Diagnostic Overview
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 plausibility check of the IAT compare the temperature of bank 1 and bank 2. As soon as the difference in-between bank1 and bank2 becomes too high, a malfunction for the suspected sensor (bank) will be set. To define which sensor is not functioning properly a intake air temperature model is used for.