I love how the adaptive suspension really changes the character of the car. I drive in comfort mode most of the time but will select sport from time to time. Feeling the suspension and the steering tighten up is really amazing...first time I pushed that sport button while driving the car home from the dealership I just had this big grin on my face...really amazing.
I drove a C300 for 3 years and while the suspension was stiffer than the F30 in "comfort" mode, the car was somewhat harsh in city driving...but no where near the stiffness of the F30 in sport mode. I enjoy having two distinct ride qualities and I feel like this is something all F30 drivers should experience!