61 21 010 Removing and installing or replacing battery

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe 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
Clamp off BATTERY NEGATIVE LEAD

Release screw (1) and remove bracket (2).

Fig 1: Identifying Bracket Screws

G06911442

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).

Tightening torque 61 21 1AZ .

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

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

Detach vent hose (3).

Fig 2: Identifying Vent Hose, Battery Terminal With Nut And Bracket Screw

G06911443

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (4) and remove bracket (5).

Lift out battery.

Installation:

Make sure battery is correctly seated in associated fixture.

Replacement:

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