Fuel Tank Breather Valve| 7618646| 13907618643| compatible with various BMW

fuel tank ventilation valve (also known as a fuel tank breather valve or vapor canister vent valve).
Part Number: The number “7618646” corresponds to this specific part, which is an OEM component. Another associated part number is 13907618643.
Function: Its primary function is to manage pressure within the fuel tank, allowing the release of excess pressure and preventing a vacuum from forming, which ensures proper fuel flow and operation of the evaporative emissions (EVAP) system.
Vehicle Compatibility: This valve is commonly used in various BMW models, including specific years of the 1, 3, and 5 series, as well as the X5, typically with N51 or N52 engines.
Symptoms of Failure: A failing valve can cause symptoms such as a fuel smell, rough idling, or triggering EVAP system error codes