The new M550i has arrived along with a wider 5-series ... Power is sent to four wheels via BMW’s xDrive system, and while there’s a sport mode for the already rear-biased torque split, the ...

Sadly, for UK buyers, the M550i isn’t offered over here but its ... especially for a machine that weighs the best part of 1900kg. Four-wheel drive traction means that squirting it off the ...