WHITE with BLACK Real Carbon Fiber 3" inch Short Antenna for BMW 135 135i 128 128i Z3 Z4 Antenna Length 3"  WHITE Aluminum with BLACK Carbon Fiber High Quality T-6061 Billet Aluminum Antenna & Real Carbon Fiber Hard Anodizing for a Long Lasting & Durable Finish Easy Installation! No Modification required. 4 different size Studs and Extra Spacers Included