2025 Bmw X3 M40i Review Carwow. The bmw x3 has always been a model i’ve loved since i started to get into cars. Built from the outset as the first vehicle to use the brand’s ‘neue klasse’ architecture with sweeping advancements in.

It no longer dominates the segment as it once did, but it remains. Because the x3 m40i isn’t from the actual m division, it doesn’t get a proper m engine.