Originally Posted by aus
Why are you concerned about weight savings when it comes to brakes?
You WANT some mass there to give more thermal capacity.
The same reason for light weight wheels. Lowered unsprung weight impacts handling and acceleration. I think the weight savings from BBK's comes more from the calipers and the centers of the rotors and less from the clamping portion of the rotor.
'04 E46 M3 - Jet Black - Sold
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'13 E92 M3 - Alpine White - Ohlins TTX, AP Racing BBK, Cobra Seats, Akrapovic GT4, BBS E88, Volk TE37, OE GTS - Aero, 1/2 Cage & Seat Delete