Even though BMW’s M-badged cars are supposed to be the crème de la crème of each model series, that hasn’t stopped G-Power from offering bimmer buyers more power and exclusivity. Their latest accomplishment is a sport package with aerodynamic and performance enhancements for the X5 M and X6 M.The German tuner has upgraded the 4.4-liter V8 turbocharged engine found in both M models with a