61 21 010 Removing and installing battery

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Observe SAFETY INFORMATION for handling vehicle battery.

Follow the notes for DISCONNECTING AND CONNECTING THE VEHICLE BATTERY .

Follow instructions on INTELLIGENT BATTERY SENSOR (IBS) .

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

Necessary preliminary work:

Remove INTAKE SILENCER HOUSING .
Remove BATTERY COVER

Removal:

Loosen nut (1).

Remove battery earth lead (2) from the vehicle battery.

Unlock and disconnect connector (3).

Secure battery earth lead (2) at the side.

Fig 1: Removing Battery Earth Lead From Vehicle Battery

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Release expanding rivet.

Remove the mounting for the gasket (1).

Fig 2: Locating Expanding Rivet

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Release screw and remove tension strut (1).

Fig 3: Tension Strut Screw Location

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Loosen nut (1).

Remove positive battery cable from positive battery terminal.

Pull the vent hose (2) off.

Release screw (3) and remove holder.

Remove vehicle battery (4).

Fig 4: Locating Vehicle Battery Vent Hose

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Replacement:

Coat positive battery cable with special grease.

Installation:

Install vehicle battery (4).

Join holder with screw (3) and tighten.

Tightening torque 61 21 4AZ .

Fit and clip the vent hose (2) in.

Connect the positive battery cable.

Tighten nut (1).

Tightening torque 61 21 1AZ .

Fig 5: Locating Vehicle Battery Vent Hose

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NOTE:

Make sure the vehicle battery is correctly seated in associated mounting
Make sure the vent hose (2) is properly routed.

Attention !

Danger due to released gases !

Installation 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).

Fig 6: Vent Hole And Hose Location

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Always install the vent hose (3) with a downhill gradient to the outside!

No siphon formation!

Join tension strut (1) and tighten with screws.

Tightening torque 61 21 5AZ .

Fig 7: Tension Strut Screw Location

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Join mounting for gasket (1) and secure with expanding rivet.

Fig 8: Locating Expanding Rivet

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Join battery earth lead (2) on the vehicle battery.

Tighten nut (1).

Tightening torque 61 21 1AZ .

Connect connector (3).

Fig 9: Removing Battery Earth Lead From Vehicle Battery

Courtesy of BMW OF NORTH AMERICA, INC.