Pull the hood release twice and open the hood.
Bmw smart key charging.
The proper way to charge a bmw battery is by using the jump start terminals under the hood.
Insert the display key into the charging pocket for wireless charging.
Buy bmw advanced battery charging system.
Locate the positive terminal under in the engine bay.
Put the display key into the center of the pocket.
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.
Noco genius1 1 amp fully automatic smart charger 6v and 12v battery charger battery maintainer and battery desulfator with temperature compensation.
For bmw key fob cover case with bmw 1 series x3 m5 keyless smart rmote silver 4 6 out of 5 stars 469.
A cheap 10 way to charge your bmw key fobs back up and probably any other rechargeable key fob.
I bought it here.