DSP Antenna wire?

[LazerSquid]

I recently acquired my 2000 E39 540i, and after spending the past 2 weeks catching up on the little stuff I can do to clean it up and make it nice, I discovered an antenna cable hanging off the DSP amplifier. I’ve never had a car with DSP before so I don’t know what this goes to, and I can’t find any information online. I would assume if it were a module I didn’t have then I wouldn’t just have the cable laying in the trunk, but I can’t find anything it would plug into. Hoping someone can look in there tru k and tell me what it goes to. It’s about a foot long an has a 90° plug on one end and a straight plug on the other, they both look like tiny push-on coax plugs.

Thanks for the help!


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[RosieE39]

It’s not an antenna cable.
It’s the digital audio input from the CD Stacker.

[LazerSquid]

It’s not an antenna cable.
It’s the digital audio input from the CD Stacker.

Thank you! After reading more threads this was one of three things I thought it might be. Nice to know for sure!


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[edjack]

The PO, when liberating the changer, takes that cable.