61 21 010 Removing and installing battery

WARNING: This page is about a different car, the 2006 BMW X3, 2005 BMW X3, and 2004 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe safety instructions for handling vehicle battery. Refer to 61 00... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE 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 tasks:

Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL

Unfasten plug connection (2) and disconnect.

Fig 1: Disconnecting Battery Negative Lead

G03311950

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect battery negative lead (1). Refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Open positive terminal cover (3).

Release nut (1) of safety battery terminal (2), tightening torque, 61 21 1AZ. Refer to 61 21 BATTERY WITH TERMINAL .

Fig 2: Releasing Nut

G03311951

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal (2) off by force.

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

Release threaded pin (1).

Fig 3: Removing Battery

G03311952

Courtesy of BMW OF NORTH AMERICA, INC.

Fold upper holder (3) up.

Take off holder (2).

Detach vent (6) in direction of arrow.

Fold both clips (4) open.

Lift out battery (5).

Installation:

Make sure battery (5) is correctly seated in associated mounts.

Replacement:

Read out fault memory, clear if necessary
On vehicles with IBS (intelligent battery sensor) register battery replacement