Need New Front Seats

I have a 83 528e with 388,000 mile and the front seats are shot. I sit way to low and can feel the back brace. I've been searching craigslist for a parts car but the 528 doesn't pop up that often, plus I dont have a lot of $. My question is, what other models and years would fit the hole pattern? What kind of options do I have.

Thanks

I'm sure there are lots of seats you can get to fit, with some minor modifications. I've seen this discussed before on MyE28.com. Try doing a search on their site.