{"product_id":"bmw-4-series-f32-f36-428i-upgrade-to-2021-m4-style-rear-bumper-kit-2014-2020","title":"BMW 4 Series F32 F36 428i Upgrade To 2021 M4 Style Rear Bumper Kit（2014-2020）","description":"\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eFitment \u0026amp; Compatibility\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"29\" data-end=\"185\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDesigned for BMW 4 Series F32\/F33\/F36 models, this rear bumper conversion kit upgrades the factory rear styling to a more aggressive M4-inspired appearance.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"187\" data-end=\"203\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"205\" data-end=\"374\"\u003e\n\u003cli data-section-id=\"1jjl3z2\" data-start=\"205\" data-end=\"241\"\u003e2014-2020 BMW 4 Series F32 Coupe\u003c\/li\u003e\n\u003cli data-section-id=\"1o7rv1i\" data-start=\"242\" data-end=\"284\"\u003e2014-2020 BMW 4 Series F33 Convertible\u003c\/li\u003e\n\u003cli data-section-id=\"6b6p1c\" data-start=\"285\" data-end=\"326\"\u003e2014-2020 BMW 4 Series F36 Gran Coupe\u003c\/li\u003e\n\u003cli data-section-id=\"1rsj89k\" data-start=\"327\" data-end=\"374\"\u003eBMW 420i \/ 428i \/ 430i \/ 435i \/ 440i models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"376\" data-end=\"552\"\u003eThis rear bumper kit is developed as an exterior facelift upgrade, providing an M4-style rear appearance while maintaining OEM-style mounting locations for easier installation.\u003c\/p\u003e\n\u003cp data-start=\"554\" data-end=\"664\"\u003e\u003cstrong data-start=\"554\" data-end=\"664\"\u003ePlease provide your VIN and original vehicle photos before purchase if you are unsure about compatibility.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eMaterial \u0026amp; Finish\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"694\" data-end=\"847\" class=\"PDq2pG_selectionAnchorContainer\"\u003eConstructed from high-quality polypropylene (PP) and ABS materials, this rear bumper is designed for durability, flexibility, and reliable long-term use.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"849\" data-end=\"866\"\u003eFeatures include:\u003c\/p\u003e\n\u003cul data-start=\"868\" data-end=\"1133\"\u003e\n\u003cli data-section-id=\"17sju3m\" data-start=\"868\" data-end=\"935\"\u003ePremium PP material for enhanced strength and impact resistance\u003c\/li\u003e\n\u003cli data-section-id=\"w740ro\" data-start=\"936\" data-end=\"990\"\u003eOEM-inspired design for a factory-style appearance\u003c\/li\u003e\n\u003cli data-section-id=\"14o755w\" data-start=\"991\" data-end=\"1060\"\u003eUnpainted finish, ready for professional preparation and painting\u003c\/li\u003e\n\u003cli data-section-id=\"1ysfcgj\" data-start=\"1061\" data-end=\"1133\"\u003eDesigned for bolt-on installation with minimal modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eIncluded Components\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"1165\" data-end=\"1187\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThis package includes:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"1189\" data-end=\"1213\"\u003e\n\u003cli data-section-id=\"3i61wv\" data-start=\"1189\" data-end=\"1213\"\u003eRear bumper assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1215\" data-end=\"1312\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1312\"\u003ePackage contents are based on the product images. Installation instructions are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eInstallation \u0026amp; Professional Requirements\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eWe highly recommend professional installation for all body kit products.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eBefore painting or final installation, a full test fit is required to ensure proper alignment and fitment. This step is essential, as painted parts are considered modified and may not be eligible for return.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eImportant Notes:\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eDo not paint the item before test fitting\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eMinor adjustments, sanding, or trimming may be required for optimal fitment\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eProfessional body shop installation is strongly recommended\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eInstallation instructions are not included\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eIf you are unsure about fitment, please contact us with your VIN before installation.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eDesign \u0026amp; Development Philosophy\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"1356\" data-end=\"1512\" class=\"PDq2pG_selectionAnchorContainer\"\u003eInspired by the latest BMW M4 performance styling, this rear bumper conversion is designed to give the BMW 4 Series a sharper and more dynamic rear profile.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1514\" data-end=\"1841\"\u003eThe design focuses on improving the vehicle’s visual stance through more aggressive lines, a sportier appearance, and a cohesive M-inspired aesthetic. Each component is engineered with attention to fitment accuracy and exterior proportions, creating a factory-inspired upgrade without changing the vehicle’s original structure.\u003c\/p\u003e\n\u003cp data-start=\"1843\" data-end=\"2011\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eDeveloped for BMW enthusiasts seeking a modern performance look, this rear bumper delivers a bold transformation while maintaining practical installation compatibility.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eDelivery \u0026amp; Packaging\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eProcessing time: 1–3 business days.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eDelivery time: 7–10 business days via LTL freight.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eLiftgate or internal delivery services are\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003enot included(extra charge if needed).\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eMinor scratches during transport may occur; these can be resolved during the painting process.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003ePlease\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003einspect packages immediately upon arrival\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eto report any damage promptly.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eReturn \u0026amp; Request\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eWe offer a 30-day return policy for eligible items.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eIf you wish to request a return or exchange, please contact us and our team will assist you with the process.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eReturn Conditions:\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eItem must be unused, unpainted, and in original condition\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eReturns are not accepted for painted or modified items\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003eOriginal packaging is required for all returns\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: 微软雅黑;\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"CastBlock","offers":[{"title":"Default Title","offer_id":48263963738333,"sku":"F32 Rear kit","price":490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/7085\/9997\/files\/s-l1600_79027935-30a8-44cd-a9b7-c3951ff7775f.webp?v=1785137749","url":"https:\/\/castblockcustoms.com\/products\/bmw-4-series-f32-f36-428i-upgrade-to-2021-m4-style-rear-bumper-kit-2014-2020","provider":"castblockparts.shop","version":"1.0","type":"link"}