The BMW card key can be activated by:
1, the card key uses nfc communication technology, as long as the vehicle matches the card, the card can be posted to the door handle of the driving position to unlock;
2, after entering the car, put the card into the center control wireless charging smart phone tray, you can start the vehicle;
3, after getting out of the car, attach the card to the door handle of the driving position, and you can lock it when you hear a sound