Quote:
Originally Posted by derbo
If you can, can you explain what the purpose of lower thermostat for track cars?
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Track cars don't need help getting hot like some daily drivers might. They usually push the cooling system to its limit already. Using a lower temp thermostat can help the cooling system keep up before temperatures might start to run away mid race. They are also not usually restricted by emissions or efficiency requirements that can be hampered by running a lower coolant temperature in closed loop conditions. Selecting the ideal thermostat for your conditions (track or street) will require data collection, review, and testing...In typical OEM fashion BMW selected the solution adequate for the majority of users.