A naturally aspirated 3.5-liter straight-six, which was first developed for the M1 supercar, was slotted under the hood of the premium ... for under $50,000. The F90 M5, which was first unleashed ...
G-Power has been fettling BMWs for almost half a century, and its most recent product is the F90 M5-based G5M Hurricane RR. Though an RS variant surfaced earlier this year, this model turns ...