I have the h/k setup in my m3 every thing works but I get no sound at all is the amp bad ? Also does any one know why my climate control and obc turn on and off when they want
Most likely your amp is dead.
My trunk seal leaked and moisture found a path to the top of the amp and into the connector.
I found a method of covering the replacement amp and wiring with a heavy clear produce plastic bag.
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Last edited by bluptgm3; 06-20-2019 at 09:56 PM.
In the trunk, remove the drivers rear tail light cover, then pull the trunk liner towards the center to access the amplifier. Do you have a test light or volt meter?
1, the large red/white wire should have constant 12 volts. 2, the small white wire (from radio) should have 12 volts with the radio on. If 2 does not, pull your radio and check to see if it has 12 volts there. If 2 does have 12 volts, most likely amp.
This happens a lot, a simple fix just do a search.
If your amp is dead and you're wanting to replace it, I have the amp pulled from my '98 M3 when I upgraded the audio in there. Feel free to message me here if interested.
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