Originally Posted by BimmerE82
I have an 09 and it is an upgrade. You'll be able to tell if the car has it by looking at the little tweeter speakers closest to the outside door mirrors. They would have a little Harmon Kardon badge if it has the upgrade.
Thanks man, can you rate how it sounds? I have the Logic 7 in my 335i and that was awesome, just lacking some bass. Is the HK comparable?