Originally Posted by BMW-M-Mexico
I was not aware there are several BBK's for this vehicle. But anyway, it is the 380mm rotor all around package with 6/4 pot calipers front/rear. Net weight savings is about 40 lbs.
Yep... BREMBO & STOPTECH (one of the members has it here) both make a BBK for the new M3.
Which company makes yours? you didnt specify a brand!