{"product_id":"dynamite-friction-631-31099d-disc-brake-rotor","title":"Dynamite Friction 631-31099D Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview of the DFC Brake Rotor - Drilled and Slotted - Silver\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31099D) is engineered for BMW models including the 535i, 550i, 650i, and 7 Series variants. Designed to enhance braking performance, this rotor features a directional, slotted and drilled surface for improved heat dissipation and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 535i, 535i GT, 550i, 650i, 740i, and ActiveHybrid 7 models\u003c\/li\u003e\n\u003cli\u003eDirectional slotted and drilled disc surface for optimized brake pad contact\u003c\/li\u003e\n\u003cli\u003eRust resistant zinc silver hat finish for extended durability\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with 348 mm outside diameter\u003c\/li\u003e\n\u003cli\u003eDiscard thickness of 34.4 mm to ensure safe replacement intervals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a 348 mm outside diameter disc and a discard thickness of 34.4 mm, meeting the precise requirements for various BMW models such as the 535i GT xDrive and 650i Gran Coupe. The rotor’s surface combines drilled holes and slots arranged directionally to facilitate efficient heat dissipation and gas venting during braking. The zinc silver coating on the rotor hat provides corrosion resistance, helping maintain structural integrity and appearance over time. The plain disc finish complements the rotor’s functional design without additional coatings that could affect braking performance.\u003c\/p\u003e\u003ch2\u003eDFC Brake Rotor Product Line Information\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Silver is part of Dynamite Friction’s DFC line, which focuses on rotors designed for enhanced thermal management and durability. This product line incorporates drilled and slotted surfaces to reduce brake fade and improve pad bite, making it suitable for drivers seeking reliable braking performance on BMW vehicles. The silver zinc coating on the rotor hat adds a layer of rust resistance, aligning with the DFC line’s emphasis on longevity and consistent operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 535i, 550i, 650i, and 7 Series models\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during aggressive or prolonged braking\u003c\/li\u003e\n\u003cli\u003eAddresses brake noise and vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eHelps prevent rust and corrosion on rotor hats for extended service life\u003c\/li\u003e\n\u003cli\u003eMaintains consistent braking performance under varied driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the 631-31099D rotor, ensure the rotor surface is clean and free of any contaminants before mounting. The directional slotted and drilled design requires correct orientation to function properly; verify the rotation direction matches the vehicle’s wheel rotation. It is recommended to replace brake pads simultaneously to ensure optimal contact and performance. Torque all mounting hardware to manufacturer specifications to avoid rotor warping.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction’s DFC Brake Rotor line undergoes rigorous quality control to meet OEM standards for fitment and performance. The 631-31099D rotor includes a rust resistant coating to enhance durability. While specific warranty details are not provided here, Dynamite Friction products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389621403829,"sku":"HBHR-631-31099D","price":149.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63131099D_Fro.jpg?v=1774634397","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-631-31099d-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}