Genuine OEM Audi Balancer Shaft, part number 059103273BN. This critical engine component is designed to counteract secondary vibrations produced by the engine, ensuring a smoother and more refined operating experience. It is located within the engine block assembly. Weighing approximately 1.07 kg, this shaft is precisely balanced. Genuine OEM balancer shafts are manufactured to exact factory tolerances, providing optimal vibration reduction and contributing to the engine's overall longevity and performance.