[kimz]

From my experience:
For S15A cars just change AKKS to 0x00 (both shutters are missing), LKS_xxx are default to nicht_aktiv. Just unplug the plugs and code, then the error of incorrect coding remains but the MIL is not lit. You can remove this error by deleting the ecu variant adaptation via ISTA/INPA.

For S18A (and upper for sure) cars, the AKKS parameter is set to 0x00 by default, and LKS_xxx are active. After changing them to nicht_aktiv and unplugging the plugs or pulling the fuse, the MIL turns on immediately and the errors cannot be cleared. I compared many coding variants even with M3/M4 and the only differences regarding shutters are LKS_OBEN and LKS_UNTEN. I think it is directly related to the DME/DDE software and there is no other option but to remove the error or disable it in the software. If someone can disable and not remove the error from flash, please send me a private message (removing the error itself may result in power limitation).