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audio help
when i first purchase my e90 i decided to install a csf radiator, got the radiator installed then snapped a bolt and it sat for a month if that. (radio worked mint) install the radiator and go for my first test drive and i notice that there’s no audio, then just static like crunchy noises. then silence for a year. today it sounded like bass boosted ocean waves until i unplugged the optic fiber cable from the amp. what should i go about replacing first? i’ve already checked for flashing red lights throughout the whole fiber loop. i’m just confuzz tbh
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