Hello all.
It's been a while since I started this thread. I happy to tell you the vibration issues have been fixed!
It ended up being my first instinct, the motor mounts in combination with the transmission mount.
I found an awesome shop here in Asheville, Altamont Auto. The owner has a couple 240s himself and was happy to check out my v90.
Upon inspection, they noticed the transmission mount was toast, ( I was never able to squeeze under the car to look at it) and although the motor mounts looked okay they noted they were very stiff.
After replacing all three mounts, the nuetral vibration and vibration between 30-45 mph have all gone away. He noted the saggy transmission mount most likely got my driveline out of alignment, thus causing the vibration while driving.
I'm super excited, the car is very smooth now. Even more, pre fix I used to hear an exhaust leak inside the car around my downpipe. Getting everything back in alignment, seems to have taken care of that noise too and the car is way quieter.
Thanks for all the help, suggestions and thoughts. I'm sure I'll be needing more advice here in the future.
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