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How to Replace the Lower Radiator Hose on a BMW 3 Series E46

Model: BMW Serie 3 E46 - Years 1998-2006

In this video tutorial, you will learn how to remove and replace the lower radiator hose or coolant hose on a BMW 3 Series E46 (325 Xi). First, open the hood and remove the upper engine cover and the intake duct; then disconnect the electrical connector from the thermostat and remove the fan. At this point, lift the vehicle to access the lower fluid hose; disconnect it and let all the old antifreeze drain out. Finally, replace the hose and reassemble everything!

Updated on 26 April 2026 by ScegliAuto

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