I am having a hard time understanding what you mean, your post isn't even english but I'll try and take a crack at it.
Dead battery in the key? You said it still starts the vehicle but doesn't lock/unlock the vehicle?
#465420 National Capital Chapter
My Progress Thread
2000 323Ci | TiAg | Gray | ZSP | ZPP | AFE | UUC | Eisenmann | Koni | ACS Type III | Coby Wheel | 330 Brake Swap w/ BMW Performance Rotors
2006 X3 3.0i M-Sport | Silver Grey | Terracotta | Navigation | Premium Pkg | Cold Weather Pkg | AFE |