Quote:
Originally Posted by swamp2
-Wait the E46 M3 has more or less power than stated by BMW?? Are you saying that early (or press models) got great performance numbers by being not in the same state of tune as production cars??
-We do have a lot of performance figures for the M3. 0-60 4.4 (yes poor road surface), 1/4 mi in 12.9@111, 0-200km/hr, etc., etc.
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Can't tell for sure that it has less power than stated. But the E46 didn't get faster in the german tests, but "every" year a little slower. The car also had the conversion from EU3 emission standard to EU4 during it's lifecycle, which is surely not conducive to it's performance...
But also if it had just the stated power, there would be more "drivetrain loss" compared to an underrated engine...
Quote:
Originally Posted by sdiver68
(BMW advertised crank HP - Tested Wheel HP)/ BMW advertised crank HP *100 = % drivetrain loss?
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Quote:
Originally Posted by southlight
What shouldn't remain out of consideration is the fact that the M5 engines seem to have more power than stated. So maybe the drivetrain loss isn't that amazing low, but the engine's output higher than stated. So all this predictions are only valid if the M3 engines will also have higher output. But the rototest for the M3 engine suggests it that way...
Best regards, south
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Best regards, south