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Have now done about 13,000km on the front and rear big brake setup since swapping it to the 2014 car, and still pretty happy with it.
When I swapped the rears from the 2011 to the 2014, I ditched the Porterfield R4-S pads as they dusted like crazy, were chewing up the discs, and gave too much rear bias.
Put Carbotech 1521 pads in there, the same compound as the front and had the rear discs machined.
Due to the very low-wear nature of the 1521s plus machined discs, it took thousands of kms for the rear brakes to bed in and reach peak effectiveness.
Overall the system is pretty good now, despite my considered choice to run pads with a much lower friction coefficient than the fairly good OEM ECE R90 and GG-friction rated pads.
Has anybody had any success with DSC coding to get a higher and/or more effective pedal?
The F30 and F15 guys can do it (usually for M sport or M perf brake upgrades) and apparently makes quite a noticeable improvement.
F25/F26 didn't have any OEM or M perf brake hardware variation though other than the slightly larger F26 M40i fronts, unlike other models that had 3,4,5 different disc and caliper combinations, which could limit DSC coding options.
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