NEW 50mm 2&rdquo; inch Short Stubby Aluminum Antenna in Black for BMW 128 128i 135 135i Antenna Length 2" (50mm) (Brand New Style!). High Quality T-6061 Billet Aluminum Antenna Hard Anodizing for a Long Lasting & Durable Finish Easy Installation! No Modification required. 4 different size Studs and Extra Spacers Included