Quote:
Originally Posted by SYT_Shadow
ah, and some of us still remember all the marketing when I was debating PFC vs AP, and was told the AP kit had more vanes and due to that it lasted longer. Perhaps not.
My E90 PFC rear rotors have over 30 days on them. Their durability is in a different planet than the AP stuff. PFC FTW
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Amazing. My rears on the AP kit are also fine, I haven't had to replace those and don't expect to anytime soon. I go through one set of pads in the rear for every 3 sets of pads in the front (with the 9446 kit).
I looked at my current rotors a little more closely with my racing/mechanic buddy that owns ashop locally. He thinks they will be fine until I finish these pads, which is probably 2 more days.
So the rotor redesign is probably closer to 75-90% longer life than before, depending on the track. This will be around 9-10 track days.
So basically 2 sets of pads for every 1 set of rotors is the general burn rate.