Tesla's Liquid Cooling System Is State of The Art

Tesla patented a liquid cooling system they call a battery management system (BMS). Tesla's system also helps keep the battery warm during cooler temperatures. The BMS Tesla patent has every battery cell against the coolant pipe.

Does Tesla have cooling system?

The Tesla Model 3 uses a different, more efficient cooling system that does away with the bending coils in the Model S and Model X.

Are Tesla electric motors water cooled?

The Tesla Model 3 has a coolant to oil heat exchanger on the exterior of the housing and uses the oil to flow through grooves and channels in the stator laminate stack to cool the motor.