{"product_id":"mmx-performance-g8x-m2-m3-m4-2-piece-floating-carbon-ceramic-rotor-conversion-rear-370x24mm","title":"MMX Performance G8X M2 \/ M3 \/ M4 Carbon Ceramic Rear Rotor 370x24mm","description":"\u003cp\u003eThe MMX Performance carbon ceramic rear rotor is the matching rear-axle component to MMX's iron-to-CCB front conversion, engineered as a direct plug-and-play upgrade for the factory iron brake setup on the G80 M3, G82\/G83 M4 and G87 M2. No caliper swap, no bracket changes, no recalibration: it bolts to the OE iron-brake hardware and converts the rear axle to full carbon ceramic.\u003c\/p\u003e\n\n\u003cp\u003eThe carbon ceramic construction handles heat, fade, and weight in a way iron rotors fundamentally cannot. At 4.45kg per disc (46% lighter than the factory steel unit) the unsprung-mass and rotating-inertia benefits are immediately felt. The rear axle responds faster, the car feels lighter on its toes, and the brake bias stays consistent from the first stop to the last lap of a hot session.\u003c\/p\u003e\n\n\u003cp\u003eFor G8X M-Cars driven hard, the rear axle is where steel rotors hit their thermal limit first, smaller discs, more concentrated heat, and the consequences show up as inconsistent pedal feel and uneven pad wear. The CCM rear rotor flips that limit: dramatically lower operating temperatures, minimal fade across consecutive heavy braking events, and predictable brake balance under both road and track use.\u003c\/p\u003e\n\n\u003cp\u003eThe 2-piece floating design pairs the ceramic rotor ring with a separate anodized hat so the ring can expand radially and axially as it absorbs heat, eliminating the warping and cracking common in single-piece performance rotors. The cross-drilled rotor face evacuates gas and pad material under hard use, a profile that CCM tolerates exceptionally well thanks to the material's thermal characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDimensions: 370mm x 24mm\u003c\/li\u003e\n  \u003cli\u003eWeight: 4.45 kg per disc: 46% lighter than factory steel\u003c\/li\u003e\n  \u003cli\u003e2-piece floating design (rotor ring + separate hat)\u003c\/li\u003e\n  \u003cli\u003eCross-drilled rotor face for gas and pad evacuation\u003c\/li\u003e\n  \u003cli\u003eAnodized black hat\u003c\/li\u003e\n  \u003cli\u003eSKU MMR30-1604-R\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m2-g87\"\u003eBMW M2 (G87)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m3-g80\"\u003eBMW M3 (G80)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/collections\/m4-g82-g83\"\u003eBMW M4 (G82 \/ G83)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Products\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/mmx-performance-g8x-m2-m3-m4-2-piece-floating-carbon-ceramic-rotor-conversion-front-380x36mm\"\u003eMMX Performance G8X M2 \/ M3 \/ M4 2-Piece Floating Carbon Ceramic Rotor Conversion, Front 380x36mm (matching front axle CCB set)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/ind-distribution.com\/products\/mmr-performance-g8x-m2-m3-m4-2-piece-370mm-rear-rotors\"\u003eMMX Performance G8X M2 \/ M3 \/ M4 2-Piece Floating Rotor Set, Rear 370x24mm (iron alternative)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits G8X M-Cars equipped with factory iron brakes only, this is an iron-to-CCB conversion product.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory iron brakes only.\u003c\/strong\u003e This is an iron-to-CCB conversion product. Cars equipped with factory carbon ceramic brakes (CCB) cannot use this rotor as a direct bolt-on.\u003c\/li\u003e\n  \u003cli\u003ePairs with the matching 380x36mm front CCB rotor (MMR30-1603-F) for a full-axle iron-to-CCB conversion.\u003c\/li\u003e\n  \u003cli\u003eIncludes a 1-year manufacturer warranty against defects in materials and workmanship\u003c\/li\u003e\n  \u003cli\u003eDesigned and tested in the United Kingdom\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IND Distribution","offers":[{"title":"Default Title","offer_id":47411641024706,"sku":"MMR30-1604R","price":7326.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0784\/7874\/files\/mmx-performance-g8x-m2-m3-m4-carbon-ceramic-rotor-rear-370x24mm-white-background.jpg?v=1776276771","url":"https:\/\/grocerygetterperformance.com\/products\/mmx-performance-g8x-m2-m3-m4-2-piece-floating-carbon-ceramic-rotor-conversion-rear-370x24mm","provider":"Grocery Getter Performance","version":"1.0","type":"link"}