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Message: <blockquote data-quote="ALBundy" data-source="post: 481404" data-attributes="member: 15">On the E90, E60 and beyond, its actually DSC Plus, that's why you have DTC. DTC has two useful applications, one like mentioned by AB (in snowy/icy roads). Imagine if you at a traffic light junction and trying to take off, with the wheels spinning, DSC will intervene and you may get stucked.  Technically, let's say if the rear wheels are spinning 16% faster than the front, the electronics would intervened and cut off/reduced engine power and it the car still oversteers, individual braking will be applied, either front left/right depending on the corner direction.  Now with DTC switch on, the electronics will only intervened if the difference in wheel spin exceeds 20%. In our Malaysian context it means, more spirited driving around corners!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />  Another feature of BMW's traction control system is DSC can be completely switched off. In the event you screwed up, just jammed the brakes and DSC would be activated automatically.</blockquote>