The 330e M Sport is a plug-in hybrid which must be connected to an external power source regularly to charge its 12kWh battery.
The charging flap is located on the left side of the car near the front passenger door, which worked well for me as I could steer the 330e into my driveway and connect to a powerpoint on the wall using the charging cable provided.
It took me about six hours to charge the battery to 100 per cent from zero and that gives you a maximum 57km of electric driving range.
During my four days with the