This heater hose is designed to fit BMW 325 models with 2.5L and 3.0L engines produced between 2004 and 2013. It is a coolant hose manufactured by Gates, part number 02-1687. This hose is a replacement for original part numbers 17127565093 and 17127618510. Ensure compatibility with your specific BMW 325 model and engine type (e.g., N53B30A) before purchase.