Quote:
Originally Posted by WDE82
BMW seems to think the 6 piston 135i calipers/rotors with the 328i rear 42mm calipers is fine and with a stock master cylinder.
The DSC needs to be coded with a VO containing +SPBR for the system to work correctly again. It changes a few coefficients. Somehow it also changed my pedal feel.
The 135i fronts are 2437 mm^2 (338x26 rotor) area and the F30 fronts are 2513 mm^2 (340x30 rotor). I chose the F30 calipers because the 135i's crack and the rotor is more massive.
135i/335i/328i master cylinder isn't a bad idea. Mine's in the mail.
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Is it reasonable to assume that the ABS calibration is being changed with that coding to match the new brake bias?
A 135i rotor would be 5mm smaller in radius to an E90 335i rotor. Wouldn't that put the pad off the edge of the rotor? I've gone with the 2-piece Z4 35is 348mm rotor.