Genuine OEM Audi Engine Timing Chain, part number 06E109465BN. This critical engine component is responsible for synchronizing the rotation of the crankshaft and camshaft, ensuring precise valve timing for optimal combustion. It operates within the engine's timing system. Weighing approximately 0.278 kg, this chain is engineered for high strength and durability. A genuine OEM timing chain provides the exact link count, material quality, and tension characteristics required for reliable engine operation and longevity.