Preview: 2023 BMW X7 dials up the luxury and wow factor

BMW on Tuesday unveiled an updated version of its X7 full-size SUV. Due on sale this fall as a 2023 model, the updated X7 brings a radical new look that BMW will also apply to a redesigned 7-Series and a new XM performance SUV, both of which are also due for the 2023 model year. The look is characterized by a split headlight design consisting of…