Quote:
Originally Posted by chris719
BMW and others just buy whatever Brembo's current system is and Brembo works with them to customize it for their application. I believe Mercedes and Audi are using sliding rear calipers now too in a lot of high performance models because Brembo has pushed them in this direction. The reality is that even though it looks ugly, you can see the braking performance is improved in G8x. It helps them be able to use the electronic parking brake, too.
If you think about it, a single piston slider was good enough for E92 M3 front brakes. They weren't the best brakes, but that front caliper was doing a hell of a lot more work than the rears here. Saves weight too.
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I did watch a DIY to change the rear pads on this new e-brake single piston caliper and it is a bit more of a pain than the rears on cars prior. But yeah, outside of looking kind of strange/funny, it clearly can do the job