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EBC Big Brake Kit for 2012–2019 BMW 3 Series (F30/F31/F34) combining blue Apollo‑4 calipers with swept‑groove two‑piece 355 mm front rotors. The kit uses 355 mm diameter discs with about 30–32 mm disc thickness and a two‑piece construction, delivering a straightforward front brake conversion when increased rotor size and grooved surfaces are required to match upgraded pad or caliper fitment.
EBC Racing 12-19 BMW 3-Series (F30/F31/F34) Blue Apollo-4 Calipers 355mm Rotors Front Big Brake Kit
