61 21 010 Removing and installing or replacing battery (Sedan)
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Observe safety instructions
for handling vehicle battery. Notes and instructions on Intelligent Battery Sensor IBS.
Necessary preliminary tasks:
- Remove flap in luggage compartment panel on right. See 51 47 171 REMOVING AND INSTALLING/REPLACING FLAP IN LUGGAGE COMPARTMENT TRIM ON RIGHT .
- Disconnect battery negative lead
- Remove distribution box
Unlock positive terminal cover (1) and remove.
IMPORTANT:
Do not under any circumstances pull/lever safety battery terminal off by force.
Battery crash element must be reinstalled!
- On vehicles from build date 12/2006 or when IBS is replaced since 12/2006, battery crash element has been removed without replacement (IBS2006 replaces IBS2004 from 12/2006 IBS2004)
Detach vent (1) in direction of arrow.
Release nut (6) of safety battery terminal (2).
Tightening torque, see 61 21 1AZ in 61 21 BATTERY WITH TERMINAL .
Detach safety battery terminal (2) towards top, lay to one side and secure.
Release threaded pin (5) and remove holder with battery crash element (4).
Fold back both bar fasteners (3) and pull battery towards rear out of associated fixture.
Lift out battery.
Installation:
Make sure battery is correctly seated in associated fixture.
Replacing version with intelligent battery sensor (IBS):
- Register battery replacement
- Read out fault memory, clear if necessary