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  BMW Forums » BMW discussion forums » General BMW
  Help, when to activate DTC

 Help, when to activate DTC



I read the manual but it says activating DTC reduces driving stability. Why activate it then?

Quote, "the system assures maximal drive output, but with reduced driving stability". What am I missing. Thanks.

Do not reply if you will be saying search as I have already done that.
   Reply » Help, when to activate DTC

Umm...no.

DTC is by default 'ON'.

Do a quick search but there are basically three levels.

You deactivate it by holding the button down for 5 seconds.

   Reply » Help, when to activate DTC

Steve is correct.... DTC is automatically "ON" whenever the car is started. If you mean by "activate" to manually override (shut off) the DTC, then yes, you *can* reduce stability, however, "DTC off" gives YOU control over the car rather than letting the system decide what to do. Attempting to start on a slippery surface is another example of when you might want to override the DTC.

Regards,
Bob

   Reply » Help, when to activate DTC

Quote:
Steve is correct.... DTC is automatically "ON" whenever the car is started. If you mean by "activate" to manually override (shut off) the DTC, then yes, you *can* reduce stability, however, "DTC off" gives YOU control over the car rather than letting the system decide what to do. Attempting to start on a slippery surface is another example of when you might want to override the DTC.

Regards,
Bob
Or if you want to get the back end out around a hairpin turn getting onto the interstate.

   Reply » Help, when to activate DTC

Quote:
Steve is correct.... DTC is automatically "ON" whenever the car is started. If you mean by "activate" to manually override (shut off) the DTC, then yes, you *can* reduce stability, however, "DTC off" gives YOU control over the car rather than letting the system decide what to do. Attempting to start on a slippery surface is another example of when you might want to override the DTC.

Regards,
Bob
I think the manual says DSC is always on and DTC is a component of DSC,however the manual also says to activate DTC, you press the DTC button briefly, and to deactivate DTC, press the DTC button again until the DTC indicator lamp goes out. You can also deactivate DTC and DSC together by holding the DTC button for no more than 10 seconds when the DSC indicator lights up.

This crap is so confusing. Again my question is why active DTC if it reduces driveability as is said in the manual? My car is '06 530i.

   Reply » Help, when to activate DTC

Quote:
I think the manual says DSC is always on and DTC is a component of DSC,however the manual also says to activate DTC, you press the DTC button briefly, and to deactivate DTC, press the DTC button again until the DTC indicator lamp goes out. You can also deactivate DTC and DSC together by holding the DTC button for no more than 10 seconds when the DSC indicator lights up.

This crap is so confusing. Again my question is why active DTC if it reduces driveability as is said in the manual? My car is '06 530i.
It is all in the manual. Just read it. DSC/DTC are on by default. In some cases, like when using snow chains, or going up an icey grade, you may want traction control only. You are acknowledging the car is going to slip a little and do not want DSC interfering.


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