Quote:
Originally Posted by Adam_L
I want to know the real reason BMW killed off the E46 M3, with that I6 NA engine ( all for V8 glory) ?? Must Evolve to something bigger, more powerful
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Because the S54 was a dinosaur of an engine, with its heavy iron block, no variable valve timing (forget about lift), and solid lifters in 2008! The new N52/54 6 cylinders were too new and untested to build an M engine from, so the easiest way to make a new, modern, more powerful unit for the next M3 was to take the M5 V10 and cut 2 cylinders off.