A day after the recommended service. while driving on i 95 with range extender, noticed the drive train malfunction alert with rapid deceleration needing to pull to the right shoulder quickly. bmw assist took the car to the nearest bmw dealer, who said it was lack of electric charge, plugged the car in charger and gave it to me to head back home town. few days later the problem again recurred. now the car is at the dealer in home town.
While driving on the freeway's hov lane (fully charged, not on the extended range), the car gave "drivetrain malfunction" and the propulsion died shortly after.
The windows were down and i was reaching in the car on the passenger side (door shut). my thigh made contact with the door handle and locked the car. my thigh maintained contact and the window began to roll-up. it then continued until it compressed my torso and the motor kept attempting to go up without stopping. i then pressed the internal unlock button and it stopped. the i3 i was driving was a loaner vehicle from bmw as mine was in the shop.