BMW ISN v0.12.04.16 is specialized software designed for synchronizing the ISN (Individual Serial Number) between BMW ECUs and EWS/CAS modules. It supports a wide range of DME/DDE modules, including MS42, MS43, MS45, MSS52, MSS54, MSV70, ME5.2.1, ME7.2, ME9, ME9.2, DDE3, DDE4, BMS46, MINI EMS2, and ROVER NNW101711. Additionally, it is compatible with EWS3, EWS4, EWS4.4, and various CAS versions (CAS2, CAS3, CAS3+, CAS E65). This tool is essential for tasks such as ECU cloning, key programming, and immobilizer repairs in BMW, MINI, and ROVER vehicles.