Caution Notice: It does not replace the core electronics. Any existing defects of the electronic core will not be fixed by the shell replacement. Only Key Shell, NO interior (remote/electronics/transponder chips) unit inside.. 3 Key Button: Lock, Unlock, Trunk Hold. Best replacement for a key with broken button case or worn key.. Fitment: for BMW 3 5 6 7 Series Z3 Z4 X3 X5 M5 325i E38 E39 E46 E65. Easy to install. Simply swap your existing electronics inside this key shell and install your original key to this key case.. This is a replacement part to match the original in form and function..
