{"product_id":"bmw-g80-g82-m3-m4-carbon-fibre-psm-style-rear-diffuser","title":"BMW G80\/G82, M3\/M4 Carbon Fibre PSM Style Rear Diffuser","description":"\u003ch2\u003eBMW G80\/G82 M3\/M4 Carbon Fibre PSM Style Rear Diffuser\u003c\/h2\u003e\n\u003cp\u003eReplace the lower rear valance on your G80 M3 or G82 M4 with this PSM Style Rear Diffuser — a full-width carbon fibre diffuser with twin centre outlets and tall upswept end fences.\u003c\/p\u003e\n\u003cp\u003eThe PSM profile is the cleaner of the two shapes we carry. Rather than filling the valance with strakes, it opens two large rectangular outlets either side of the centre and leaves the surface between them flat, so the rear reads wide and low without looking busy. The end fences turn up sharply at the outer edges, which is where the shape gets its width.\u003c\/p\u003e\n\u003cp\u003eIt suits an owner who wants a clear step up from the standard valance while keeping the back of the car restrained — the same reasoning that makes the PSM shape one of the most requested profiles on the G8X platform.\u003c\/p\u003e\n\u003cp\u003eThe diffuser is carbon fibre with a high-gloss twill weave under a UV-protected clear coat, moulded to the contour of the factory G8X rear bumper and fitted at the existing lower valance locations.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003ePSM Twin Outlet Profile\u003c\/h3\u003e\n\u003cp\u003eTwo large rectangular outlets either side of the centre section, the detail that defines the PSM shape.\u003c\/p\u003e\n\u003ch3\u003eTall Upswept End Fences\u003c\/h3\u003e\n\u003cp\u003eThe outer edges turn up sharply and carry the line toward the arches, widening the rear.\u003c\/p\u003e\n\u003ch3\u003eFull Width Coverage\u003c\/h3\u003e\n\u003cp\u003eSpans the whole lower rear bumper as a single piece, so there are no joins across the back of the car.\u003c\/p\u003e\n\u003ch3\u003eCarbon Fibre Construction\u003c\/h3\u003e\n\u003cp\u003eCarbon fibre with a consistent twill weave under a high-gloss clear coat, matched to the look of the rest of the G8X carbon range.\u003c\/p\u003e\n\u003ch3\u003eUV Protected Finish\u003c\/h3\u003e\n\u003cp\u003eA high-gloss coating that resists yellowing and holds its depth under Australian sun.\u003c\/p\u003e\n\u003ch3\u003eFactory Mounting Points\u003c\/h3\u003e\n\u003cp\u003eMoulded to the contour of the standard G8X rear bumper and fitted at the existing lower valance locations.\u003c\/p\u003e\n\u003ch2\u003eStyling Benefits\u003c\/h2\u003e\n\u003cp\u003e• A wider, lower rear without a busy multi-strake look\u003cbr\u003e• Single-piece full-width coverage, no joins\u003cbr\u003e• Frames the quad exhaust outlets\u003cbr\u003e• Carbon weave that matches the rest of the G8X range\u003cbr\u003e• The restrained alternative to the BC Style diffuser\u003cbr\u003e• Pairs with a carbon boot spoiler for a complete rear treatment\u003c\/p\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eBMW G80 M3 (2021+)\u003cbr\u003eBMW G82 M4 (2021+)\u003c\/p\u003e\n\u003ch2\u003ePlease Note\u003c\/h2\u003e\n\u003cp\u003eProfessional installation is strongly recommended. The diffuser should be offered up and aligned to the bumper before any fixing is made permanent.\u003c\/p\u003e\n\u003cp\u003eCarbon fibre is a natural woven material. Minor variation in weave pattern between pieces is characteristic of the material and not a defect.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Proven Performance Parts\u003c\/h2\u003e\n\u003cp\u003eWe specialise in high-performance parts for European vehicles — including Volkswagen GTI \u0026amp; R models, Audi S\/RS platforms, and BMW M vehicles. Every product we offer is carefully selected for its quality, fitment, and real-world performance — tested by enthusiasts, for enthusiasts.\u003c\/p\u003e\n","brand":"Proven Performance Parts","offers":[{"title":"BMW G80 M3 (2021+)","offer_id":52835225338138,"sku":null,"price":1325.0,"currency_code":"AUD","in_stock":true},{"title":"BMW G82 M4 (2021+)","offer_id":52835225403674,"sku":null,"price":1325.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1177\/4490\/files\/img1_542ac2b9-b139-4078-8280-f6b7ce46f085.png?v=1788937405","url":"https:\/\/provenperformanceparts.com.au\/products\/bmw-g80-g82-m3-m4-carbon-fibre-psm-style-rear-diffuser","provider":"Proven Performance Parts","version":"1.0","type":"link"}