{"product_id":"dynamite-friction-633-31067l-disc-brake-rotor-front-left","title":"Dynamite Friction 633-31067L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31067L) is engineered for reliable braking performance on select BMW models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the BMW 120i, 125i, 128i, 323i, 325i, 325xi, 328i, and 328xi.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 633-31067L\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW 120i, 125i, 128i, 323i, 325i, 325xi, 328i, 328xi\u003c\/li\u003e\n\u003cli\u003eDisc Diameter: 300 mm\u003c\/li\u003e\n\u003cli\u003eNominal Thickness: 24 mm; Discard Thickness: 22.4 mm\u003c\/li\u003e\n\u003cli\u003eVented, drilled and slotted directional surface\u003c\/li\u003e\n\u003cli\u003eHat finish with zinc black rust-resistant coating\u003c\/li\u003e\n\u003cli\u003e5 bolt holes with 14.7 mm diameter and 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 79 mm\u003c\/li\u003e\n\u003cli\u003eOverall height: 73.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: DFC Brake Rotor - Drilled and Slotted - Black\u003c\/h2\u003e\u003cp\u003eThe DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with a vented design to improve heat dissipation and reduce brake fade. The black zinc coating on the hat provides corrosion resistance, extending rotor life. This product line is tailored for drivers seeking enhanced braking performance and durability on compatible BMW vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a 300 mm outside diameter and a nominal thickness of 24 mm, with a discard thickness of 22.4 mm to ensure safe replacement intervals. The rotor is vented to allow better airflow and heat management during braking. Its surface is both drilled and slotted in a directional pattern, which helps evacuate gases, dust, and water, improving braking response and consistency. The rotor’s hat is finished with a zinc black coating to resist rust and corrosion, maintaining structural integrity over time. It includes five bolt holes with a diameter of 14.7 mm arranged on a 120 mm bolt circle diameter, matching the stud\/lug hole pattern for precise fitment on specified BMW models.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive or repeated braking\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent rotor warping\u003c\/li\u003e\n\u003cli\u003eEnhances braking performance in wet conditions by channeling water away\u003c\/li\u003e\n\u003cli\u003eMinimizes brake dust buildup for cleaner rotor surface\u003c\/li\u003e\n\u003cli\u003eProvides corrosion resistance to extend rotor lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is above the discard thickness of 22.4 mm before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Verify bolt hole alignment with the vehicle’s hub using the 120 mm bolt circle diameter and 14.7 mm bolt hole diameter. Proper torque specifications should be followed to avoid rotor distortion. This rotor is directional; install with the correct orientation to maintain optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the 633-31067L rotor to meet OEM standards for fit and function on compatible BMW models. The rust-resistant zinc black coating and vented design contribute to durability and consistent braking performance. Warranty information is available through Dynamite Friction and should be confirmed at the time of purchase.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51797405696181,"sku":"HBHR-633-31067L","price":107.93,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_63331067L_Fro.jpg?v=1774641905","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-633-31067l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}