You'll need to program the key and cut the blade at locl automotive locksmith before using.
The key is suitable for EWS system only. (not ok for CAS system, please don't buy wrong type.)
The key blade is HU92. (not ok for HU58, Please be sure to match this key to your current blade style.)
Compatibility:
2004-2006 1 Series E81
1999-2006 3 Series E46
1997-2006 5 Series E39 E60 E61
2004-2006 6 Series E63 E64
1995-2002 7 Series E38
2004-2007 X3 E83
2000-2007 X5 E53
1998-2003 Z3 E36/7 E36/8
2003-2007 Z4 E85 E86