Guys,
Just want to share a good news.
RaceChip for BMW F90 M5 just launched.
Available both with and without App function.
Fit for both Regular M5 and Competition Package M5.
Here is the video that they just gave and posted on their YouTube channel.
Their Dyno result.
Edit: Here is the installation instruction in PDF form and Video.
RaceChip-BMW_F90_M5.pdf