{"product_id":"maxton-design-gloss-black-rear-valance-bmw-3-g20-g21-2018-2022","title":"Maxton Design Gloss Piano Black Rear Diffuser \/ Lower Valance for BMW 3 Series G20\/G21 (2018-2022) – Rear Bumper Insert Lip Skirt Splitter Apron Lower Spoiler Overlay, ABS Stick-On No-Drill OEM Style Fit – Saloon Sedan \u0026 Touring Estate","description":"\u003cdiv\u003e\n  \u003cp\u003e\u003cstrong\u003eUpgrade the rear of your BMW 3 Series G20 or G21 with this high-gloss black rear lower bumper insert by Maxton Design\u003c\/strong\u003e. This premium ABS overlay transforms the back end with a sharper, sportier finish that follows the factory body lines for a clean, OEM-style appearance. Designed for 2018 to 2022 Saloon and Touring models, it is a simple stick-on enhancement that delivers instant visual impact without drilling or cutting.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy Enthusiasts Choose It\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eMade for the G20 and G21 platform years 2018 to 2022 for a confidence-inspiring fit\u003c\/li\u003e\n    \u003cli\u003eDeep gloss piano black surface for a sleek, high-end look\u003c\/li\u003e\n    \u003cli\u003eTransforms the rear bumper with a more purposeful, performance-inspired profile\u003c\/li\u003e\n    \u003cli\u003eDurable ABS plastic with a slight flex for everyday road use\u003c\/li\u003e\n    \u003cli\u003eOverlay installation on the original trim - no holes, no permanent alteration\u003c\/li\u003e\n    \u003cli\u003eMounts using automotive adhesive for a neat, secure finish\u003c\/li\u003e\n    \u003cli\u003eTÜV MATERIALGUTACHTEN certified material\u003c\/li\u003e\n    \u003cli\u003eGenuine Maxton Design piece with holographic authenticity label\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n  \u003cp\u003eFor BMW 3 Series G20 and G21 produced 2018 to 2022.\u003cbr\u003e\n  Fits the standard rear bumper as an add-on part with no modifications required.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRear lower diffuser valance overlay\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eTo achieve a long-lasting bond we recommend a quality automotive adhesive such as Tiger Seal or similar. Adhesive not included.\u003c\/p\u003e\n\n  \u003ch2\u003eMaterial and Finish\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAutomotive-grade ABS plastic for strength and resilience\u003c\/li\u003e\n    \u003cli\u003eSupplied in a high-gloss black finish\u003c\/li\u003e\n    \u003cli\u003eProtected by a removable film to preserve the surface during handling\u003c\/li\u003e\n    \u003cli\u003eNo painting or finishing required before installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eFitting and Support\u003c\/h2\u003e\n  \u003cp\u003eProfessional installation recommended for the best alignment and finish. MJ Modifications in Warwickshire can install this part for you - request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n  \u003cp\u003eWe have installed these on customer G20 and G21 vehicles and feedback has been consistently positive for both fit and finish.\u003c\/p\u003e\n\n  \u003ch2\u003eImportant Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003ePlease confirm the item matches your vehicle using the images and details before ordering.\u003c\/li\u003e\n    \u003cli\u003eUse a strong automotive bonding agent and follow the fitting guidance.\u003c\/li\u003e\n    \u003cli\u003eThe protective film must remain in place until you are certain the part fits. Removing the film voids returns.\u003c\/li\u003e\n    \u003cli\u003eDo not remove the holographic verification sticker. It confirms the item is an authentic Maxton Design product and is required for returns.\u003c\/li\u003e\n    \u003cli\u003eWe cannot accept liability for incorrect installation or misuse.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eMake Your 3 Series Stand Out\u003c\/h2\u003e\n  \u003cp\u003eGive your 3 Series a premium, motorsport-inspired appearance with a crisp rear profile that complements the original bumper. This ABS overlay offers exceptional value, straightforward fitment and a show-stopping gloss finish that looks right at home on daily drivers and enthusiast builds alike.\u003c\/p\u003e\n\n  \u003ch3\u003eCommon Searches\u003c\/h3\u003e\n  \u003cp\u003eBMW 3 Series rear bumper diffuser insert, G20 rear skirt, G21 rear bumper lower valance, piano black rear apron, BMW 3er G20 G21 rear lip, rear bumper trim upgrade, rear splitter style insert, ABS rear lower spoiler, BMW 3 Series estate rear diffuser, saloon rear lower bumper, 2018 2019 2020 2021 2022 G20 G21 styling, gloss black rear bumper extension, BMW 3 Series rear cosmetic upgrade, rear undertray look, Maxton rear lower section, OEM look rear add-on, easy fit rear bumper overlay.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55976299626882,"sku":"MAX-BM-3-20-RS1G","price":184.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/20211007151348_615f0eac74183__79404.1658396648.jpg?v=1763332682","url":"https:\/\/mjmodifications.co.uk\/products\/maxton-design-gloss-black-rear-valance-bmw-3-g20-g21-2018-2022","provider":"MJ Modifications","version":"1.0","type":"link"}