61 21 010 Remove and install or replace battery

WARNING: This page is about a different variant/trim than selected.

WARNING: Observe safety information for handling vehicle battery. See SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY and (SAFETY) INFORMATION ON AGM BATTERY .

Follow instructions for DISCONNECTING AND CONNECTING BATTERY .

Follow instructions 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. See 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 lead (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 And Positive Lead With Nut, Screws And Vent Hose

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