61 20 900 Disconnecting and connecting battery negative lead

WARNING: Observe SAFETY INFORMATIONS for handling vehicle battery.
Follow instructions for DISCONNECTING AND CONNECTING BATTERY .
Observe notes on VOLTAGE SUPPLY /on intelligent battery sensor (IBS).

Necessary preliminary work:

Removal:

Release clamps (1).

Fold up storage shelf (2).

Fig 1: Identifying Storage Shelf With Clamps

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Loosen nut (1).

Detach battery negative lead with IBS towards top, lay to one side and secure.

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

Fig 2: Identifying Battery Earth Lead Nut

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Installation:

Insert battery earth lead with IBS and tighten with nuts (1).

Tightening torque 61 21 1AZ .

Fig 3: Identifying Battery Earth Lead Nut

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Insert storage shelf (2) and fasten with clips (1).

Fig 4: Identifying Storage Shelf With Clamps

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Required follow-up work: