61 20 900 Disconnecting and connecting battery earth lead
WARNING:
Observe all applicable SAFETY INFORMATION .
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .
Observe information regarding AGM BATTERY and INTELLIGENT BATTERY SENSOR (IBS) .
Open cover (1).
Version without intelligent battery sensor (IBS) :
Loosen nut (1).
Tightening torque 61 21 1AZ .
Disconnect battery earth lead (2) and secure at side.
Fig 2: Identifying Battery Earth Lead And Nut - Equipment Specification Without Intelligent Battery Sensor
Version with intelligent battery sensor (IBS) :
Loosen nut (1).
Tightening torque 61 21 1AZ .
Disconnect battery earth lead (2) and secure at side.