Genuine OEM BMW Engine Crank Case Vent Valve, part number 11158692193. This valve is a key component of the crankcase ventilation system, controlling the release of pressure and harmful vapors from the engine's crankcase. By regulating this flow, it helps prevent oil leaks, reduces emissions, and maintains optimal engine performance. It is typically connected to the valve cover and intake system. Made from durable, high-quality materials. Genuine OEM parts are engineered to precise specifications for reliable operation and longevity.