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Can somen explain the AC system to me (dash and idrive combo)

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Old 12-05-2014, 02:03 PM
  #11  
twh
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Originally Posted by yelcab2
That is an example of software engineer gone haywire with the memory and processing power given to them by hardware engineers. They implement crap.
Spoken by a hardware guy no doubt. The truth is that very often a bad software design is because the hardware guys couldn't give what was necessary for the best design
Old 12-06-2014, 07:09 AM
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Originally Posted by DavidF
"auto" overrides all the iDrive settings except for the (internal) temperature adjustment. The temperature adjustment inside iDrive controls what comes out of the dash grilles. If you are calling for cabin heat, and have the temp setting well into the blue, you will get cool air out of the dash vents. The IHKA will still keep the cabin temperature at the setting selected with each dial control.

The intent is to keep cool air blowing on the face of the driver to fight sleepiness.
That is exactly right - and well put.
Old 12-07-2014, 06:11 AM
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anyone have an answer as to why the fan will just turn ON by itself...I turn it back OFF...then it turns back ON again. I love my car...but the A/C system design couldn't be worse if they intentionally tried to do so.
Old 12-07-2014, 08:49 AM
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Originally Posted by Allen
anyone have an answer as to why the fan will just turn ON by itself...I turn it back OFF...then it turns back ON again. I love my car...but the A/C system design couldn't be worse if they intentionally tried to do so.
The behavior you describe can be coded, I believe - and thus 'un-coded' as well.
Old 12-08-2014, 06:21 AM
  #15  
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Originally Posted by twh
Spoken by a hardware guy no doubt. The truth is that very often a bad software design is because the hardware guys couldn't give what was necessary for the best design
I will give you this.


To have a user interface limited to one left-right dial and a push button is ludicrous. Let's blame it on the Marketing guy that got us stuck with this stupid system. I refuse to buy new BMW (only used ones) because of this.


I could not properly program the radio yesterday, and I did it before. What a stupid and dangerous design.
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