"the eAxle packages the inverter together with the...

"the eAxle packages the inverter together with the motor/generator unit, making for easier packaging, fewer wires, and decreased manufacturing costs. The lowest power output version is 50kW (67hp), but it can be specced up to 300kW (402hp). What's more, it can also be had as either a permanent magnet or induction motor. Poponea explained that the former is more common to rear axle installations, the latter as a front axle motor providing boost to the powertrain. "It comes down to OEM strategy, and we can certainly support that," "

PMM 10/15% more efficient low/high torque but a big chunk of the decision making process will come back to security of supply. NdFeB a relatively small cost component but secure LT supply lines are critical to every OEM.

https://arstechnica.com/cars/2017/01/bosch-debuts-the-modular-scalable-and-compact-eaxle/