Genuine OEM Volkswagen Engine Variable Timing Valve, part number 06M109257Q. This precision-engineered valve is a key component of the engine's variable valve timing system, responsible for adjusting camshaft position to optimize valve overlap and lift. It is typically mounted on the cylinder head or camshaft phaser. Constructed from durable metal, this valve weighs approximately 0.13 kg. Using a genuine OEM valve ensures precise hydraulic control and responsiveness, which is critical for maintaining engine efficiency, power output, and emissions compliance.