But don't waste money buying a new sensor or unnecessarily replacing hose assemblies, all of which can last well beyond 10 years/150,000 miles. These o-rings seal the BMW press & clip hose connections.
BMW Cooling System O-Ring Kit E46 M3 S54 3.2 Radiator Coolant Hose Sensor Set
BMW Cooling System O-Ring Kit 328i 328xi E90 E91 E92 E93 N51 Set
BMW Cooling System Hose O-Ring Kit Set 335i iX Li F30 F31 F34 N55 2011-2018
BMW Cooling System O-Ring Kit Set 430i 430ix F32 F33 F36 B48 B46 2015-2019
BMW Cooling System O-Ring Kit X6 35iX E71 N54 N55 Radiator Coolant Hose 2007-
BMW Cooling System O-Ring Kit Set X3 30i 2017-2020 G01 B46 Radiator Heat Hose
