I think this car would be a blast, decent mileage, convertible. Far from perfect but for the price (Don't know the going price), could be really fun:
bringatrailer.com

No Reserve: 1990 BMW 325i Convertible 5-Speed
Bid for the chance to own a No Reserve: 1990 BMW 325i Convertible 5-Speed at auction with Bring a Trailer, the home of the best vintage and classic cars online. Lot #40,154.