[eli371]

2010 Z4 35i

So I'm useless when it comes to electronics, so hoping for some insight.
From what I know, the car chimes 3 times on start up, here's the "symptoms"

When starting the car:
1) 95% of the time, i get nothing. No audio, no chimes, no radio, no gps voice. Nothing.
2) Other 5% of the time, it's either
- audio kicks in on the last chime, radio kicks in shortly after
- music/audio will kick in after starting to drive (1-2 minutes usually, scares the crap out of me if i forget to lower the volume)
- the audio works as intended. I'll hear all 3 chimes.

***I've never had the audio cut out while driving if it's working***
- the symptoms seem completely random, if i get lucky and have it working, generally doesn't work if i turn the car off/on again.

Fuses tested ok.
Next plan was to tear apart the trunk looking for the amp. Any suggestions?