The BMW i3 car can be charged, but it is not recommended to charge the mobile phone after parking and locking the car, and the battery is prone to loss of power for a long time, which will lead to the normal use of the car. If you need to use the vehicle to charge the phone, it is recommended to start the car and then charge the phone. Car batteries need to be replaced every three to five years, and the battery is an important part of the car.