61 21 010 Remove and install or replace battery

WARNING: Observe safety information for handling vehicle battery. Refer to 61 12... NOTES REGARDING THE BATTERY ELECTRONICS (LITHIUM ION BATTERY) and 61 20... NOTES REGARDING THE LITHIUM ION BATTERY .

To ensure the correct safety and convenience functions, install only the original battery (battery size and type) stored in the vehicle order. OBSERVE NOTE ON BATTERY REPLACEMENT .

Necessary preliminary work:

Clamp off BATTERY CABLE FROM NEGATIVE TERMINAL

Removal:

Fold up cover (1) on safety battery terminal (2).

Loosen nut (3).

Tightening torque: 61 21 1AZ .

CAUTION: Nut (4) must not be loosened or released.
Do not under any circumstances pull/lever off safety battery terminal (2) by force.

Pull off safety battery terminal (2) towards top, lay to one side and secure.

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Release screws (1) and remove retaining bracket (2).

Unlock connector (3) and disconnect.

Pull vent hose (3) off the battery (5).

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Release screw (1) and remove with holder (2).

Remove battery.

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Installation:

Join battery.

Join holder (2) and tighten with screw (1).

Tightening torque: 61 21 5AZ

NOTE: Make sure battery is correctly fitted in fixture.

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Insert retaining bracket (2) and tighten with screws (1).

Tightening torque: 61 21 5AZ .

Connect connector (3) to battery (5).

Connect vent hose (4) to battery (5).

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CAUTION: Danger due to released gases!

NOTE: The battery has two vent holes:

One vent hole (1) must be closed correctly with a dummy plug.
The vent hose (3) must be connected correctly at the other vent hole (2).

Always install the vent hose (3) with a downhill gradient to the outside!
No siphon formation!

Attach the safety battery terminal (3) on the positive battery terminal.

Tighten the nut (2).

Tightening torque: 61 21 1AZ .

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Close cover (1) on safety battery terminal (3).

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Replacement:

Required follow-up work:

CONNECT BATTERY CABLE NEGATIVE TERMINAL