{"product_id":"bmw-4-series-and-m4-convertible-gloss-black-rear-spoiler-by-form-2014-2019-f33-f83","title":"BMW 4 Series \u0026 M4 Convertible Gloss Black Rear Spoiler by FORM (2014-2019, F33 F83)","description":"\u003cp\u003eFinish the rear profile of your BMW 4 Series \u0026amp; M4 Convertible in style with the Gloss Black Rear Spoiler from FORM. Designed as a precise OEM-level fit, this spoiler adds purposeful lines and subtle downforce to deliver a motorsport-inspired silhouette without compromising factory refinement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM fitment\u003c\/strong\u003e — retains factory mounting points, wiring connectors, and sensor cut-outs where applicable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-grade gloss black finish\u003c\/strong\u003e with high-build primer for a deep, mirror-like appearance\u003c\/li\u003e\n\u003cli\u003eAdds downforce over the rear axle for improved high-speed stability\u003c\/li\u003e\n\u003cli\u003eFinishes the rear profile with a purposeful, motorsport-inspired look\u003c\/li\u003e\n\u003cli\u003eComplements the car's existing lines without dominating the silhouette\u003c\/li\u003e\n\u003cli\u003eBacked by \u003cstrong\u003eFORM Industries\u003c\/strong\u003e — a trusted name in OEM-level aftermarket upgrades for modern performance cars\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e Manufactured in automotive-grade composite with a deep \u003cstrong\u003egloss black\u003c\/strong\u003e final finish. The paint is applied over high-build primer for a flawless, orange-peel-free surface that sits cleanly alongside factory gloss-black trim pieces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eBMW 4 Series \u0026amp; M4 Convertible\u003c\/strong\u003e, model years \u003cstrong\u003e2014-2019, F33 F83\u003c\/strong\u003e. The part uses factory mounting hardware and (where relevant) existing wiring connectors, so a standard install requires no modification to your car's bodywork or wiring loom. Chassis codes matter — please confirm yours matches the listed fitment above before placing your order.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Fitment is straightforward for an experienced installer using standard hand tools. We strongly recommend installation by a qualified bodyshop or detailer, particularly for exterior components that require panel alignment, adhesive bonding, or painted-surface preparation. Full fitment guidance is provided in the box, and our support team can help confirm the best approach for your specific car.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAbout FORM Industries:\u003c\/strong\u003e FORM Industries is a premium manufacturer of aftermarket exterior and interior upgrades for BMW, Audi, Mercedes-Benz, Volkswagen, Porsche, Tesla, and other modern performance vehicles. Every FORM part is engineered in-house, tested against OEM fitment standards, and finished to a specification that matches — and often exceeds — the factory equivalent. From pre-preg carbon fibre through to OEM-grade gloss black, every component is built to deliver the look, feel, and longevity expected at this price point.\u003c\/p\u003e","brand":"FORM Industries","offers":[{"title":"Default Title","offer_id":55620905271636,"sku":"FO-BF83M4SPGB","price":315.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0425\/3268\/files\/s-l1600_a78c7468-615c-418b-bde2-0970f66e3c0e.jpg?v=1778501758","url":"https:\/\/fifty9performance.co.uk\/products\/bmw-4-series-and-m4-convertible-gloss-black-rear-spoiler-by-form-2014-2019-f33-f83","provider":"Fifty9 Performance","version":"1.0","type":"link"}