Dear Chip,

I realize that you don't use your iPod on Aux now, but I am curious to know if you got the hum while keeping the iPod plugged in for charging. I noticed the a hum as well, but found that when the power adaptor was not hooked up to the iPod, the hum disappeared.

Bill
2007 Magnetic Gray TCH/Nav/Ash Leather
2002 Blue BMW K1200RS
2000 Champagne BMW K1200LT