Digging through my garage I found the original stereo I pulled out of my 1991 80 series. For those enthusiasts who want all original components...happy to give it away for the cost of shipping.
Pic:
https://photos.app.goo.gl/3ncnS625eXNHQ2XF3
Pic:
https://photos.app.goo.gl/3ncnS625eXNHQ2XF3