G80 M3 xDrive Review from a RWD owner - Has 4WD ruined the M3?

The xDrive G80 M3 and G82 M4 are finally starting to be delivered, and this is a momentous occasion for BMW as it is the first time they have offered an M3/4 in 4WD. But has this ruined the driving dynamics of the car?

Having owned our RWD G80 M3 Competition from launch we have a fair amount of experience to see just how different this car is.