Originally Posted by Pig Farmer
E46 M3s, correct?
No E9x M3's. The M3 owners were stating that all of them came in low horsepower-wise. Even the C63 was rated at like 500+ HP at the crank only put 400 HP to the dyno. This dyno may be reporting low HP number, however the numbers still work on a comparison basis for all 5 cars. On another dyno perhaps the M3's would probably put about 340-350 HP to the wheels, but then again so could I with all things being equal. Here are the M3's ad the C63