BTTF 2 depicts a possible American future 30 years from the year 1985.
If you use the same metric from when BTTF 2 was released (late 1989), the actual 30 years into the American future is more associated with the alternate 1985 depicted later in the film.
If you use the same metric from when BTTF 2 was released (late 1989), the actual 30 years into the American future is more associated with the alternate 1985 depicted later in the film.