Having no synchromesh on bottom gear could make changes into the lowest ratio, which would normally require double declutching, difficult.
2.
Instead of a torque converter, it uses a compact wet startup clutch to start the car off, and also supports computer-controlled double declutching.
3.
Instead of a torque converter, it uses a compact wet startup clutch to launch the car from a stop, and also supports computer-controlled double declutching.