Powered by a TwinPower Turbo 8-cylinder V8, the BMW M550i xDrive marks the first time a 5 Series M Performance finds a petrol engine.
Businessmen rejoice. The German sedan for executives gets the M treatment with the 2018 BMW M550i xDrive by BMW Performance. Out early 2017.
BMW's popular M5 sedan turns 30-years old, so they're celebrating with the 600-hp M5 Anniversary Edition with only 300 units being produced.
The first M5, introduced in 1985, was the fastest production sedan in the world. Does the 2013 BMW M5 compare?