I have the H&R springs on my F10 and it works great with the Dynamic Dampening from the M Sport package. The ride is still good while being a bit stiffer in each of the mode settings, which is a plus as I feel the stock settings were a bit soft. They lowering amount is near perfect, especially with the 20" BBS...It could be slightly lower still, but its definitely a noticeable improvement aesthetically and handling-wise. To me the ACS isn't noticeable enough from a lowering stand point...but it would suffice if you want a sportier stance without looking lowered too much...which I believe the sport packages should have come like stock.
