Quote:
Originally Posted by Razel
When I select Sport+, DSC appears to be turned off as the warning icon shows up on the drivers display. Sport doesn't turn off DSC.
If my reading comprehension hasn't failed, DTC and DSC are both on by default until specifically turned off.
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SPORT+ activates DTC, which is a less restrictive traction control system. Pressing (not holding) the DSC OFF button will activate DTC no matter which driving mode you've otherwise selected;
DTC is not on unless you are in SPORT+ or you have pressed the DSC OFF button. SPORT+ does not deactivate DSC; it remains active, as always,
unless you hold the DSC OFF button for some number of seconds--I've not counted.
The warning icon is misleading because BMW uses it for both DTC ON and DSC OFF. BMW does this because where DTC ON makes for less stability (but more loose-surface traction) in corners and under acceleration, DSC OFF deactivates all driving dynamics assists, making for even less stability in corners and under acceleration.
Your reading comprehension hasn't failed you. BMW would sooner declare a reintegration of the aeronautic technologies they produced under contract with Hitler for the German Nazi Regime than provide an actually comprehensive owners' manual.