In one of the videos, the head of engineering at M mentioned that in "Sport" mode the turbo wastegates are kept closed longer making sure they are spun up when needed. I imagine this is also on that same button (I don't know what other button it would be on...)
__________________
BMW 2022 F90 LCI M5 Competition, Aventurine Red Metallic, Tartufo Extended Merino Leather, Ultimate Package
See my M5 Car Blog at http://m5carblog.blogspot.com
|