61 21 010 Removing and installing or replacing battery (Coupe/Convertible)
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.
IMPORTANT:
Do not under any circumstances pull/lever safety battery terminal off by force.
Necessary preliminary tasks:
- Remove battery cover. See 51 47... REMOVING AND INSTALLING/REPLACING BATTERY COVER .
- Disconnect battery negative lead.
- Remove Distribution Box (Coupe/Convertible) or Distribution Box (Sedan) .
Open positive terminal cover (1) and slacken nut beneath. 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. Detach vent (3) in direction of arrow. Release threaded pin (4) and remove with holder. Lift out battery (5) by handles (6).
Installation: Make sure battery is correctly seated in associated fixture.
Replacing version with intelligent battery sensor (IBS):
Read out fault memory, clear if necessary. Register battery replacement.
Battery registration can only be carried out with the BMW diagnosis system. Function selection:
- Service functions
- Body
- Power supply
- Battery
- Register battery replacement