I never could get mine to work properly. I did have to adjust the pins so that the lined up properly when plugging in. Once I did that, the unit played perfectly - until I started the vehicle. Once I started it up, I got that static/hissing noise. I too have upgraded to the BSW speakers, which are crystal clear. Because they are so clear, I can hear imperfections in my music. I probably would not have noticed as much with my old muddled sounding stock speakers.

I not 100% sure, but I think the problem may be related to the fact that you have a 10-12 ft cable running from the stereo head unit that you plug the Dice 10-12 ft cable into. So you have 20+ ft of cable routed through out the vehicle that you are running the IPOD through. Perhaps this cable is picking up interference from the drivetrain.