Put the M3 on the dyno for the first time today...
440.5 BHP max power. 339.4 FtLb of Torque (attached
All Stock + Eisenmann Race Muffler. 35,000 miles on the clock.
Pretty surprised that at the increase over stock?! Pleased also!
Sounded amazing as its the first time i have properly heard it from outside the car. Monster.