Fault description
WARNING: This page does not describe the selected car, but rather 59 other vehicles, including the 2018 BMW X4, 2018 BMW 320i xDrive, 2018 BMW 320i, 2017 BMW X4, and 2017 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
Diagnosis monitors the duration of the working cycles and compares it with the other cylinders by evaluating the engine speed signals (segment periods).
Fault monitoring conditions:
The fault is detected when the crankshaft during the working cycle of the respective cylinder is retarded compared to the other cylinders.