What are these two plugs for in boot?

[Ricky318i]

Hi, could you tell me what these two plugs are for in my E34 535i trunk, left side?

The stereo amplifier is plugged in, but these two were just laying there without any purpose, i guess.:thinking:

 

[bmw69]

If you haven't figured it out by the time i get my car back ill check if i have them as well

 

[rickyc]

I think it could be for a cd shuttle but im not 100% sure

Sent from my ALE-L21 using Tapatalk