Originally Posted by SamS

Well of course if you're trying to save $900, it's probably not the best upgrade. You mean "acute hearing that picks up on small variations in sound" like when someone's tone of voice is being angry, sad or sarcastic I personally thought the stock system was so inferior, I actually thought something was broken with it. Of course I'd rather live with the stock system than give up the car for a Camry with a $10K stereo, but the improvements BMW gives you for $900 would be impossible to replicate via aftermarket upgrades to the standard Hi-Fi stereo in the F30.