This ACDelco 22620M GM 89050673 hose is designed to fit 2001-2005 BMW 325i lower radiator coolant hoses. The hose is made of EPDM material and has a clip-on mounting style. Its exterior diameter is 2 1/16 inches, while the interior diameter is 1.5 inches, and it has a length of 21 inches. The hose is petroleum resistant and comes with features that make it suitable for engine compartments and lower placements on vehicles. It is compatible with various OE/OEM part numbers, including 11.53.1.436.408 and 11 53 1 436 361-03 and 11 53 1 436 361C. This hose is perfect for those looking to replace their BMW 325i's lower radiator coolant hose without worrying about compatibility issues.