2 x BMW Key Case Remote Uncut Key Shell Case Compatible with BMW X3 X5 Z3 Z4 325i 525i 330i Aftermarket product Perfect replacement for the original motors and make you key like new 3 Buttons; Electronics/Battery :No just a key cover shell, there is no interior (remote/electronics/transponder chips) inside Package Include: 2pcs X Remote key case shell ( with logo for BMW)