BMW CAS4 / CAS4+ Cloning, Repair & Key Data Transfer – Plug & Play (Mail-In Service) 7 Corruption Repair

7 Corruption Repair

Immobilizer/ISN synchronization

📌 Compatibility is based on the exact DME part number

These ECUs are commonly found on N20

and adaptations—from your old ECM to your replacement unit

BMW CAS4 / CAS4+ Cloning, Repair & Key Data Transfer – Plug & Play (Mail-In Service) 7 Corruption RepairThis service provides complete cloning, repair, data extraction, and recovery for the BMW CAS4 and CAS4+ immobilizer modules used in nearly all early F series BMW vehicles. CAS4 is a security critical module controlling: Immobilizer ISN Key recognition & keyless start Push to start authorization Rolling code authentication Vehicle access & locking Communication with DME DDE, FEM BDC (when present), Kombi, and gateway modules CAS4 CAS4+ units commonly