{"product_id":"bmw-m3-f80-m4-f82-f83-carbon-fibre-rear-diffuser-fin","title":"BMW M3 F80 \u0026 M4 F82\/F83 Genuine Carbon Fibre Rear Diffuser — Fin 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 vertical fin channels adds a factory-plus premium detail to the rear-end. Made from real woven carbon fibre with a UV-protective lacquered finish, the single-piece design features four vertical strake fins across the centre for a subtle but distinctive diffuser look that integrates cleanly with the factory bumper lines.\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 bolder, wider stance?\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-aero\" title=\"BMW M3 F80 \u0026amp; M4 F82\/F83 Genuine Carbon Fibre Rear Diffuser — Aero Style (2014–2020)\"\u003eBMW M3\/M4 F80\/F82\/F83 carbon fibre rear diffuser — Aero Style\u003c\/a\u003e — same fitment, three-piece design with dramatic wide side aero fins.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eManufacturer references:\u003c\/strong\u003e BMW, M3, M4, F80, F82, F83 are trademarks of BMW AG, used here solely to indicate product compatibility. AutoCap Solutions is an independent aftermarket retailer and is not affiliated with, endorsed by, or authorised by BMW AG or the BMW M Division.\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":54127935619415,"sku":null,"price":189.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/2377\/4295\/files\/bmw-m3m4-f80f82f83-carbon-fibre-diffuser-fin-2.webp?v=1785076979","url":"https:\/\/autocapsolutions.com\/products\/bmw-m3-f80-m4-f82-f83-carbon-fibre-rear-diffuser-fin","provider":"AutoCap Solutions","version":"1.0","type":"link"}