Depending on the battery capacity and remaining power of the BMW i3, charging time and charging speed need to be considered. Under normal circumstances, the battery capacity of the BMW i3 electric vehicle is 42.2kWh, and the charging demand can be estimated roughly according to the actual driving situation of the vehicle and the remaining power. If the remaining power is low, it is recommended to charge as soon as possible to avoid running out of power. According to the charging speed of the BMW i3, charging using a home outlet takes a long time, while using a fast charging station can quickly replenish the charge. Therefore, to accurately determine the remaining power of the BMW i3 to be charged needs to consider a variety of factors, and it is best to judge according to the current specific situation.
The BMW i3 usually needs to be recharged when its battery level is below 20%.