61 12 013 Replacing the battery earth lead

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WARNING: Observe SAFETY INFORMATION for handling the vehicle battery.
Observe the notes on the INTELLIGENT BATTERY SENSOR (IBS) .

Necessary preliminary work:

Disconnect BATTERY EARTH LEAD

Disconnect plug connection (1).

Remove nut (2) and battery earth lead (3).

Tightening torque 61 21 6AZ .

Fig 1: Identifying Battery Earth Lead, Plug Connection, And Nut

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