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So it looks like BMW was able to determine where the issue was. They ran some diagnostics and it had a hard fault for my amplifier under voltage at 255 times. They found that the amplifier is communicating and powering up but it has two power inputs, 5 amp is fine but the 50 amp fuse is out which is from the BSD. They just replaced the BSD Battery Fuse Box and supposedly the audio is working again. I still need to pick up the car but I believe it is finally resolved. So I'll have a working replacement amplifier for sale if anyone needs one.
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2015 BMW X5 35i M-Sport (White/Brown) - 4/16/18 (Current)
2011 BMW 550i M-Sport (Jet Black/Cinnamon Brown) - 4/30/14 | 2007 BMW 328xi e92 (Jet Black/Coral Red) - PAST | 2005 Infiniti G35 Coupe (Ivory White/Stone) - PAST | 2005 Acura TSX (Obsidian Black/Black) - PAST
| 1998 Acura Integra (Black/Black) - PAST
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