Pair of REMOTE KEY KEYLESS FOB REPLACEMENT CASE BLANK SHELL BLADE FOR BMW 3 5 6 7 Series X3 X5 E53 E46 E39 E65 E38 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