If you love all things carbon fiber then this Carbon Fiber Roof Antenna Cover is the perfect finishing touch for your MW F40 1-Series, F44 2-Series, or G22/G23 4-Series. Our carbon fiber antenna covers are simply installed over your antenna via 3M tape and promoter. Each piece is crafted from 100% genuine carbon fiber and completed with a UV-resistant clear coat which ensures they remain vibrant for years to come. Please Note: This carbon fiber antenna cover may affect some XM signals.