The owners manual treatment of some of these features is poor, the translation is confusing and it is condescending.
Use google freely for these questions . Here are some things I found: http://www.bmw.com/com/en/insights/technology/technology_guide/articles/mm_dynamic_stability_control.html?content_type=index&source=/com/en/insights/technology/technology_guide/articles/dynamic_traction_control.html&article=mm_dynamic_stability_control
Be sure to click on the tiny "more" button. They seem to begrudge full details.
There is more out there . I printed up several and don't have the sources but feel free to ask specific questions.