{"product_id":"bmw-g80-g82-m3-m4-ctm-style-carbon-fiber-led-rear-bumper-diffuser-with-side-extensions-2021-2026","title":"BMW G80 G82 M3 M4 CTM Style Carbon Fiber LED Rear Bumper Diffuser with Side Extensions 2021-2026","description":"\u003cp\u003eUpgrade the rear-end appearance of your 2021-2026 BMW G80 M3 Sedan or G82 M4 Coupe with this CTM Style Carbon Fiber LED Rear Bumper Diffuser Kit with Side Extensions. Designed to complement the original BMW M rear bumper, this three-piece exterior upgrade combines an aggressive center diffuser with matching left and right corner extensions for a motorsport-inspired appearance.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from real carbon fiber with a clear-coated finish, this rear diffuser kit features a distinctive sculpted profile and integrated vertical LED brake light. The center diffuser's pronounced lower fins create an aggressive appearance, while the matching rear bumper corner extensions provide a coordinated carbon fiber accent along the lower bumper edges.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for compatible BMW G80 M3 and G82 M4 factory rear bumpers, the center diffuser replaces the original rear lower diffuser, while the corner extensions attach to the left and right bumper areas. The kit uses clips and screws, with mounting hardware included. The integrated LED brake light requires an appropriate electrical connection, and professional installation is recommended to ensure secure mounting, proper alignment, and correct lighting operation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width:100%; max-width:650px; border-collapse:collapse; border:1px solid #e5e5e5;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eVehicle Make\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eBMW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eModels\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eM3 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eChassis\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eG80 \/ G82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eModel Years\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003e2021-2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eBody Styles\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eSedan \/ Coupe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eRear Bumper Diffuser with LED Brake Light and Side Extensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eDesign Style\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eCTM Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eReal Carbon Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eBlack Carbon Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eSurface Finish\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eClear-Coated Carbon Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eIntegrated Lighting\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eVertical LED Brake Light Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eLED Electrical Installation\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eElectrical Connection Required; Confirm Wiring Method Before Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eCenter Diffuser Fitment\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eDirect Replacement of Compatible Original Rear Diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eSide Extension Fitment\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eAdd-On Rear Bumper Corner Extensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eMounting Method\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eClips and Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eMounting Hardware\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003eInstallation Position\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003eRear Lower Bumper \/ Left and Right Corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px; font-weight:600;\"\u003ePackage Quantity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #e5e5e5; padding:10px;\"\u003e3 Pieces \/ 1 Complete Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for compatible 2021-2026 BMW G80 M3 and G82 M4 models\u003c\/li\u003e\n\u003cli\u003eAggressive CTM Style rear bumper diffuser design\u003c\/li\u003e\n\u003cli\u003eReal carbon fiber construction with a clear-coated finish\u003c\/li\u003e\n\u003cli\u003eIntegrated vertical LED brake light bar\u003c\/li\u003e\n\u003cli\u003eMatching left and right carbon fiber rear bumper corner extensions\u003c\/li\u003e\n\u003cli\u003eThree-piece kit for coordinated rear-end styling\u003c\/li\u003e\n\u003cli\u003eDistinctive sculpted lower diffuser fins\u003c\/li\u003e\n\u003cli\u003eCenter diffuser designed as a replacement for the original component\u003c\/li\u003e\n\u003cli\u003eCorner extensions add an aggressive lower bumper profile\u003c\/li\u003e\n\u003cli\u003eClip-and-screw attachment method\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eConfiguration Options\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G80 M3:\u003c\/strong\u003e Compatible 2021-2026 Sedan models with the appropriate original rear bumper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G82 M4:\u003c\/strong\u003e Compatible 2021-2026 Coupe models with the appropriate original rear bumper.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e CTM Style rear diffuser with matching side extensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon fiber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Clear-coated black carbon fiber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Integrated vertical LED brake light requiring electrical installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x CTM Style Carbon Fiber Center Rear Bumper Diffuser with Integrated LED Brake Light\u003c\/li\u003e\n\u003cli\u003e1 x Left Carbon Fiber Rear Bumper Corner Extension\u003c\/li\u003e\n\u003cli\u003e1 x Right Carbon Fiber Rear Bumper Corner Extension\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Designed for compatible 2021-2026 BMW G80 M3 Sedan and G82 M4 Coupe factory rear bumper configurations. The center diffuser replaces the original rear diffuser, while the side extensions attach to the corresponding rear bumper corners. Installation uses clips and screws, and the LED brake light requires an electrical connection. The exact LED wiring method, drilling requirements, and installation instructions are not specified. Verify the original rear bumper design, mounting points, factory electrical configuration, and applicable rear lighting requirements before ordering. Compatibility with G83 M4 Convertible models should be confirmed separately. Professional installation is strongly recommended. Test fitting is recommended before final installation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the vehicle is a compatible BMW G80 M3 or G82 M4 with the appropriate factory rear bumper.\u003c\/li\u003e\n\u003cli\u003eInspect the original center rear diffuser, rear bumper corners, and mounting points.\u003c\/li\u003e\n\u003cli\u003eRemove the original rear diffuser following the vehicle's applicable service procedure.\u003c\/li\u003e\n\u003cli\u003eTest fit the carbon fiber replacement diffuser against the original bumper openings.\u003c\/li\u003e\n\u003cli\u003eAlign the center diffuser with the factory mounting points.\u003c\/li\u003e\n\u003cli\u003eSecure the diffuser using the compatible clips, screws, and mounting hardware.\u003c\/li\u003e\n\u003cli\u003ePosition the left and right corner extensions against their corresponding bumper locations.\u003c\/li\u003e\n\u003cli\u003eCheck alignment and secure the corner extensions using appropriate mounting hardware.\u003c\/li\u003e\n\u003cli\u003eRoute the integrated LED wiring away from exhaust heat and moving components.\u003c\/li\u003e\n\u003cli\u003eConnect the LED brake light using the correct vehicle-specific electrical method.\u003c\/li\u003e\n\u003cli\u003eTest the LED brake light and verify proper operation.\u003c\/li\u003e\n\u003cli\u003eCheck mounting security, exhaust clearance, and overall fitment.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is strongly recommended.\u003c\/li\u003e\n\u003cli\u003eTest fitting is recommended before final installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2021-2026 BMW G80 M3 Sedan with compatible original rear bumper\u003c\/li\u003e\n\u003cli\u003e2021-2026 BMW G82 M4 Coupe with compatible original rear bumper\u003c\/li\u003e\n\u003cli\u003eCompatible Base, Competition, and selected xDrive configurations with matching rear bumper mounting points\u003c\/li\u003e\n\u003cli\u003eG83 M4 Convertible compatibility requires separate confirmation\u003c\/li\u003e\n\u003cli\u003eNot listed for standard BMW G20 3 Series or G22 4 Series models\u003c\/li\u003e\n\u003cli\u003eVerify rear bumper design, corner mounting positions, and LED electrical compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CuztomTuning","offers":[{"title":"2021–2026 BMW G80 M3 Sedan","offer_id":67995338473747,"sku":"RBD-G80-AE-LED-3PC-CF -1","price":869.95,"currency_code":"USD","in_stock":true},{"title":"2021–2026 BMW G82 M4 Coupe","offer_id":67995338506515,"sku":"RBD-G80-AE-LED-3PC-CF -2","price":869.95,"currency_code":"USD","in_stock":true},{"title":"2021–2026 BMW G83 M4 Convertible","offer_id":67995338539283,"sku":"RBD-G80-AE-LED-3PC-CF -3","price":869.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/8486\/4053\/files\/zLsElYc.jpg?v=1794395513","url":"https:\/\/bayoptiks.com\/products\/bmw-g80-g82-m3-m4-ctm-style-carbon-fiber-led-rear-bumper-diffuser-with-side-extensions-2021-2026","provider":"Bayoptiks","version":"1.0","type":"link"}