61 12 013 Replacing negative battery lead

WARNING: Observe SAFETY INFORMATION for handling vehicle battery.
Read and comply with safety notes and notes on INTELLIGENT BATTERY SENSOR .

Remove flap (1).

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Slacken nut (1) on negative battery terminal.

Tightening torque, refer to: 61 21 1AZ .

IMPORTANT: Do not under any circumstances use force to pull off negative terminal.

Detach battery earth lead with intelligent battery sensor (IBS) in upward direction, lay to one side and secure.

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Disconnect plug connection (2).

Release nut (3) and battery earth lead (4).

Tightening torque, refer to: 61 21 6AZ .