Quote:
Originally Posted by Bönz
...But there is no way the S55 puts out more torque than the S63Tu. As published the S63Tu puts out about 100lb-ft more. As dyno'ed there's an even greater difference.
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+1
To be exact 130 ( ~30%) more torque (576 vs 446) measured by Dinan as a well-known tuner in US ... and since both car have the same gear ratio (if both have DCT) while M3/M4 have almost 10% shorter FD ratio (3.46 vs 3.15), still M5/M6 transfer more torque (~17%) to the rear wheel ...