Ignition Timing
WARNING: This page does not describe the selected car, but rather 60 other vehicles, including the 2008 BMW 760Li, 2007 BMW 760Li, 2006 BMW M3, 2006 BMW 760i, and 2006 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.
Ignition timing is electronically controlled and is not adjustable. Ignition timing can be accessed using BMW's GROUP TESTER ONE (GT-1) or DISplus hardware system.