Adding a spare key to BMW BDC2 and BDC3 vehicles from a working key
This solution allows reading the Secret Key directly from a working key, including:
- Key ID
- Secret Key
- Key Information
With our software you can add a spare key to the latest generation BDC2 and BDC3 vehicles. There is no need to read any info from the Immobilizer (BDC module).
Required equipment
- ZN085 Abrites programmer for RH850/V850
- CB503 cable
- A working key and the new key
Step-by-step procedure
1 |
Open the working key and solder the CB503 cable to the PCB
As shown in the NCF menu of the ZN085 software. |
2 |
Read the NCF MCU
This extracts the immobilizer data (Secret Key). |
3 |
Open the new key and connect the CB503 cable to its PCB
|
4 |
Click "Make Key with ZN085"
This writes the extracted immobilizer data to the new key. |
The new key is now fully operational. No further OBD programming is required. New OEM and used keys are supported.
The same procedure in the BMW chapter: BMW Online - BDC2/3 Spare Key Programming on Bench with ZN085.