Action in service
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.
- Secondary fault: If electrical faults are entered for the oxygen sensor after catalytic converter, then these must be processed first.
- Check wiring harness and plug connection between DME and oxygen sensor after catalytic converter.
- Replace oxygen sensor after catalytic converter.