BMW's product chief in Australia says the iX3 50 xDrive is a mid-tier model, hinting that M-flavored variants are on the way. Article Summary The i3 50 xDrive packs dual electric motors producing a combined 463 hp, but even more powerful versions are coming. BMW has labeled the i3 50 xDrive a mid-tier model, confirming that at least one higher-performance variant is planned. Now, there’s finally news about at least one spicy variant positioned above the iX3 50 xDrive. The Electric X3 M Will Be A Quad-Motor MonsterBMW has already confirmed that all of its full M electric cars will have quad motors.