61 21 010 Remove and install or replace battery

WARNING:

Observe SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY and INFORMATION ON AGM BATTERY .

Follow instructions for DISCONNECTING AND CONNECTING BATTERY .

Observe information on INTELLIGENT BATTERY SENSOR (IBS) .

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 tasks:

Remove RIGHT COWL PANEL COVER

Loosen nut (1). Tightening torque 61 21 1AZ .

Disconnect battery earth lead (2) and secure at side.

Loosen nut (3). Tightening torque 61 21 1AZ .

Remove positive battery cable (4).

Detach vent hose (5).

Release screw (6) and remove with holder. Tightening torque 61 21 2AZ .

Lift out battery.

Installation note:

Make sure battery is correctly seated in associated fixture.

Fig 1: Identifying Battery Earth Lead, Positive Battery Cable, Vent Hose, Screw And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Read out fault memory, clear if necessary
On vehicles with IBS (intelligent battery sensor) REGISTER BATTERY REPLACEMENT