BMW MSD81 ECU Cloning Service – Plug & Play Replacement (Mail-In Service) Your remanufactured CAS4 replacement is

Your remanufactured CAS4 replacement is prepared and bench tested

What to Send (Mail-In Option):– CAS4 or FEM/BDC module– 1 working key (if available)– VIN and photo ID– DME only required if all keys are lost– Optional: Original blade for key matching

professionally virginized and ready for installation and programming in a compatible BMW

Customer must send in their original or replacement cluster

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BMW MSD81 ECU Cloning Service – Plug & Play Replacement (Mail-In Service) Your remanufactured CAS4 replacement isThis BMW MSD81 ECU Cloning Service is designed for all N54 equipped BMWs using the upgraded MSD81 DME. This module replaced the earlier MSD80 and resolved common issues like MOSFET failures and injector driver faults but MSD81 units still fail due to water damage, corrupted flash memory, or no communication conditions. Using advanced bench programming hardware, we perform a full data transfer from your original MSD81 to your replacement unit,