NEW GLOSS BOOT SPOILER FOR 2018 2021 BMW G20 3 SERIES 4DR SALOON GLOSS BLACK PERFORMANCE LOOK Manufactured from ABS plastic. Complete with Complete with double sided tape. Aftermarket spoiler Comes in GLOSS black paint. We recommend using Polyurethane Sealer adhesive (available in our ebay store) to secure the spoiler to the boot lid. This method will make sure the spoiler is water tight and permanent seal. HZ Dynamics Product For further information on our terms and conditions, please see section at the bottom of this page.