61 21 010 Removing and Installing Or Replacing Battery

WARNING: This page is about a different car, the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 650i, 2007 BMW 650i, and 2006 BMW 650i. 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

Observe notes on power supply /on intelligent battery sensor (IBS).

Necessary preliminary tasks:

Remove luggage compartment floor trim panel with fitted mat. See 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL

Disconnect battery negative lead (1). See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD

Disconnect plug connection (2) of one-pin IBS cable (3).

Release nut (5) of safety battery terminal (4). Tightening torque 61 21 1AZ . See 61 21 BATTERY WITH TERMINAL

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal (4) off by force.

Detach safety battery terminal (4) towards top, lay to one side and secure.

Fig 1: Identifying Plug Connection, One-Pin IBS Cable & Safety Battery Terminal

Courtesy of BMW OF NORTH AMERICA, INC.

Release both threaded pins (1) and remove both holders (2).

Detach vent (3) in direction of arrow.

Fold both clips (4) open.

Pull back battery (5) towards rear right out of associated mounts.

Lift out battery (5).

Installation:

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

Fig 2: Identifying Threaded Pins, Holders, Vent & Battery

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Read out fault memory, clear if necessary
Register battery replacement