Quote:
Originally Posted by shreddr
the "S" needs something more than that. the HP2S was more about the bling than a hot rod motor. a new R12 or R13S is gonna need water cooling and 150HP minimum. it doesnt surprise me they put it in the GS, throwing that motor in a new S would have been a surprise and a little too little too late. time to bring on the heat, and I dont mean S1000RR
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Water cooling the boxer wouldn't be a problem but the added weight and complexity probably wouldn't strike a chord with the GS crowd and they are what is keeping the boxer alive. BMW are never going to develop an engine JUST for the sport/touring line.
That being said I'm not sure why the engine would have to be water cooled for more power. For noise pollution requirements maybe but the question is when (power vise) does oil cooling the engine become heavier/more complex/financially less viable than water cooling it?