View Single Post
      05-02-2013, 05:14 PM   #2
Lute__
Banned
4
Rep
156
Posts

 
Drives: '08 JB M3
Join Date: Apr 2013
Location: Geneva

iTrader: (1)

I had this hiss and it became louder and more pronounced as time went on.

Turned out my head unit was bad, it was replaced under warranty.