{"product_id":"raybestos-980485r-disc-brake-rotor","title":"Raybestos 980485R Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor 980485R\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line Disc Brake Rotor 980485R is engineered for precision and durability, designed specifically for select BMW models. This vented, drum-in-hat type rotor offers reliable braking performance and is built to meet the demands of vehicles like the BMW 330i and 335i series.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with drum-in-hat design\u003c\/li\u003e\n\u003cli\u003eOverall height: 2.638 inches (67.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 13.220 inches (335.800 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.866 inches (22.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.803 inches (20.400 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole quantity: 5 with 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 2.953 inches (75.000 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple BMW models including 330i, 335i, and X1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRaybestos R-Line Product Line Details\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos focuses on delivering rotors that balance performance and longevity for daily driving and moderate performance needs. This line emphasizes quality materials and precise manufacturing tolerances, ensuring consistent fitment and braking efficiency. The 980485R rotor exemplifies these qualities with its vented design and drum-in-hat configuration, suitable for BMW vehicles requiring reliable heat dissipation and integrated parking brake functionality.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade. The drum-in-hat type rotor integrates a parking brake drum within the rotor assembly, providing a compact and efficient solution for rear brake systems. With a nominal thickness of 0.866 inches and a discard thickness of 0.803 inches, this rotor maintains structural integrity while allowing for safe wear limits. The 5-bolt mounting pattern with a 120 mm bolt circle diameter ensures secure attachment to compatible BMW hubs.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 330i and 330xi\u003c\/li\u003e\n\u003cli\u003eBMW 335d, 335i, 335is, 335i xDrive, and 335xi\u003c\/li\u003e\n\u003cli\u003eBMW X1\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis rotor is designed to replace worn or damaged rotors on these specific models, restoring braking performance and safety.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake rotor warping causing vibration during braking\u003c\/li\u003e\n\u003cli\u003eExcessive rotor wear below discard thickness\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency due to heat buildup\u003c\/li\u003e\n\u003cli\u003eNoise or pulsation from uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eParking brake functionality issues related to drum-in-hat rotor wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor surface and hub are clean and free of rust before installation. Verify the rotor thickness is above the discard limit of 0.803 inches to maintain safety. Use proper torque specifications for the 5 mounting bolts with a 120 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to optimize braking performance. Check for any signs of uneven wear or damage on the rotor after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet or exceed OEM specifications, providing consistent quality and fitment. The 980485R rotor undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44466245697717,"sku":"BDBL-980485R","price":65.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_980485R_Fro_742299b8-c42b-49b7-ae74-fbf1988ec4e2.jpg?v=1774637142","url":"https:\/\/www.partcatalog.com\/products\/raybestos-980485r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}