Genuine OEM Audi Engine Oil Restrictor, part number 06M103271C. This small, precision-engineered component is located within the cylinder head assembly. Its primary function is to regulate the flow of oil to specific areas, ensuring proper lubrication and hydraulic control for components like camshafts or valve lifters. This restrictor is vital for maintaining correct oil pressure and distribution. Weighing approximately 0.0028 kg, its small size belies its critical role. Choosing genuine OEM ensures the precise orifice size and material integrity for accurate oil flow control and engine longevity.