The BMW M2 Competitors is unquestionably probably the most fascinating automobiles within the BMW steady at the moment. Its packaging and new M engine make it one of many hottest M automobiles on sale, but the adjustments from the M2 go deeper than that. Nonetheless, as soon as the N55 mill was dropped, everybody puzzled what that will imply for the M2. The Competitors mannequin comes with a detuned S55 powerplant taken from the M3 and M4 fashions and that turns into fairly apparent once you put them on the dyno.
Based on some latest postings, some fans put the M2 Competitors and a inventory M4 (non Competitors Package deal) on a dyno to see precisely how the 2 evaluate. Their readings present precisely how the S55 engine was merely capped when it comes to efficiency utilizing a unique ECU map. The M2 Competitors’s enhance stays completely flat from 5,000 RPM to 7,000 RPM particularly when in comparison with the graph put out by the M4.
The horsepower studying reveals 409 HP on the crank for the smaller automotive whereas the M4 posted 442 HP. Thoughts you, the M4 was the non-competition mannequin so it’s fairly apparent BMW endowed the usual M4 with greater than the 425 HP it claims in its brochures. On the M2 Competitors, the quantity are nonetheless a bit increased than marketed however not by such a giant margin. On the torque entrance although there are a few surprises.
To begin with, it’s grow to be reasonably traditional to see M automobiles posting higher numbers than claimed on the dyno, particularly because the turbocharged period kicked in. On the M4 the figures present 440 lb-ft (596 Nm) of torque, which is significantly greater than the claimed 369 lb-ft (500 Nm). Nonetheless on the M2 Competitors, these figures are even increased, the dyno studying being 475 lb-ft (640 Nm) as a substitute of the claimed numbers. That’s an enormous distinction irrespective of the way you take a look at it and, if you wish to entry much more horsepower, I’m positive an ECU tune would get you a similar ranges as on an M4, simple.
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