{"product_id":"dynamite-friction-604-31068-disc-brake-rotor","title":"Dynamite Friction 604-31068 Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-31068\u003c\/h2\u003e\u003cp\u003eThe Dynamite Friction DFC GEOSPEC Coated Rotor 604-31068 is engineered for BMW 323i, 325i, and 328i 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: 300 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: 66.2 mm\u003c\/li\u003e\n\u003cli\u003eVented rotor design for heat dissipation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor, part number 604-31068, is specifically designed for BMW 3 Series models including the 323i, 325i, and 328i. The rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade under demanding conditions. With an outside diameter of 300 mm and a height of 66.2 mm, it fits precisely within the brake assembly of these BMW models. The nominal thickness of 20 mm ensures structural integrity, while the discard thickness of 18.4 mm indicates the minimum safe thickness before replacement is necessary. The rotor includes five bolt holes with a diameter of 14.7 mm, matching the factory specifications for secure mounting.\u003c\/p\u003e\u003ch2\u003eAbout the DFC GEOSPEC Coated Rotor Line\u003c\/h2\u003e\u003cp\u003eThe DFC GEOSPEC Coated Rotor line by Dynamite Friction incorporates a specialized coating designed to protect the rotor surface from corrosion and environmental wear. This coating helps maintain rotor performance and appearance over time, which is particularly beneficial for vehicles like the BMW 323i, 325i, and 328i that may be exposed to varying driving conditions. The coating also aids in reducing brake dust accumulation, contributing to cleaner wheel assemblies.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on BMW 323i, 325i, and 328i\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency by reducing heat-related fade\u003c\/li\u003e\n\u003cli\u003eAddresses rotor corrosion and surface degradation\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor thickness for safe braking performance\u003c\/li\u003e\n\u003cli\u003eEnsures secure fitment with correct bolt hole pattern and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation; replace if below 18.4 mm discard thickness\u003c\/li\u003e\n\u003cli\u003eEnsure proper cleaning of hub surface to prevent rotor runout\u003c\/li\u003e\n\u003cli\u003eTorque bolts to manufacturer specifications for secure mounting\u003c\/li\u003e\n\u003cli\u003eInspect brake pads for wear and replace if necessary during rotor installation\u003c\/li\u003e\n\u003cli\u003ePerform a bed-in procedure after installation to optimize braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDynamite Friction rotors, including the 604-31068, are manufactured to meet OEM specifications for fit and function. The DFC GEOSPEC Coated Rotor line undergoes quality control processes to ensure durability and consistent performance. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.\u003c\/p\u003e","brand":"Dynamite Friction","offers":[{"title":"Default Title","offer_id":43389567762613,"sku":"HBHR-604-31068","price":63.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60431068_Fro.jpg?v=1774634034","url":"https:\/\/www.partcatalog.com\/products\/dynamite-friction-604-31068-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}