Choosing an original vent hose with valve helps avoid problems typical of aftermarket parts with imprecise dimensions or different flow characteristics.

By using this component, you can restore proper operation of the vent system in the area of cylinders 5-8, which helps maintain stable engine operating parameters and also facilitates subsequent computer diagnostics – the control unit receives signals consistent with the manufacturer's design.

Technical Support and Part Selection

To fully understand the role of such components in the fuel supply system, it is worth familiarizing yourself with the material describing the construction and operation of the entire fuel path – from the tank, through the pumps, to the venting and fuel return elements. A detailed discussion can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which provides practical tips for diagnostics and operation.

If you want to streamline the process of selecting components by OEM number or reference numbers, the step-by-step guide: How to Select the Right Car Part by VIN and OEM Number will be helpful. It will allow you to more easily verify the compatibility of the vent valve with hose with your specific BMW version.

If you are planning a comprehensive repair or upgrade of the fuel system area in your BMW and need other elements from the same group, such as vent hoses, filler necks, or connection elements, check the available parts in the BMW Fuel Tanks and Filler Necks category.