After unveiling the X3 in 2017 and its coupe sibling the X4 in early 2018, BMW is ready to bring its small crossovers into the performance space. We already have a good idea what the two will look like, especially the X3 M, and now we know they'll provide a good exhaust soundtrack, as well, thanks to a new teaser video.
Posted to BMW's Facebook, the brief 36-second video is a lesson in quick-cut cinematography. It mixes up-close detail shots of the the camouflaged crossovers with clips of the two cars during on- and off-road testing. The X4 M is even seen ripping up the side of a rocky hillside.

Most important, the video includes an aural teaser, previewing the performance exhaust. During takeoffs and drive-bys the exhaust sounds like it has some grunt, showing off a low, growly, poppy tune we'd expect from BMW's M division.

BMW has yet to release many details about power, but we expect the X3 M to be quite a beast. We believe it will be available in regular and Competition-spec models with more than 400 horsepower. The X4 M will likely offer something similar. Check out the video and look for a full reveal in a few months.

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