{"product_id":"dynamite-friction-631-31028l-disc-brake-rotor-rear-left","title":"Dynamite Friction 631-31028L Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31028L) is engineered for BMW models including the 318i, 318is, 323i, 323is, 325i, 325is, 328i, and 328is. This solid disc brake rotor features a directional, drilled and slotted surface designed to enhance braking performance and heat dissipation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 631-31028L\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 318i, 318is, 323i, 323is, 325i, 325is, 328i, 328is\u003c\/li\u003e\n\u003cli\u003eDisc Type: Solid, drilled and slotted\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 10 mm; Discard Thickness: 8.4 mm\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 280 mm; Overall Height: 60.1 mm\u003c\/li\u003e\n\u003cli\u003eBolt Hole Quantity: 5; Bolt Hole Diameter: 15 mm; Bolt Circle Diameter: 120 mm\u003c\/li\u003e\n\u003cli\u003eHat Finish: Zinc silver with rust-resistant coating\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface for optimized performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is designed to meet the braking demands of select BMW vehicles. This rotor features a solid construction with a 280 mm outside diameter and a nominal thickness of 10 mm, ensuring durability and consistent braking response. The drilled and slotted surface improves heat dissipation and helps reduce brake fade under heavy use, while the directional design optimizes water and debris evacuation from the braking surface.\u003c\/p\u003e\u003cp\u003eThe rotor’s hat is finished in zinc silver and includes a rust-resistant coating to protect against corrosion, extending the rotor’s service life. With a bolt hole pattern of 5 holes at 15 mm diameter and a bolt circle diameter of 120 mm, this rotor is engineered for precise fitment on compatible BMW models. The center hole diameter measures 75 mm, matching OEM specifications for proper hub alignment.\u003c\/p\u003e\u003ch2\u003eDFC Brake Rotor - Drilled and Slotted - Silver Product Line\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on providing rotors with enhanced surface features such as drilling and slotting to improve braking efficiency and thermal management. This product line is designed for drivers seeking rotors that maintain performance under demanding conditions while offering corrosion resistance and reliable fitment for specific vehicle applications.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive or prolonged braking\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to maintain consistent braking performance\u003c\/li\u003e\n\u003cli\u003eHelps evacuate water and debris for safer braking in wet conditions\u003c\/li\u003e\n\u003cli\u003ePrevents rust and corrosion with zinc silver hat finish and coating\u003c\/li\u003e\n\u003cli\u003eRestores OEM braking feel and fitment on compatible BMW models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness of 8.4 mm before installation\u003c\/li\u003e\n\u003cli\u003eVerify bolt hole pattern and center hole diameter match vehicle specifications\u003c\/li\u003e\n\u003cli\u003eClean rotor surface and hub mounting area before installation to prevent uneven wear\u003c\/li\u003e\n\u003cli\u003eTorque lug nuts to manufacturer specifications to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads for wear and replace if necessary when installing new rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 631-31028L rotor to meet strict quality standards, including rust-resistant coatings and precise machining for fitment accuracy. While no specific warranty information is provided, the product is designed to meet OEM specifications for the listed BMW models, ensuring reliable performance and durability.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51794113757365,"sku":"HBHR-631-31028L","price":75.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131028L_Fro.jpg?v=1774641349","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31028l-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}