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?
2000 ///M5 ///M Registry (09/99 Build)
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2006 X3 3.0i M-Sport | Silver Grey | Terracotta | AT | Navigation | Premium Pkg | Cold Weather Pkg | AFE |