Genuine OEM Audi Upper Centre Camshaft Timing Chain, part number 06E109465BC. This vital component is responsible for synchronizing the rotation of the camshafts with the crankshaft, ensuring precise valve timing for efficient engine operation. Positioned as an upper centre chain, it plays a crucial role in the engine's valvetrain system. Weighing 0.523 kg, this genuine OEM timing chain is manufactured to exact factory tolerances, providing reliable, vibration-free service life and maintaining optimal engine performance.