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?
National Capital Chapter #465420
2000 ///M5 Oxford Green
| Caramel Nappa
| Walnut Interior | Luxury Package |///M Registry
| My Progress Thread
2006 X3 3.0i M-Sport | Silver Grey
| AT | Navigation | Premium Pkg | Cold Weather Pkg | AFE |
2000 323Ci | TiAg | Gray | 5MT | SOLD