I've got a pair of eD 9kv.2's i'm trying to put in the rear deck of my E36 M3/4, and I'm having trouble. I had plans for MDF adapters, but it turns out they only fit the coupe, which seems to have lower rear shock towers than the sedan by about an inch. The one that I got made to test was a pain to make, and since I work full time and go to school full time, I dont have time to work out new dimensions and make more. I have a set of MDF rings to fit the subs, and was hoping somebody with an E36 sedan who is good with fiberglass could help me mold the rings to the stock rear speaker enclosures (i have them both taken apart already) to make things easy.

If anybody can help please let me know
thanks