Description of Mishimoto MMTS-E36-92L Silver Racing Thermostat for BMW E36 3-Series 1992-1999: High-Performance Cooling Upgrade
Fits the 1992-1999 BMW E36. Activates at lower temperature so coolant flows through system earlier. Allows for cooler engine temperatures. Mishimoto Activation: 154°F (68°C) / OEM Activation: 190°F (88°C). Mishimoto Lifetime Warranty.
I installed it on my 97ft M3 for a race weekend and then decided to replace it with an OEM thermostat. The technician gave it back to me when I picked up my car and showed me that the gasket on the valve had fallen apart even after about a couple of days of driving.