I was having an alternator whine. I used one of these for the XM Radio install (3.5mm plugs) I added one to the back of the headunit and it killed all the noise in the audio system. $20 +/- shipped. I got mine off ebay.
http://cgi.ebay.com/ebaymotors/PAC-S...QQcmdZViewItem
Derek A.
90 535i 5 Speed - Style 5 17"
now ill let you install that stuff into my car.![]()
95 E34 530I V2.37
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Those who make peaceful revolution impossible will make violent revolution inevitable.
John F. Kennedy