543whp is very impressive for a stock car!
I'm not overly impressed with the Hartge figures.
Maybe if it's a 82hp gain over stock - then we are talking over 700hp at the crank.....!
2014 335d xDrive Mineral Grey/Black Merino
2012 ///M5 Silverstone/Black, 19"
2011 BMW K1600GT
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