{"product_id":"ecs-tuning-2-piece-lightweight-front-brake-rotors-pair-300x22-e46","title":"ECS Tuning 2-Piece Lightweight Front Brake Rotors\/Discs, Drilled \u0026 Slotted, Semi-Floating, 300x22mm - Pair - Fits BMW E46 323i 325i 328i 325xi, Z3 3.0, Z4 3.0","description":"\u003cdiv\u003e\n  \u003ch2\u003eECS Tuning 2-Piece Lightweight Front Brake Rotors - Pair 300x22 - BMW E46 Performance Brake Discs\u003c\/h2\u003e\n\n  \u003cp\u003eSerious about your BMW E46 stopping power and handling? These ECS Tuning 2-piece lightweight front brake rotors are a direct bolt-on upgrade for 300x22 mm applications. Cross-drilled and slotted, heat treated, and semi-floating, they deliver the performance brake upgrade E46 owners search for: reduced unsprung weight, faster heat dissipation, sharper pedal feel, and outstanding resistance to brake fade and warping. Better handling, better acceleration, and better braking.\u003c\/p\u003e\n\n  \u003cp\u003eWe have fitted these on customer cars and the feedback has been excellent. If you want a BMW E46 brake upgrade that works on the road and stands up to spirited driving and track days, these ECS Tuning front rotors are a proven choice.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy upgrade to ECS 2-piece rotors\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWeight saving - 3.6 lb per rotor compared to OE. Each rotor is approx 12 lb versus a 15.6 lb stock rotor.\u003c\/li\u003e\n    \u003cli\u003eReduce heat and warping - semi-floating design allows radial expansion of the ring to resist distortion under extreme temperature cycles.\u003c\/li\u003e\n    \u003cli\u003eImprove response - lower rotational mass for quicker acceleration and more responsive turn-in.\u003c\/li\u003e\n    \u003cli\u003eShorter, more consistent stops - drilled and slotted faces cleanse pads, vent gases, and improve wet weather performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey features and construction\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSize - 300 mm x 22 mm front rotors, supplied as a matched pair.\u003c\/li\u003e\n    \u003cli\u003e2-piece semi-floating - rotor rings bolted to lightweight aluminium hats to cut unsprung mass and shed heat quickly.\u003c\/li\u003e\n    \u003cli\u003eAluminium hats - high quality 6061 aluminium, hard anodised in matte black for durability and corrosion resistance.\u003c\/li\u003e\n    \u003cli\u003eGrey cast iron rings - chosen for stable friction and excellent heat absorption and dissipation.\u003c\/li\u003e\n    \u003cli\u003eHeat treated rings - increased stiffness and strength for long-term performance.\u003c\/li\u003e\n    \u003cli\u003eCross-drilled and slotted - chamfered holes and ball end milled slots help prevent cracking, clean the pad surface, and move water and dust away.\u003c\/li\u003e\n    \u003cli\u003eQuality finish - non-friction surfaces including internal vents are painted to resist salt and road grime, with precision ground braking faces for easy pad bedding.\u003c\/li\u003e\n    \u003cli\u003eIncludes ECS stainless rotor set screws - a smart upgrade that replaces rusty factory fasteners.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility - BMW applications\u003c\/h3\u003e\n  \u003cp\u003eDirect fit for models with 300x22 mm front discs. Always confirm your existing front rotor size before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW E46 323Ci - M52 2.5\u003c\/li\u003e\n    \u003cli\u003eBMW E46 323i - M52 2.5\u003c\/li\u003e\n    \u003cli\u003eBMW E46 325Ci - M54 2.5\u003c\/li\u003e\n    \u003cli\u003eBMW E46 325i - M54 2.5\u003c\/li\u003e\n    \u003cli\u003eBMW E46 325xi - M54 2.5\u003c\/li\u003e\n    \u003cli\u003eBMW E46 328Ci - M52 2.8\u003c\/li\u003e\n    \u003cli\u003eBMW E46 328i - M52 2.8\u003c\/li\u003e\n    \u003cli\u003eBMW Z3 3.0i - M54 3.0\u003c\/li\u003e\n    \u003cli\u003eBMW Z4 3.0i - M54 3.0\u003c\/li\u003e\n    \u003cli\u003eBMW Z4 3.0i - N52 3.0\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat you gain on the road\u003c\/h3\u003e\n  \u003cp\u003eLower unsprung weight and reduced rotational inertia give your E46 a more agile front end, improved ride control, and stronger, more repeatable braking. Cross-drilled and slotted faces keep pads clean and consistent, while the semi-floating two-piece design and heat treatment fight the warping and fade that can plague conventional one-piece rotors.\u003c\/p\u003e\n\n  \u003ch3\u003eFitting service\u003c\/h3\u003e\n  \u003cp\u003eProfessional fitting available at Nforcd in Warwickshire. To request a fitting quote or discuss your setup, email Sales@nforcd.com.\u003c\/p\u003e\n\n  \u003ch3\u003ePopular search terms\u003c\/h3\u003e\n  \u003cp\u003eECS Tuning E46 front brake discs, ECS 2-piece rotors E46, BMW E46 300x22 front discs, E46 drilled and slotted brake discs, E46 lightweight brake rotors, semi floating rotors BMW E46, BMW 323i 325i 328i 325xi brake upgrade, BMW Z3 3.0 front discs, BMW Z4 3.0 brake discs, performance brake upgrade E46, cross drilled and grooved brake discs E46.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":42447690236092,"sku":"ES2986438","price":626.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/products\/dsd__88573.1533826115.jpg?v=1673106437","url":"https:\/\/www.nforcd.com\/products\/ecs-tuning-2-piece-lightweight-front-brake-rotors-pair-300x22-e46","provider":"Nforcd","version":"1.0","type":"link"}