Although no tuning has been announced, AC Schnitzer will also fit a new exhaust system to the X4 M40i, removing that pesky sound-sapping particulate filter. Extensive visual tweaks have been made ...

Even the performance M40i and M40d models avoid making the BMW X4 too focused or uncomfortable to use every day. The BMW X4 bucks the trend by making diesel very much the star of its engine range.

The third-generation BMW Z4 is more ... the Z4 M40i Handschalter. Besides satin green paint and a tan leather interior, the new model gets revised chassis tuning and a manual gearbox to offer ...

There are plenty of more practical SUVs, but few are as sharp to drive as the BMW X4, or as economical. The only normal X4 you can buy before resorting to M40d and M40i models. M Sport comes with ...