61 21 028 Charge battery

Overview of Activities 

Key processes 

1. Charge battery

Additional Information 

General information 

Key processes 

1. Charge battery 

   TECHNICAL INFORMATION 

   Observe the notes on handling the vehicle battery.

   For more information see:

   61 00... Safety instructions for handling vehicle battery 

   61 00... Notes for disconnecting and connecting battery 

   61 12... Information on intelligent battery sensor (IBS) 

   • Charging lead-acid batteries and AGM batteries 
     • Connect to a charger approved by BMW.
     • If the battery is charged while it is still installed: always connect the charger to the jump start terminal point in the engine compartment.
     • Fully charge the battery.

       The battery is fully loaded once the charge current drops below a certain value:

       Battery temperature	Charge current
       15° C - 25° C	<2.5 A
       < 15°C	<1.5 A

     • Disconnect the charger after having completed charging.
   • Charge lithium ion battery 

     TECHNICAL INFORMATION 

     Comply with notes on handling lithium ion batteries.

     • Adapt the charging voltage on the charger to the lithium ion batteries.

       Too high charging voltage can lead to opening of the electronic disconnect switch.

     • Connect to a charger approved by BMW.
     • Fully charge the battery.
     • Disconnect the charger after having completed charging.