Just a few weeks ago, the guys from TFLcar took a BMW M2 down to a local dyno and the results they got were extremely disappointing. Due to several factors, like high-altitude testing, the M2 output under 300 horsepower – even at the wheels. Today we have another dyno run showing the M2 putting down a healthy 335 horsepower at the wheels.
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The guys from iND Distribution got their new M2 a couple of days ago and they’re already working on tuning it. For starters, they wanted to get a baseline reading of the power the upgraded N55 engine makes and took it to the AMS Performance headquarters to see what their dyno has to say. After repeated runs and various adjusting, they came up with the conclusion that the new M car puts down 335 HP and 370 lb-ft (501 Nm) of torque at the wheels.
Adjusted for some 12 percent power loss on the transmission (we don’t know for sure if this is a manual or DCT-fitted model) that adds up to about 375 HP at the crank which would be slightly over what BMW claims and well withing their known MO. As for the torque, the figures go a bit higher, at 414 lb-ft (561 Nm) at the crank which is considerably more than the 363 lb-ft (465 Nm) advertised by BMW, even with the overboost function taken into consideration.
None of this is surprising though. BMW has been known to underrate their engines by quite a lot, especially since the ‘turbo era’ restarted. Various dynos claim that the S63 4.4-liter twin-turbo V8 of the M5 and M6 are also underrated by quite a lot, especially when it comes to torque. We can’t wait to see what the guys from iND come up with though.