This was an interview with one of the engineers about the steel brakes of the M2/M3/M4... I find it very strange what he says about changing the discs each time when your track pads are worn out. With my AP racing discs on my Z4M is do around 6x brake pad changes until the discs arrive at their minimum thickness and need a change
There is a minimum thickness that a discs needs to have...I can not imagine that after one set of track brake pads you need to change your OEM M2 discs because they are to thin?
