This tune makes another 10 whp torque and 38 whp compared to the previous tune. It would seem the X6 and X5 M tuning is evolving with considerable steps forward taken even on 91 octane. The dyno is a dyno dynamics and all the gains are shown at all 4 wheels. Graph is at the end of the video.
Another X6 M S63 Twin Turbo V8 Dyno Tuned by OE tuning - +88 lb-ft torque +58 whpThis article was originally published in forum thread: Another X6 M S63 Twin Turbo V8 Dyno Tuned by OE tuning - +88 lb-ft torque +58 whp started by Sticky View original post