Originally Posted by pixelblue
ok care to explain your little magic? it seems you have fitted an M rotor with the 135 caliper. what are all the extra hardware for? what are the dimensions on the M rotor? looks promising!
135i rotors = 338mm X 26mm's
1M rotors = 360mm X 30mm's
I am not so sure that red brake caliper is a 135i unit though. It looks more slender. ? It odes have those harmonic ballancers on the ends though.