Cylinder 3 is a constant problem. It will pop at 6700+ typically in 3rd gear.
2016 GTI
Littco L450, 32psi, E83 in the tank
4-bar PUT sensor
A2B 925CC MPI
A2B RS3 Brushless LPFP
Autotech HPFP
Brisk ER10S spark plugs
I have tried brand new NGK 2-step colder plugs, currently on brand new Brisk...