1. Critical Prerequisite: ECU Unlocking
The MD1CS002 (used in BMW G-series vehicles post-2020) employs advanced hardware encryption. Direct cloning is impossible without unlocking.
2. Preparation Phase
Hardware Setup:
CG FC200 main unit + MPC5xx Adapter (for MD1-series pin access).
Solder connections: K-Line (diagnostic), GPT (power timing), and ground wires per CG FC200’s wiring diagram.
Software Configuration:
Launch CG FC200 → Select BMW → Enter chassis code (e.g., Gxx) → Choose MD1CS002.
Operate in "Bench Mode" (offline).
3. Cloning Procedure
Step 1: Read Source ECU Data
Click "Identify" to retrieve ECU details (ISN, HW version).
Sequentially read:
PFLASH (program memory, 5–10 min)
DFLASH (data memory)
External EEPROM
Save all files securely (Critical: Backup before writing!).
Step 2: Write to Donor ECU
Load backup files (PFLASH/DFLASH/EEPROM) into CG FC200.
Initiate write process → Run "Data Verification" to confirm integrity.
Post-Cloning Validation
Reinstall ECU → Clear DTCs (e.g., DME/CAS faults).
Test:
Ignition, idling, and acceleration.
Monitor for limp mode/emission errors.
4. Professional Recommendations
Data Integrity: Cross-check PFLASH/DFLASH checksums in WinOLS post-cloning.
Tool Updates: Ensure CG FC200 is internet-connected for protocol updates.
Contingency: For persistent start failures, re-verify ISN in both ECU and CAS modules.
Cost-Benefit: For non-specialists, outsourcing to certified ECU workshops is advised (high upfront unlocking cost + technical complexity).
Final Note: Success hinges on unlocking → full data replication → ISN alignment. Strict adherence to this workflow minimizes failure rates, but technical expertise remains essential.
