One benefit of this engine, over the M850i at least, is economy. BMW claims up to 38.2mpg with ... This would all be for naught if the 8 GC’s chassis wasn’t up to snuff, but there’s more ...

The M850i adds a sports exhaust system, lightweight 20in wheels and the M Sport differential, for that added cornering traction. All models also get a wind deflector and BMW’s Air Collars ...

Meet the AC Schnitzer ACS 8.0 – a finely tuned BMW M850i xDrive pushing 600BHP! We take a first look at its upgrades, performance, and design. Is this the perfect balance of luxury and power?