Evaporative Purge System: Notes
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.
The Evaporative purge system consists of one charcoal canister and two purge valves, one for each cylinder bank. The system check includes an electrical and a rationality check of the purge valves.