{"product_id":"m2-m3-m4-g8x-370mm-rotor-set","title":"M2\/M3\/M4 G8X 370mm Rear Rotor Set","description":"\u003cp data-start=\"0\" data-end=\"352\"\u003eThe Girodisc 370mm rotor set is a \u003cstrong data-start=\"34\" data-end=\"59\"\u003edirect OE replacement\u003c\/strong\u003e for G8X M2 \/ M3 \/ M4 models equipped with the \u003cstrong data-start=\"106\" data-end=\"131\"\u003efactory blue calipers\u003c\/strong\u003e. It bolts on with \u003cstrong data-start=\"150\" data-end=\"170\"\u003eno modifications\u003c\/strong\u003e, retains \u003cstrong data-start=\"180\" data-end=\"215\"\u003eOEM brake bias and ABS behavior\u003c\/strong\u003e, and delivers a major performance upgrade through reduced rotating mass, improved heat management, and serviceable 2-piece construction.\u003c\/p\u003e\n\u003ch2 data-start=\"545\" data-end=\"555\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"556\" data-end=\"707\"\u003e\n\u003cli data-start=\"556\" data-end=\"606\"\u003e\n\u003cp data-start=\"558\" data-end=\"606\"\u003e\u003cstrong data-start=\"558\" data-end=\"606\"\u003eBMW G8X M2 \/ M3 \/ M4 — factory blue calipers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"607\" data-end=\"707\"\u003e\n\u003cp data-start=\"609\" data-end=\"707\"\u003e\u003cstrong data-start=\"609\" data-end=\"646\"\u003eNot for carbon ceramic brake cars\u003c\/strong\u003e (CCB requires Girodisc iron conversion\/replacement)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"714\" data-end=\"728\"\u003eRotor Specs\u003c\/h2\u003e\n\u003cul data-start=\"729\" data-end=\"783\"\u003e\n\u003cli data-start=\"729\" data-end=\"752\"\u003e\n\u003cp data-start=\"731\" data-end=\"752\"\u003e\u003cstrong data-start=\"731\" data-end=\"744\"\u003eDiameter:\u003c\/strong\u003e 370mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"753\" data-end=\"783\"\u003e\n\u003cp data-start=\"755\" data-end=\"783\"\u003e\u003cstrong data-start=\"755\" data-end=\"767\"\u003eSold as:\u003c\/strong\u003e pair (2 rotors)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"790\" data-end=\"817\"\u003eConstruction \u0026amp; Materials\u003c\/h2\u003e\n\u003cul data-start=\"818\" data-end=\"1138\"\u003e\n\u003cli data-start=\"818\" data-end=\"853\"\u003e\n\u003cp data-start=\"820\" data-end=\"853\"\u003e\u003cstrong data-start=\"820\" data-end=\"853\"\u003e2-piece floating rotor system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"854\" data-end=\"930\"\u003e\n\u003cp data-start=\"856\" data-end=\"930\"\u003e\u003cstrong data-start=\"856\" data-end=\"881\"\u003eHat (center section):\u003c\/strong\u003e U.S.-sourced \u003cstrong data-start=\"895\" data-end=\"930\"\u003e6061-T6 aircraft-grade aluminum\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"931\" data-end=\"1022\"\u003e\n\u003cp data-start=\"933\" data-end=\"1022\"\u003e\u003cstrong data-start=\"933\" data-end=\"948\"\u003eRotor ring:\u003c\/strong\u003e Girodisc \u003cstrong data-start=\"958\" data-end=\"983\"\u003eproprietary cast iron\u003c\/strong\u003e (poured in the USA, machined in-house)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1023\" data-end=\"1138\"\u003e\n\u003cp data-start=\"1025\" data-end=\"1138\"\u003e\u003cstrong data-start=\"1025\" data-end=\"1041\"\u003eVane design:\u003c\/strong\u003e \u003cstrong data-start=\"1042\" data-end=\"1058\"\u003ecurved vanes\u003c\/strong\u003e to act as a centrifugal pump, pulling cooling air through the rotor at speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1145\" data-end=\"1184\"\u003eFloating Hardware (Noise-Controlled)\u003c\/h2\u003e\n\u003cul data-start=\"1185\" data-end=\"1557\"\u003e\n\u003cli data-start=\"1185\" data-end=\"1287\"\u003e\n\u003cp data-start=\"1187\" data-end=\"1287\"\u003e\u003cstrong data-start=\"1187\" data-end=\"1230\"\u003e10 high-strength alloy steel drive pins\u003c\/strong\u003e (Girodisc-made, cadmium plated for corrosion resistance)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1335\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1335\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1313\"\u003eClass 12.9 hardware\u003c\/strong\u003e with hardened washers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1443\"\u003e\n\u003cp data-start=\"1338\" data-end=\"1443\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1367\"\u003eAnti-noise spring washers\u003c\/strong\u003e on the rotor side to reduce cold rattle while still allowing heat expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1557\"\u003e\n\u003cp data-start=\"1446\" data-end=\"1557\"\u003eFloating design allows the rotor to \u003cstrong data-start=\"1482\" data-end=\"1514\"\u003eself-center between the pads\u003c\/strong\u003e and manage thermal growth more effectively\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GiroDisc","offers":[{"title":"Default Title","offer_id":52178243158197,"sku":"A2-282","price":1350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/2500\/6517\/files\/1_340bca65-9145-4554-aa46-a8b5d34ce447.jpg?v=1768792539","url":"https:\/\/opusautoworks.ca\/products\/m2-m3-m4-g8x-370mm-rotor-set","provider":"OPUS Autoworks","version":"1.0","type":"link"}