{"product_id":"dynamite-friction-604-31066-disc-brake-rotor","title":"Dynamite Friction 604-31066 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-31066\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC GEOSPEC Coated Rotor 604-31066 is engineered for BMW 525i, 528i, and 530i models. This vented disc brake rotor offers precise dimensions and coating technology designed to maintain braking performance and rotor longevity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNominal thickness: 20 mm\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 18.4 mm\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 320 mm\u003c\/li\u003e\n\u003cli\u003eInside diameter: 75 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole diameter: 14.7 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole quantity: 5\u003c\/li\u003e\n\u003cli\u003eHeight: 63.1 mm\u003c\/li\u003e\n\u003cli\u003eVented rotor design for heat dissipation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDFC GEOSPEC Coated Rotor Product Line Details\u003c\/h2\u003e\u003cp\u003eThe DFC GEOSPEC Coated Rotor line by Dynamite Friction focuses on rotors with specialized coatings that help reduce corrosion and extend service life. This coating is particularly beneficial for vehicles like the BMW 525i, 528i, and 530i, which require reliable braking components that withstand varied driving conditions. The 604-31066 part number represents a rotor designed to meet OEM specifications with enhanced surface protection.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design to improve heat dissipation during braking, reducing the risk of brake fade. The rotor’s nominal thickness is 20 mm, with a discard thickness of 18.4 mm, indicating when replacement is necessary to maintain safe braking performance. The 320 mm outside diameter and 75 mm inside diameter ensure proper fitment on compatible BMW models. The rotor includes five bolt holes with a diameter of 14.7 mm, and a height of 63.1 mm, matching factory specifications for secure installation.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 525i, 528i, and 530i\u003c\/li\u003e\n\u003cli\u003eAddresses brake noise and vibration issues caused by uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency by maintaining proper rotor thickness\u003c\/li\u003e\n\u003cli\u003eHelps prevent corrosion-related rotor damage with GEOSPEC coating\u003c\/li\u003e\n\u003cli\u003eSupports heat management to reduce brake fade during extended use\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 18.4 mm before installation. Clean the hub surface to remove rust or debris for proper rotor seating. Use the correct torque specifications for the five 14.7 mm bolt holes to secure the rotor. It is recommended to replace brake pads simultaneously to optimize braking performance. Verify compatibility with BMW 525i, 528i, and 530i models prior to installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction manufactures the DFC GEOSPEC Coated Rotor 604-31066 to meet or exceed OEM standards for fit and function. The coating process enhances corrosion resistance, contributing to longer rotor life. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary based on application and usage conditions.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389567697077,"sku":"HBHR-604-31066","price":66.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60431066_Fro_1c51957d-ff3d-4263-8c80-1a142f3b2183.jpg?v=1774634033","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-604-31066-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}