{"product_id":"ebc-bmw-e84-e90-e91-f36-slotted-and-dimpled-sport-front-discs-ate-caliper-inc-325i-320i-420i-x1-28i","title":"EBC GD1663 BMW Front Slotted \u0026 Dimpled Sport Brake Discs for ATE Calipers - E84 X1, E90\/E91 \u0026 F30\/F31 3 Series, F32\/F33\/F36 4 Series, F20\/F21 1 Series, F22\/F23 2 Series (incl. 320i 325i 420i X1 28i) - Thermic Black Coated","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eEBC GD1663 Front Performance Rotors for BMW with ATE Front Calipers\u003c\/h2\u003e\n\n  \u003cp\u003eTransform your stopping power with EBC GD1663 front grooved and dimpled rotors. Built for fast-road use and confident daily driving, these heat-managed discs pull cooling air across the face to help control temperatures, curb fade and keep pedal feel consistent. The dimple pattern vents gases without full cross-drilling, reducing the risk of stress cracking. Finished in a smart black anti-corrosion coating for an OE-plus look that lasts.\u003c\/p\u003e\n\n  \u003cp\u003eWe have installed GD Series rotors on customer cars and our own builds at MJ Modifications and the feedback has been superb. Sharper initial bite, steady braking under repeated stops and a more reassuring pedal. If you want a proven upgrade for ATE-equipped BMW models, GD1663 is a standout choice.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose GD1663\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eGrooved face sweeps the pad to help maintain a clean contact surface and even pad wear\u003c\/li\u003e\n    \u003cli\u003eDimpled design releases friction gases while avoiding the cracking risk linked to fully drilled patterns\u003c\/li\u003e\n    \u003cli\u003eDirectional slots aid airflow to manage heat and reduce fade during spirited road use\u003c\/li\u003e\n    \u003cli\u003eThermic Black coating helps resist rust for long-lasting good looks behind your wheels\u003c\/li\u003e\n    \u003cli\u003eStable, confidence-inspiring pedal feel and strong bite with quality road pads\u003c\/li\u003e\n    \u003cli\u003eEngineered specifically for ATE front caliper applications\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment - ATE front calipers only\u003c\/h3\u003e\n  \u003cp\u003ePart number: \u003cstrong\u003eGD1663\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eFor BMW models using ATE front calipers, including:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series F20 F21 - petrol and diesel variants such as 120i, 125i, xDrive\u003c\/li\u003e\n    \u003cli\u003e2 Series F22 F23 - 220i, 225i, xDrive models\u003c\/li\u003e\n    \u003cli\u003e3 Series E90 E91 E92 E93 - 318i, 320i, 325i, xDrive variants\u003c\/li\u003e\n    \u003cli\u003e3 Series F30 F31 F34 - 320i, 320i xDrive and related petrol or diesel trims\u003c\/li\u003e\n    \u003cli\u003e4 Series F32 F33 F36 - 420i, 420i xDrive and related petrol or diesel trims\u003c\/li\u003e\n    \u003cli\u003eX1 E84 - 18i, 20i, 28i, 16d, 18d, 20d, 25d\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003ePopular applications include 320i, 325i, 420i and X1 28i. If you are unsure which front calipers your car has, contact us and we will confirm before you buy.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat you get\u003c\/h3\u003e\n  \u003cp\u003eEBC GD Series front grooved and dimpled rotors in Thermic Black for the ATE applications listed above.\u003c\/p\u003e\n\n  \u003ch3\u003eReal-world notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBecause of the performance slotting, a slight whoosh under hard braking is normal\u003c\/li\u003e\n    \u003cli\u003eBed in with care for optimum performance and pad life\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003eEBC one year or 10,000 miles warranty.\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting and support\u003c\/h3\u003e\n  \u003cp\u003eWant these installed properly first time? Book fitting with MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a quote. Include your registration and VIN so we can verify ATE calipers and confirm compatibility quickly.\u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003eBMW front rotors, grooved brake discs BMW, dimpled brake rotors, fast road brake upgrade, EBC GD series front, coated brake rotors black, anti-corrosion discs, ATE caliper rotor upgrade, BMW F30 front rotors, BMW E90 front grooved discs, BMW F32 420i front brakes, BMW F20 performance discs, BMW F22 brake upgrade, BMW E84 X1 front rotors, cool-running slotted rotors, fade-resistant brake discs, vented performance rotors, front brake upgrade kit, premium coated rotors, part number GD1663.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"EBC","offers":[{"title":"Default Title","offer_id":56005663162754,"sku":null,"price":250.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/s-l500_1_ca0c9ae2-39a9-4a3d-84fe-547503b593e2.jpg?v=1764021290","url":"https:\/\/mjmodifications.co.uk\/products\/ebc-bmw-e84-e90-e91-f36-slotted-and-dimpled-sport-front-discs-ate-caliper-inc-325i-320i-420i-x1-28i","provider":"MJ Modifications","version":"1.0","type":"link"}