OE tuning recently did a custom dyno tune for an X6 M. The torque gains through the curve as immense as one can see. The peak HP gain is only just over 20 hp at all 4 wheels. It appears the stock turbos seem to run out of steam up top. The torque difference is a whopping 79 pound-feet at all four wheels at under 3500 rpm.
The X6 M that was tuned:
OE Tuning X6 M S63 Dyno Tune + 79 ft-lb of torque at the wheelsThis article was originally published in forum thread: OE Tuning X6 M S63 Tune Dyno + 79 ft-lb of torque at the wheels started by Sticky View original post