Mishimoto MMTS-E36-92L BMW E36 Racing Thermostat, 1992-1999 Fits the 19921999 BMW E36 Activates at lower temperature so coolant flows through system earlier Allows for cooler engine temperatures Mishimoto Activation: 154F (68C) / OEM Activation: 190 F (88 C) Mishimoto Lifetime Warranty