JOHANNESBURG - BMW has refreshed the look and feel of the X3M Competition and the X4M Competition for 2021, at the same time giving the vehicles slightly more torque than their predecessors.

This doesn’t have 600 horsepower. Neine. The 3.0-litre twin-turbo straight six has been boosted from the 503bhp you get in the X3M Competition, to 626bhp. All of this apparently comes from some ...