Quote:
Originally Posted by NGuyadeen
Nope... I did a test all my windows closed no AC on and i put it to the lowest and drove and it was still loud but then putting it up all the way you do hear theres a difference, BMW tuned it so you could never know but i guess you have a fantastic ear  |
hey I just read somewhere else that this feature is used to automatically increase the volume of the radio as speed increases
