This is a complete remote key(with electric board, with logo, with battery)

1. Frequency: 315 Mhz
2. Key Cut Type: HU92
3. Chip ID:  PCF 7945 ( HITAG+ EE )
4. System : CAS 2
5. Keyless Go: No 
6. Buttons : 3
7. Works with : 5 Series and 6 Series E60 E63                                                 

Can be programmed using          BMW EXPLORER SOFTWARE