Genuine OEM Audi Timing Chain, part number 06E109465BB. This timing chain is crucial for synchronizing the crankshaft and camshafts, ensuring the engine's valves open and close at the correct times. It is located within the engine's timing system. The chain is constructed from high-strength metal for longevity and resistance to wear. Genuine OEM timing chains are manufactured to exact specifications, guaranteeing precise timing and preventing potential engine damage.