BMW M3 need help with checksum

[Harrycz44]

Hello all from DK
I need help with checksum after speed limiter off on BMW M3
siemens ms S60 4 liter benzin year 2008. Thank you

[ominimicu]

Kess corrects the checksum in writting via family 205

[Harrycz44]

Kess corrects the checksum in writting via family 205

I have Magprog.. and on-line support can not make it..:beheaded: