turbocharged 2.0-liter four-cylinder, while the M40i gets a 382-hp, turbo 3.0-liter inline-six-cylinder with a 48-volt mild-hybrid system. The high-performance X3 M, meanwhile, boasts track ...

We’ve already driven the performance variant of the new BMW X3, the M40i, but this is our first opportunity to get behind the wheel of the models that most customers will end up buying - the X3 ...