Necessary preliminary tasks:
WARNING: This page is about a different car, the 2011 BMW M3, 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.
Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
NOTE:
Use BMW-recommended battery tester* to test the battery.
*Sourcing reference BMW Workshop Equipment Catalogue
Procedure:
- Turn off ignition and close doors
- Connect battery tester directly to battery terminals
- Select Battery test and confirm
- Enter vehicle identification number
- Enter battery data
- Carry out battery test