A, the 10 BMW 5 Series key plug-in charging method is as follows
1. Radio charging a, wireless charging device (SA6NW is located under the central armrest, use the lock button to insert the remote control key upward into the charger protruding clip under the middle armrest. b, you can also charge the key at home by using the radio charging disc with the mobile phone.
2.USB charging (using USB cable) Connect the remote control to the USB port through the Micro-USB socket on the left. Time to recharge a depleted remote: about 2.5 hours for USB cable and about 4 hours for radio charging.