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.
OIL SUPPLY SPECIFICATION
Filling capacity, engine oil change without oil filter element
Liters
8.40
Filling capacity, engine oil change with oil filter element