Originally Posted by Richard@M-World
If the pistons are non-staggered, that would be the cause of taper wear. All the bbk's I've seen for the M3 offer staggered piston sizes. Perhaps there is a special reason for Alcon's design?
Perhaps - according to schematics on their site, they have staggered pistons in cheaper sets but not in this one. Beats me why they decided to do so. As soon as I confirm who the original vendor was, I'll try to investigate with them or manufacturer.