{"product_id":"dynamite-friction-830-31051l-disc-brake-rotor-front-left","title":"Dynamite Friction 830-31051L Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview of Dynamite Friction DFC Geoperformance Rotor\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-31051L) is engineered for BMW 530i and 540i models. This vented disc brake rotor combines drilled and slotted surface features to enhance braking performance and heat dissipation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 530i and 540i models\u003c\/li\u003e\n\u003cli\u003eDirectional drilled and slotted surface for improved brake pad contact\u003c\/li\u003e\n\u003cli\u003eVented rotor design for efficient heat dissipation\u003c\/li\u003e\n\u003cli\u003eRust resistant coating to extend rotor life\u003c\/li\u003e\n\u003cli\u003eGeospec silver grey hat finish for corrosion resistance and aesthetics\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 30 mm with discard thickness at 28.4 mm\u003c\/li\u003e\n\u003cli\u003e5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 324 mm and height of 73.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe 830-31051L rotor from Dynamite Friction is part of the DFC Geoperformance Rotor - Drilled and Slotted line, designed specifically for BMW 530i and 540i vehicles. This rotor features a vented construction that helps maintain optimal operating temperatures by allowing air to flow through the rotor, reducing the risk of brake fade during demanding driving conditions. The directional drilled and slotted surface improves water and debris evacuation while enhancing pad bite and braking consistency.\u003c\/p\u003e\u003cp\u003eThe rotor’s nominal thickness is 30 mm, with a discard thickness of 28.4 mm, ensuring durability and safety over its service life. The rotor’s hat is finished in Geospec silver grey, providing corrosion resistance and a clean appearance. Additionally, the rotor includes a rust resistant coating to further protect against environmental damage. The 5-bolt hole pattern with a 14.6 mm diameter and 120 mm bolt circle diameter matches the OEM specifications for a secure fitment.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement rotor for worn or warped rotors on BMW 530i and 540i\u003c\/li\u003e\n\u003cli\u003eImproves braking performance under wet or high-heat conditions\u003c\/li\u003e\n\u003cli\u003eReduces brake fade during aggressive or extended braking\u003c\/li\u003e\n\u003cli\u003eHelps prevent rust and corrosion on braking surfaces\u003c\/li\u003e\n\u003cli\u003eMaintains OEM fitment and braking feel for safety and reliability\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 28.4 mm before installation. Clean the rotor surface to remove any protective coating residue before mounting. Verify the 5-lug bolt pattern and 120 mm bolt circle diameter match your vehicle’s hub. Proper torque specifications should be followed to avoid rotor warping. It is recommended to replace brake pads when installing new rotors for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the DFC Geoperformance Rotor - Drilled and Slotted to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and Geospec silver grey hat finish contribute to long-term durability. While no specific warranty information is provided, this rotor is engineered for reliable performance on BMW 530i and 540i models when installed and maintained according to manufacturer guidelines.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":51801075941557,"sku":"HBHR-830-31051L","price":154.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_83031051L_Fro.jpg?v=1774642291","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-830-31051l-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}