I know I posted a full comprehensive thread on my experience at the Dynotuners..... but I like to keep track of it here as well.
Huge shout out to BR-Performance in Willobroek, Belgium.
Baseline dyno -536 hp / 826nM
US measurements - 529hp / 609 ft lb
After remap - 690 hp - 928nM
US measurements - 680hp / 685 ft lb
Here's the full write up I did on the whole experience:
https://g05.bimmerpost.com/forums/sh....php?t=1729813