2012-2018 BMW 3 Series / M3 (F30/F31/F80) Carbon Ceramic Big Brake Kit — Brembo Shelby GT500 6-Piston Z4 You reuse your factory calipers

You reuse your factory calipers and mounting points

where a heavy SUV shifts load under braking

which keeps pedal feel firm and repeatable when you're hauling down a heavy 3-ton MPV like the D9

that is normal physics

and floating hardware to your factory F97 4-piston front and rear calipers

2012-2018 BMW 3 Series / M3 (F30/F31/F80) Carbon Ceramic Big Brake Kit — Brembo Shelby GT500 6-Piston Z4 You reuse your factory calipersReal Customer Builds & Reviews View All Will This Fit My Car? Full Upgrade CCB Big Brake Kits (With Calipers) for the 2012 2018 BMW 3 Series M3 (F30 F31 F80). This page's exact brake setup: Model Years Front Setup Rear Setup Min. Wheel Size 2012 2018 Brembo OEM Ford Shelby GT500 Mustang 6 Piston Caliper 380mm Option 1: Brembo OEM Cadillac CTS V 4 Piston Caliper 355 mm rotor Option 2: Brembo GT M4 4 Piston Caliper 355 mm rotor Option 3: Brembo GT S4 4