[redblackbmw]

I have never had this issue before, but I do need help.

I have 328i 07 -with BMW professional radio with the black amp in the back (so hifi system no logic 7) and after I got my car painter the painter reversed the backup camera wires so the camera system wasn't working,but the radio sound still worked. I fixed the wiring and turned the car now no sound, I only get seat belt sound, key left door sounds but no music from the speaker.

I have eonon 9165b head unit which everything works but sound, even tried the BMW stock unit no sound but everything works...

Check all fuses inbox, everything is good, used inpa doesn't show any errors just one other valvetrain sensor bank 1..


the optic cord on the harness does light red for 3 secs then turns off..im trying to figure out why is there no sound anyone can help?

[TboneS54]

If you have optical, you have L7 no? Hifi has black amp on driver side. L7 is silver amp in middle of boot. If you have L7 optical, you probably have a break in the loop.