BMW’s R 12 S is presented as the modern embodiment of the 1974 R 90 S with its aluminum gas tank in two-tone Daytona Orange paint, a solo seat, and plenty of heritage nods. But heritage is easy to style and hard to earn. The real question is how well the R 12 S channels the magic of that era while performing as a modern motorcycle. The R 12 S is based on the R 12 nineT, which succeeds the R nineT.