61 21 010 Removing and installing or replacing battery

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe SAFETY INFORMATION 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 notes 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 Battery Bracket And Screws

G11153208

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.

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

G11153209

Courtesy of BMW OF NORTH AMERICA, INC.

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

Detach vent hose (3).

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