Monitoring function: P- / I-Share
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 trim control plausibility monitoring detects a high deviation of the l-share of lambda trim control or exceeding the number of P-jumps greater than an application threshold. If this happens the following malfunction is detected:
Fuel trim above limit - system too lean or system too rich
If the mentioned malfunction is detected, the corresponding fault code is stored.
Malfunction for I-share:
For fuel trim system too lean: P2096 / P2098
For fuel trim system too rich: P2097 / P2099
Malfunction for P-share:
For fuel trim system too rich: P114A / P114C
For fuel trim system too lean: P114B / P114D