{"product_id":"bmw-m3-f80-m4-f82-f83-carbon-fibre-rear-diffuser-aero","title":"BMW M3 F80 \u0026 M4 F82\/F83 Genuine Carbon Fibre Rear Diffuser — Aero Style (2014–2020)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFor the BMW M3 F80, M4 F82 Coupé, and M4 F83 Convertible — our genuine carbon fibre rear diffuser with wide aero side fins gives the rear-end a properly aggressive, track-inspired stance. Made from real woven carbon fibre with a UV-protective lacquered finish, the three-piece construction combines a sculpted centre diffuser with two large vertical side aero fins that extend up along the bumper for a full wide-body visual statement.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eDirect-fit compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBMW M3 F80 (Saloon)\u003c\/strong\u003e — 2014–2018\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBMW M4 F82 (Coupé)\u003c\/strong\u003e — 2014–2020\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBMW M4 F83 (Convertible)\u003c\/strong\u003e — 2014–2020\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCompatible with M3\/M4 Competition Package variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStandard F30\/F31 3 Series or F32\/F33\/F36 4 Series — different rear bumper\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW M3 G80 or M4 G82\/G83 (2021 onwards) — newer generation, different bumper\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW M3 E90\/E92 (pre-2014) — older generation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003ePlease compare your rear bumper shape to our product images before ordering.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003ePrefer a subtler, more restrained look?\u003c\/strong\u003e See our \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"https:\/\/autocapsolutions.com\/products\/bmw-m3-f80-m4-f82-f83-carbon-fibre-rear-diffuser-fin\" title=\"BMW M3 F80 \u0026amp; M4 F82\/F83 Genuine Carbon Fibre Rear Diffuser — Fin Style (2014–2020)\"\u003eBMW M3\/M4 F80\/F82\/F83 carbon fibre rear diffuser — Fin Style\u003c\/a\u003e — same fitment, single-piece design with vertical fin channels.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eAll AutoCap Solutions products are covered by our standard replacement policy in the rare event of manufacturing fault.\u003c\/p\u003e","brand":"AutoCap Solutions","offers":[{"title":"Default Title","offer_id":54125464781143,"sku":null,"price":369.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/2377\/4295\/files\/BMW-M3-M4-F80F82F83-Carbon-Fibre-Diffuser.webp?v=1785061863","url":"https:\/\/autocapsolutions.com\/products\/bmw-m3-f80-m4-f82-f83-carbon-fibre-rear-diffuser-aero","provider":"AutoCap Solutions","version":"1.0","type":"link"}