Originally Posted by yandy
There's obviously going to be more vibrations and noise than stock. However, not as much as you may think. The car's still perfectly drivable, and harshness is really not bad. Going over bad stretches of road, potholes, will exaggerate it though, they're definitely not stock in that sense.
I know that even M3 bushings already gives more vibration and noises to the cabin. Im interested to which level it will increase?
Also Im wondering about long livity of aftermarket bushings...