The system knows if you have DSP or not. I don't understand why GAL is even selectable if you have DSP. I haven't tried playing with it yet, but I wonder if it makes any difference, particularly going from one extreme (1) to the other (6).
Quote:
Originally Posted by big bob
I understood that the DSP used the GAL to change the frequency response [eg increasing the bass] as the car speed increased based on characterisation measurements taken of the car by BMW. Hense a coarse 'speed sensitive volume' function becomes less nessesary.
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