61 20 908 Carrying out battery "power reset"
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Observe SAFETY INFORMATIONS FOR HANDLING VEHICLE BATTERY .
The following steps must be carried out for a "power reset":
- Switch off and disconnect battery charger
- Switch off ignition
Vehicles with ID transmitter: Remove ID transmitter from slot
Vehicles with comfort access system: Make sure terminal is in 0 position
- Disconnect battery negative terminal
- Reconnect battery negative terminal (to ensure bus activity)
- Waiting time (5-10 seconds)
- Disconnect battery negative terminal
- Waiting time (1 minute)
- Connect battery negative terminal and tighten, tightening torque 61 21 1AZ
- Connect and switch on battery charger
- Switch on the ignition.
IMPORTANT:
Observe SAFETY INFORMATIONS FOR HANDLING VEHICLE BATTERY .
The following steps must be carried out for a "power reset":
- Switch off and disconnect battery charger
- Switch off ignition
Vehicles with ID transmitter: Remove ID transmitter from slot
Vehicles with comfort access system: Make sure terminal is in 0 position
- Disconnect battery negative terminal
- Reconnect battery negative terminal (to ensure bus activity)
- Waiting time (5-10 seconds)
- Disconnect battery negative terminal
- Waiting time (1 minute)
- Connect battery negative terminal and tighten, tightening torque 61 21 1AZ
- Connect and switch on battery charger
- Switch on the ignition.