The Clubsport Garage Rear Wing Installation Kit is a universal solution for securely mounting rear wings or spoilers to a variety of bootlids/trunks – particularly suited to BMW models, but compatible with other platforms as well. Designed to reduce stress on the outer boot skin under high-speed load and downforce, this kit ensures a robust and reliable installation for motorsport or fast-road use. Fitment Notes This is a universal kit – bootlid construction varies by model, so fitment may differ depending on the depth and layout of the inner skin. Now available in two lengths to suit different bootlid designs: 35mm length – for standard or shallow inner skins 65mm length – for deeper inner skins (common on some BMW models) What's Included ✔ 2 x Stainless Steel Cups (choose 35mm or 65mm length)✔ 2 x Large 46mm Washers ⚠ Note: Kit is sold as a pair. If you require 4 cups for your installation, simply order two kits. Materials & Installation Options Manufactured in stainless steel, these cups can be: Welded directly to the boot skin for maximum strength (steel bootlids only) Chemically bonded using structural adhesives for carbon fibre or composite bootlids 🔧 Welding is not required for most installations – bonding is sufficient in many applications. Compatibility The Rear Wing Installation Kit is compatible with the following products offered by Clubsport Garage; Supported Products Ridgeline Motorsport Ring Spec Wing Ridgeline Motorsport GT4 MK2 (V2010) Wing Ridgeline Motorsport M235iR/M240iR Racing Wing BMW Motorsport M235i/240i Racing Rear Wing