Click on the images to enlarge.
S38B36 3.6 liter developing 310 hp / 266 lb·ft powered on the E34 version.
S62 4.4 liter V8 developing 394 hp / 369 lb.ft improved the E39.
5.0 liter V10 made a rocket out of the E60.
Source: Photographed by the author at the 2011 Burgers and BMW event in Issaquah, Washington.