EBC Big Brake Kit for 2012–2019 BMW 3 Series (F30/F31/F34) pairing red Apollo‑4 calipers with swept‑groove two‑piece 330 mm front rotors. This package lists 330 mm diameter discs in a two‑piece format with roughly 26–28 mm disc thickness, intended as a direct front upgrade to replace OEM hardware and provide larger grooved rotors matched to painted multi‑piston calipers.
EBC Racing 12-19 BMW 3-Series (F30/F31/F34) Red Apollo-4 Calipers 330mm Rotors Front Big Brake Kit