MERCEDES AMG M156/M159 RACING COOLANT THERMOSTATSKU: BBM156THERM
BlackBoost Performance Engineering - Racing Coolant Thermostat.
With our BlackBoost Racing Coolant Thermostat the coolant circulation with the radiator is always at 100% open. The factory coolant thermostat opens at 100°C / 212°F.
Only for racing application, not recommended be used under very cold weather conditions.
all M156 / M159 engines