It isn't every day you find an ultra-rare BMW E30 M3 Sport Evolution in a barn completely unscathed by time and animals, but here we are again.

Anyone who has driven a car equipped with the old sealed-beam headlights from the 1980s will know that modern LED lighting technology is one of the greatest improvements of the modern automotive age.

So far, there have been six BMW M3 generations, starting with the homologation special E30 in 1989 and its 2.3-liter inline-four engine. The second-gen E36 BMW M3 models followed in 1995 with the ...