Pull the hood release twice and open the hood.
Bmw smart key charging.
A cheap 10 way to charge your bmw key fobs back up and probably any other rechargeable key fob.
Locate the positive terminal under in the engine bay.
Open the driver door using the emergency key found inside the key fob.
Noco genius1 1 amp fully automatic smart charger 6v and 12v battery charger battery maintainer and battery desulfator with temperature compensation.
I bought it here.
Bmw keys are charged while in the ignition.
From position 1 kl r and 2 run position the key s battery will be charged using inductive charging.
Open the center console of equipped bmw models and locate the charging pocket along the side of the console closest to the driver s seat.
Insert the display key into the charging pocket for wireless charging.
Make sure the lock button on the key fob is facing upwards.
Buy bmw advanced battery charging system.