The Next M-series Back Down to Six or Four Cylinders?
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The first M3 had an inline four. The next two gens holstered straight sixes. And now the M3 has a high-revving V8. BMW’s mighty M5 went from two generations of straight sixes to a V8 to a high-revving V10.
All this horsepower excuses BMW from having to lighten its cars and focus on improving dynamics. It seems that BMW CEO Norbert Reithofer is thinking along the same lines.
Speaking to the German magazine Auto Motor Und Sport, Reithofer said he wants to trim down to fewer cylinder engines in the M cars and the rest of the BMW range. In particular, he said that BMW’s diesel V8 (which is rather popular over in Europe) would be replaced with a twin turbocharged I6. And he indicated that the M range would also probably be downsized as well. Turbocharging, not displacement and cylinders, would be the path to improvements in M cars’ horsepower and weight distribution. (Not to mention CO2 emissions.)
Source: The Truth About Cars
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