Quote:
Originally Posted by Polo08816
I'm not very impressed by the brakes of the M340. I think it's a step backwards from the M Sport Brake Option for the F30 335/340i which was a 370mm 4 piston front and 345mm 2 piston rear setup.
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I know!! BMW Audi Merc all eliminate fixed 2 pistons caliper for the rear in order to get electronic parking brake for less money(except for Audi R8 of course, not even AMG GTR). Cut cost!! If you want fixed caliper for the rear and also electronic parking brake, u need to have 2 calipers. One normal rear brake one mini parking caliper, like Tesla model S and X, Alfa Giulia QV, Most supercars. It costs more to get 2 calipers when u can make it work using only one, and shitty looking floating caliper. It is all about the cost. I don't know how Porsche and Corvette accomplish this with only 1 fixed rear caliper, maybe a electronic drum brake for parking?? But it costs more too. BBA (Bmw,Benz,Audi) are too damn cheap.