{"product_id":"dynamic-friction-820-31181d-disc-brake-rotor-rear-right","title":"Dynamic Friction 820-31181D Disc Brake Rotor - Rear Right","description":"\u003ch2\u003eDrilled rear brake rotor for BMW\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction Geoperformance rotor is a rear right disc brake rotor built for BMW applications that call for a directional, vented, drilled design. It is a fitment-specific replacement for models including the BMW 840i, X5, and 750i xDrive, with coverage spanning 2016-2026.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGeoperformance Rotor - Drilled product line for application-specific brake service.\u003c\/li\u003e\n\u003cli\u003eX-drilled surface helps manage heat and maintain consistent brake response.\u003c\/li\u003e\n\u003cli\u003eVented rotor construction supports airflow through the braking surface.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface is engineered for the specified rotation pattern.\u003c\/li\u003e\n\u003cli\u003ePlain disc finish with a 370 mm outside diameter and 22.4 mm discard thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003ePart number 820-31181D is a Dynamic Friction disc brake rotor for rear right fitments on BMW vehicles. The listed applications include the BMW 840i and 840i Gran Coupe, BMW X5, BMW X6, BMW X7, BMW 540i, BMW 740i, and BMW 750i xDrive, along with related xDrive variants. The drilled, vented, directional design is suited to replacement service where the original rotor specification calls for this exact configuration. Part number 820-31181D is also identified as a Geoperformance Rotor - Drilled unit for these BMW brake applications.\u003c\/p\u003e\u003ch2\u003eWhat it is used for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn rear brake rotor on supported BMW models.\u003c\/li\u003e\n\u003cli\u003eAddressing brake pulsation caused by rotor wear or surface variation.\u003c\/li\u003e\n\u003cli\u003eRestoring proper braking surface thickness on the rear axle.\u003c\/li\u003e\n\u003cli\u003eMaintaining the specified drilled and vented rotor configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and tips\u003c\/h2\u003e\u003cp\u003eVerify rear right fitment, rotor diameter, and discard thickness before installation. This rotor is directional, so install it in the correct rotation orientation for the application. Confirm whether the vehicle uses the full cast replacement for aluminum hat disc configuration where noted in the fitment data.\u003c\/p\u003e\u003ch2\u003eQuality assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this Geoperformance rotor as an application-specific brake component for listed BMW fitments. Use the part number 820-31181D to confirm the correct rotor before ordering or installation.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53519199731893,"sku":"HBHR-820-31181D","price":162.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_82031181D_KIT.jpg?v=1791958103","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-820-31181d-disc-brake-rotor-rear-right","provider":"PartCatalog","version":"1.0","type":"link"}