If you love all things carbon fiber then this Carbon Fiber Roof Antenna Cover is the perfect finishing touch for your BMW G01 X3 and G02 X4. 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.