The would mean an E46 M3 is making upwards of 300whp with nothing but software. Thats possible with just headers and tune though.Originally Posted by BATMOBL
The would mean an E46 M3 is making upwards of 300whp with nothing but software. Thats possible with just headers and tune though.Originally Posted by BATMOBL
Those were dyno runs from a UK shop. The car was a 01 M3. Sorry for the confusion. It did show 28 rwhp gains. The X5 we did yesterday felt must fast on first accleration. From a dead stop the initial torque curve is much soon.
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