Motor.es has posted what it purports is the full list of models the world will see for the the next generation 3 Series (G20). The list also includes power output, transmission and drivetrain.
MODEL | HP | TRANSMISSION | DRIVETRAIN
316d | 136 HP | 6-speed manual, 8-speed auto | RWD
318d | 163 HP | 6-speed manual, 8-speed auto | RWD
320d | 204 HP | 6-speed manual, 8-speed auto | RWD/xDrive
325d | 238 HP | 8-speed auto | RWD/xDrive
M340d | 320-340 HP | 8-speed auto | xDrive
325e iPerformance | 230 HP | 8-speed | xDrive
318i | 150 HP | 6-speed manual, 8-speed auto | RWD
320i | 204 HP | 6-speed manual, 8-speed auto | RWD/xDrive
320i Efficient Dynamics | 170 HP | 6-speed manual, 8-speed auto | RWD
330i | 265 HP | 8-speed auto | RWD/xDrive
M340i | 380 HP | 8-speed auto | xDrive (
consistent with our info on the M340i)