How to SEE if it has Premium Sound
I know that in the e90, if there are speakers in the rear doors, it has premium sound. This makes it really simple to determine whether or not it has it. I haven't noticed anything obvious on the F10, so is there a way to look at the car and know if it has premium sound or not?
A BMW can be described in one simple, yet true statement, "From the outside you don't understand, from the inside you can't explain." How true is THAT?!