View Single Post
      10-24-2010, 11:30 AM   #16
Jaya3666
New Member
Malaysia
1
Rep
29
Posts

 
Drives: E90
Join Date: Sep 2010
Location: Kuala Lumpur

iTrader: (0)

Whining noise

After the amp upgrade I noticed a high pitched whining sound from the back, perhaps rear speakers, even when the audio is in silent. In sync with the RPM. My install is just like MudPhud's.