{"product_id":"girodisc-bmw-e46-e9x-front-rotors","title":"Girodisc BMW E46 M3, E9X M3, 1M, 335i 2-Piece Front Rotors","description":"\u003cp\u003eGirodisc 2-piece front rotors for every application in this range, in one listing. Choose your car in the \u003cstrong\u003eApplication\u003c\/strong\u003e drop-down, then choose \u003cstrong\u003eFull rotors with hats\u003c\/strong\u003e (complete assemblies, ready to install) or \u003cstrong\u003eReplacement rings only\u003c\/strong\u003e if you already run Girodisc hats.\u003c\/p\u003e\u003ch3\u003eApplication guide\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eFull rotors (pair)\u003c\/th\u003e\n\u003cth\u003eRings only (pair)\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eE90 \/ E92 \/ E93 M3, E82 1M\u003c\/td\u003e\n\u003ctd\u003eA1-157 – $1,250\u003c\/td\u003e\n\u003ctd\u003eD1-157 – $780\u003c\/td\u003e\n\u003ctd\u003eDirect bolt-on replacement, factory calipers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE46 M3 \u0026amp; Z4M – 345 mm (ZCP \/ CSL, Porsche 996 or Mégane RS caliper swaps)\u003c\/td\u003e\n\u003ctd\u003eA1-012 – $1,150\u003c\/td\u003e\n\u003ctd\u003eD1-012 – $680\u003c\/td\u003e\n\u003ctd\u003eReplaces the 345 mm front rotors used on Competition Package and CSL cars; also sized for the common Porsche 996 Brembo and Renault Mégane RS caliper swaps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE90 \/ E92 335i\u003c\/td\u003e\n\u003ctd\u003eA1-114 – $1,050\u003c\/td\u003e\n\u003ctd\u003eD1-114 – $680\u003c\/td\u003e\n\u003ctd\u003eDirect bolt-on replacement, factory calipers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCorrect fitment depends on the brake package your car left the factory with (rotor diameter, iron vs. PCCB \/ carbon-ceramic, caliper colour). If you are unsure, contact PHD Racing with your VIN before ordering and we will confirm the part number.\u003c\/p\u003e\u003ch3\u003eGirodisc 2-piece floating rotors\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIron friction ring on a 6061-T6 aluminum hat – cuts unsprung and rotating weight vs. the one-piece factory disc.\u003c\/li\u003e\n\u003cli\u003eCurved, directional cooling vanes act as a centrifugal pump, pulling air through the disc under repeated hard stops.\u003c\/li\u003e\n\u003cli\u003ePin-drive float system with anti-noise spring washers: the ring grows with heat and self-centers without the cold rattle of a race-style floating rotor.\u003c\/li\u003e\n\u003cli\u003eRings cast from Girodisc's own high-carbon iron and machined in-house in Bellingham, WA; hats machined from US-sourced aluminum.\u003c\/li\u003e\n\u003cli\u003eKeeps the factory calipers, brake bias and ABS behaviour. Sold in pairs, directional (left\/right).\u003c\/li\u003e\n\u003cli\u003eServiceable: when the rings wear out, order the \u003cem\u003eReplacement rings only\u003c\/em\u003e variant and keep your Girodisc hats. Replacement rings fit Girodisc hats only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eProduct photos are supplied by Girodisc and are representative of the product family; hat design and ring size vary by application.\u003c\/em\u003e\u003c\/p\u003e","brand":"Girodisc","offers":[{"title":"E90 \/ E92 \/ E93 M3, E82 1M \/ Full rotors with hats","offer_id":52753098178834,"sku":"A1-157","price":1250.0,"currency_code":"USD","in_stock":true},{"title":"E90 \/ E92 \/ E93 M3, E82 1M \/ Replacement rings only (Girodisc hats)","offer_id":52753098211602,"sku":"D1-157","price":780.0,"currency_code":"USD","in_stock":true},{"title":"E46 M3 \u0026 Z4M – 345 mm (ZCP \/ CSL, Porsche 996 or Mégane RS caliper swaps) \/ Full rotors with hats","offer_id":67576007131410,"sku":"A1-012","price":1150.0,"currency_code":"USD","in_stock":true},{"title":"E46 M3 \u0026 Z4M – 345 mm (ZCP \/ CSL, Porsche 996 or Mégane RS caliper swaps) \/ Replacement rings only (Girodisc hats)","offer_id":67576007164178,"sku":"D1-012","price":680.0,"currency_code":"USD","in_stock":true},{"title":"E90 \/ E92 335i \/ Full rotors with hats","offer_id":67576007196946,"sku":"A1-114","price":1050.0,"currency_code":"USD","in_stock":true},{"title":"E90 \/ E92 335i \/ Replacement rings only (Girodisc hats)","offer_id":67576007229714,"sku":"D1-114","price":680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/5502\/9357\/files\/408mm72v__34247.1677861524.jpg?v=1790354731","url":"https:\/\/phdracing.store\/products\/girodisc-bmw-e46-e9x-front-rotors","provider":"PHD Racing","version":"1.0","type":"link"}