Genuine OEM Audi Grooved Domed Pin, part number 4E0805470. This grooved domed pin is used for securing various panels, likely underbody shields or engine covers, in place. It is indicated as part number 6 in the diagram, situated near the engine bay components. The pin has dimensions of approximately 50mm in length, 50mm in width, and 15mm in height, weighing 0.012 kg. Genuine OEM pins are manufactured to precise specifications to ensure a secure and rattle-free fit, maintaining the integrity of the vehicle's exterior and underbody components.