The BMW 8 Series is a large and imposing luxury ... turbocharged 3.0-liter inline-six engine, while the M850i and the bonkers-fast (and expensive) M8 models get turbocharged 4.4-liter V-8s rated ...

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 ...

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 ...