{"product_id":"dynamic-friction-820-31182d-disc-brake-rotor-rear-left","title":"Dynamic Friction 820-31182D Disc Brake Rotor - Rear Left","description":"\u003ch2\u003eBMW rear left brake rotor\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction DFC Geoperformance Rotor - Drilled disc brake rotor is built for BMW applications that require a rear left replacement with a directional, vented design. Part number 820-31182D is listed across multiple BMW 7 Series, 8 Series, X5, X6, and X7 applications.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrilled surface helps support heat management and consistent braking feel.\u003c\/li\u003e\n\u003cli\u003eVented rotor construction promotes airflow through the braking surface.\u003c\/li\u003e\n\u003cli\u003ePlain disc finish keeps the rotor focused on function.\u003c\/li\u003e\n\u003cli\u003eDirectional brake surface is matched to the specified application.\u003c\/li\u003e\n\u003cli\u003eFits BMW rear left applications with the listed 370 mm outside diameter and 22.4 mm discard thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003eThe 820-31182D is a DFC Geoperformance drilled brake rotor engineered for BMW rear left fitments. It uses a vented, directional design with a 370 mm outside diameter and 22.4 mm discard thickness, making it a direct service part for the listed BMW 840i, 840i Gran Coupe, 840i xDrive, 840i xDrive Gran Coupe, X5, X6, X7, 540i, 540i xDrive, M550i xDrive, 740i, 740i xDrive, 745e xDrive, 750i xDrive, and 750Li xDrive applications. This part number 820-31182D is also identified as a full cast replacement for aluminum hat disc applications where noted.\u003c\/p\u003e\u003ch2\u003eWhat it is used for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn rear left brake rotor on supported BMW models.\u003c\/li\u003e\n\u003cli\u003eRestoring braking surface condition when the rotor is scored or uneven.\u003c\/li\u003e\n\u003cli\u003eAddressing brake pulsation caused by rotor wear or thickness variation.\u003c\/li\u003e\n\u003cli\u003eSupporting heat dissipation in vented rear brake setups.\u003c\/li\u003e\n\u003cli\u003eMaintaining correct fitment on applications that specify a directional rotor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle’s rear left brake configuration before ordering, especially on BMW models with full cast replacement notes for aluminum hat disc setups. Match the rotor to the listed application details, including outside diameter, discard thickness, and directional surface design. Because fitment varies by model and year, verify the exact BMW 840i, X5, X6, X7, 540i, 740i, or 750i xDrive application against the vehicle build data before installation.\u003c\/p\u003e\u003ch2\u003eQuality assurance\u003c\/h2\u003e\u003cp\u003eDynamic Friction supplies this rotor as part of its DFC Geoperformance Rotor - Drilled line, with application-specific engineering for the listed BMW fitments. Part number 820-31182D is built to the stated dimensional and design requirements for the covered vehicles.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":53519199764661,"sku":"HBHR-820-31182D","price":162.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_82031182D_KIT.jpg?v=1791958112","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-820-31182d-disc-brake-rotor-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}