Specification: Basic Color Black and Silver Button Quantity 3 (Open,Lock,Truck) Transponder Chip No Size As the picture shown Fitment: FOR BMW 3 5 7 Series 1998-2005 FOR BMW X5 Z3 Z4 1998-2005 FOR BMW 330 330i 2001- 2004 FOR BMW 525 525i 2001-2004 FOR BMW #bmw