Hose-Air Box Thermostat to Throttle Body-325i (92-95), M3 (95) (Genuine BMW) - air box thermostat to throttle body heating hose. It carries warm coolant directly from the cylinder head circuit to the intake thermostat, helping prevent throttle plate icing in freezing environments. It fits early-generation BMW E36 6-cylinder engines (M50 and S50) |