{"product_id":"genuine-bmw-g20-g21-m-performance-carbon-fibre-rear-diffuser-inc-318d-320d-330e-330","title":"Genuine BMW M Performance Carbon Fibre Rear Diffuser for 3 Series G20\/G21 (2018+) | OEM 51192455819 | Fits 318d 320d 320i 330d 330e 330i","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eFactory Original Carbon Fibre Rear Valance for BMW 3 Series G20 G21\u003c\/h2\u003e\n  \u003cp\u003e\n    Give the back end of your BMW 3 Series a sharper, motorsport-inspired finish with this authentic factory rear valance in carbon fibre. Built by BMW for perfect panel alignment and a premium look, this OEM aero trim elevates the stance of your saloon or touring while keeping true to the original quality standard. We run this upgrade on our own cars and for customers, and the response has been consistently brilliant for fit, weave quality and overall appearance.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    OEM Part Number: \u003cstrong\u003e51192455819\u003c\/strong\u003e\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this OEM carbon fibre rear valance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthentic BMW part for precise fitment and factory-level finish.\u003c\/li\u003e\n    \u003cli\u003eReal carbon fibre construction for a lightweight, high-end look.\u003c\/li\u003e\n    \u003cli\u003eTransforms the rear profile with a purposeful, performance-led aesthetic.\u003c\/li\u003e\n    \u003cli\u003eSeamless integration with other BMW exterior styling upgrades.\u003c\/li\u003e\n    \u003cli\u003eProven on our own builds and customer vehicles with excellent feedback.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003cp\u003eBMW 3 Series G20 G21 (2018 onwards), including:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e318d\u003c\/li\u003e\n    \u003cli\u003e320d\u003c\/li\u003e\n    \u003cli\u003e320i\u003c\/li\u003e\n    \u003cli\u003e330d\u003c\/li\u003e\n    \u003cli\u003e330e\u003c\/li\u003e\n    \u003cli\u003e330i\u003c\/li\u003e\n    \u003cli\u003exDrive variants where applicable\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eImportant fitting note\u003c\/h3\u003e\n  \u003cp\u003e\n    This carbon fibre lower bumper insert requires the BMW High Gloss Black Rear Bumper Trim to be installed at the same time. This item is sold separately.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional fitting is recommended. For UK customers, book installation with \u003cstrong\u003eMJ Modifications\u003c\/strong\u003e in Warwickshire. Request a quote at \n    \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatibility check before dispatch\u003c\/h3\u003e\n  \u003cp\u003e\n    To ensure the correct part for your car, provide your UK registration or the last 7 characters of your VIN at checkout and we will verify compatibility before shipping.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer\u003c\/h3\u003e\n  \u003cp\u003eBMW. Original BMW Performance Parts.\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Two years manufacturer warranty for UK customers and one year for international customers when a VIN is supplied at checkout on compatible vehicles.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch terms customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW 3 Series rear valance G20 G21, carbon fibre lower bumper insert, rear apron BMW 3 Series, factory aero trim BMW, OEM rear skirt, BMW 3 Series saloon touring carbon fibre, G20 rear valance upgrade, G21 touring rear diffuser insert, BMW 330e PHEV rear valance, BMW 330i rear bumper insert, 320d carbon fibre rear trim, 318d rear apron, 330d rear valance carbon fibre, xDrive rear diffuser insert, BMW 3 Series 2018+ carbon fibre tail trim, BMW OEM aero kit rear, BMW performance styling rear insert.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1272\/9301\/files\/Genuine_BMW_G20_G21_M_Performance_Carbon_Fibre_Rear_Diffuser_Inc._318d_320d_330e_330_-2_2048x2048.jpg?v=1610605141\" alt=\"BMW 3 Series G20 G21 carbon fibre rear valance OEM 51192455819 - MJ Modifications\" width=\"1103\" height=\"779\"\u003e\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"BMW","offers":[{"title":"Default Title","offer_id":55975951696258,"sku":null,"price":1022.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/GenuineBMWG20G21MPerformanceCarbonFibreRearDiffuser_Inc.318d_320d_330e_330_-1_1946x_32f3ae8a-7f45-4c8a-a8f8-79a924717713.jpg?v=1763324157","url":"https:\/\/mjmodifications.co.uk\/products\/genuine-bmw-g20-g21-m-performance-carbon-fibre-rear-diffuser-inc-318d-320d-330e-330","provider":"MJ Modifications","version":"1.0","type":"link"}