Hallo,
Front rotors are 348/30 not 32 and F30 has 370/30 but there was written min 28,4mm.
I don't know if It's possible only to change rotors for series calipers. Will do some measures on Sat and post them.
I tried a few hard brakings and it feels good
Can not compare to another BBK but I like them very much.
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EU E92 335i DCT, JB4, COBB, PFT
DP, BMW Performance exhaust, Vargas stg. 2 turbos, Wagner IC, K&N, Birds suspension (New B16 ride control for sale), M3 sway bars, Quaife, walbro E85 LPFP, E85 with 100 pump gas,