WARNING: This page is about a different car, the 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, 2019 BMW M5, and 2018 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
Loosen screws (1)
.
Remove DSC control unit (2)
carefully.
When removing the DSC control unit, no contacts must be bent!