If there's one BMW in particular I've coveted more than any other in recent years it's the X6. I just love its coupe-like SUV styling and high-performance, which is why I find this all-new X4 so appealing. Like a baby X6, it’s got the looks and the moves without the big price tag. Just when you thought BMW couldn’t possibly concoct any more bodystyles, the U.S.-built X4 arrives in their increasingly crowded showroom for 2015. Though they’re a mouthful to say and absolutely meaningless to 90% of car shoppers, the trim levels are familiar to those in the know; starting with the xDrive28i fitted with a turbo-4 and priced from $47,150 and then for the sporty-minded, there’s this model – the xDrive35i motivated by BMW’s famous 3.0-liter twin-turbo inline 6.