{"product_id":"raybestos-9812r-disc-brake-rotor","title":"Raybestos 9812R Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Raybestos R-Line 9812R Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 9812R disc brake rotor is engineered for reliable braking performance on select BMW models. Designed specifically for the BMW 535i, 535is, and 635CSi, this vented rotor meets precise specifications to maintain optimal stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall height: 3.005 inches (76.350 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 11.090 inches (281.700 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.975 inches (24.750 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.945 inches (24.000 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with 120 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 3.113 inches (79.050 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type compatible with drum-in-hat setups\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 durability for daily driving and light performance applications. This line emphasizes precise fitment and consistent manufacturing standards, making the 9812R rotor a suitable replacement part for BMW vehicles requiring vented rotors with conventional mounting configurations.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe 9812R rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under normal driving conditions. With a nominal thickness of 0.975 inches and a discard thickness of 0.945 inches, this rotor provides a clear service life indicator to ensure safe replacement intervals. The rotor’s 11.090-inch outside diameter and 3.005-inch overall height are engineered to match the original equipment specifications for the BMW 535i, 535is, and 635CSi models. The five mounting bolt holes with a 120 mm bolt circle diameter and a center hole diameter of 3.113 inches ensure proper alignment and 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 535i, 535is, and 635CSi\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 restoring proper rotor thickness\u003c\/li\u003e\n\u003cli\u003eHelps prevent brake fade through vented rotor design\u003c\/li\u003e\n\u003cli\u003eCompatible with conventional drum-in-hat brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos R-Line 9812R rotor, ensure the mounting surface is clean and free of debris to maintain proper rotor seating. Verify that the rotor thickness is above the discard thickness before installation. Use a calibrated torque wrench to tighten the five mounting bolts to the manufacturer’s specifications. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and rotor longevity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44467219529909,"sku":"BDBL-9812R","price":60.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_9812R_Fro.jpg?v=1774637332","url":"https:\/\/www.partcatalog.com\/products\/raybestos-9812r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}