BMW 325li Replace the electronic throttle thermostat. Should I insert the branch pipe?

BMW 325li Replace the electronic thermostat by plugging it in the branch pipe. The precautions for BMW to replace the electronic thermostat are that the thermostat does not need to match, but the air in the coolant needs to be removed. Be careful of the radiator cracking due to pressure. When replacing the thermostat, it should be carried out at room temperature, and the branch pipe should be inserted to avoid scalding. Pay attention to the direction of the thermostat during installation, clean the interface and apply sealant.