12 13... Fault in fuel injection system
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
Evaluation of ignition voltage peaks in response to sudden accelerator loads.
- Beginning of dying-out process is not much higher than ignition voltage peak. Ignition system is OK.
- Beginning of dying-out process is considerably higher than ignition voltage peak. Fault in injection system:
- lean mixture
- defective injection valve
- low compressions