BMW Cooling System O-Ring Kit Set X3 X4 M40iX G01 G02 B58 Radiator Heater Hose
X3 X5 e83, e53, e70. 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 kits seal the BMW press & clip hose connections.