Radiator Upper Air Duct / Cooling Guide – Fits BMW 3 Series F30/F31 (328i, 320d, etc.). BMW 3 Series F30 (Saloon) 320d / 328i / 316i / 318d / other selected engines 2012–2019. It replaces the original air guide fitted to BMW 3 Series models and matches OEM reference51747255413, ensuring proper cooling performance and correct under-bonnet airflow.
eBay