The S will get the hottest due to the SC being under the hood. Thats also why the S needs to have a CAI instead of a normal filter to help inprove power, more than the Cooper or ONE does. Sorry don't know any figures though. Roland of GTT might though as I'm sure he runs tests on intake temps so maybe he'll have some readings of ambient bay temp too???!
As a matter of interest why are you asking? |