Support and discussion for BMW CAS3 and CAS 3 Plus Editor v1.3. Read ISN from DME DDE dumps MS45 MSV70 ME9 ME9.2 EDC16 MSS65. Edit VIN ISN mileage manage key slots sync CAS with DME EGS and ELV. All keys lost workflows and tips. Works with r270 UPA VVDI Xprog Orange5. MCU masks 0L01Y 0L15Y 0M23S. Also known as C3 Editor.

BMW CAS3 C3 Editor v1.3 — DME ISN Reader VIN ISN ODO Keys — Community Help​

Free CAS3 Editor v1.3. Extract ISN from DME DDE dumps edit VIN and ISN correct odometer program keys reset ELV and EGS. CAS3 and CAS3 Plus supported. Compatible with r270 UPA VVDI Xprog Orange5.

Quick intro
CAS3 Editor v1.3 gives full control of BMW CAS3 systems. The tool reads the Individual Serial Number directly from engine ECU dumps and lets you change core CAS data. Key features include advanced key programming all keys lost help module synchronization with ELV and EGS reset clear workflow and TXT export. Supported ECUs for ISN read include MS45.0 MS45.1 MSV70 ME9 ME9.2 EDC16 and MSS65.

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How to identify your module — CAS3 vs CAS3 Plus

• By part number on the sticker. CAS3 usually starts with 61.35 and sits in the 6xx range. CAS3 Plus often starts with 61.35 and sits in the 9xx range.
• By MCU mask. CAS3 uses 0L01Y. CAS3 Plus uses 0L15Y or 0M23S.
• For CAS3 Plus you normally need at least one working key for programming.

What is inside

• Overview and screenshots
• Change log and compatibility
• Guides for DME ISN read and ECU sync
• Key programming notes and all keys lost workflow
• Troubleshooting and known errors
• Download link and setup notes

Common questions

• ISN from DME shows FFFF — check dump type and ECU family then retry with full flash if available
• No keys detected — verify key slot status and frequency then rewrite transponder data and save
• ELV or EGS reset fails — match CAS and DME ISN then repeat sync and cycle ignition
• Mileage not saving — confirm correct mask and dump size 4KB or 2KB before write

Download and full details — CAS3 C3 Editor v1.3 DME ISN Reader and Key Tool