BMW Fuel Tank Valve / Breather Line 13907636158

The Fuel Tank Valve / Breather Line is an essential component located within the fuel delivery system of various BMW models. Its primary function is to regulate fuel vapor emissions and maintain proper pressure within the fuel tank, ensuring optimal engine performance. This part interfaces directly with the fuel tank and the evaporative emissions system, playing a crucial role in preventing fuel leaks and ensuring efficient operation. Common issues that may necessitate replacement include damaged or worn-out valves leading to fuel vapor leaks, decreased fuel efficiency, or engine warning lights. The OEM part number 7636157 is compatible with several BMW models, including the 535i, X3, X5, and X6 from the years 2008 to 2012, as well as the 640i and ActiveHybrid 5 from 2012. Also known as a fuel valve, this piece is vital for maintaining emissions compliance and proper engine function. Additional part numbers include 7618657, 7601209, and 4586291.