Galaxy S4 Auxiliary Whine/Squeak

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http://forums.androidcentral.com – I recently got a Verizon Galaxy S4 and I am getting a whining squeaking noise when playing music through an auxiliary input into my car stereo (it is a BMW if it matters). I am not getting the same problem when using normal headphones. I have tried 2 different cords in my car and they both have the same problem. This is a huge deal and I may decide to return the phone if I cant figure it out. I will most likely root my phone so that may fix the issue with a new ROM, but I would like to try to get it figured out before I go down the rooting path. Any ideas? (HowTos)