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Home >> BMW >> 2004 >> X3 30i, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 737 (General Electrical System - Repair) >> 21 Battery Removal >> 61 21 010 Removing and installing battery

61 21 010 Removing and installing battery

WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 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, see 61 00 ... Safety instructions for handling vehicle battery 

Necessary preliminary tasks: 

Unfasten plug connection (2) and disconnect.

Disconnect battery negative lead, see 61 20 900 Disconnecting and connecting battery negative lead 

Open positive terminal cover (3).

Fig 1: Identifying Plug Connection
G04761598Courtesy of BMW OF NORTH AMERICA, INC.

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

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.

Fig 2: Identifying Battery Terminal And Nut
G04789301Courtesy of BMW OF NORTH AMERICA, INC.

Release threaded pin (1).

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.

Fig 3: Detaching Vent
G04789435Courtesy of BMW OF NORTH AMERICA, INC.