BMW P1112: O2 Control (Bank 1) System Too Rich
Is your scanner showing BMW P1112?
No worries. We'll show you what it means and how to deal with it.
BMW P1112: O2 Control (Bank 1) System Too Rich
OVERVIEWWhat Does The BMW P1112 Code Mean?
When the P1112 code appears, it suggests that the signal from the Bank 1 Sensor 1 oxygen sensor is either out of range or not functioning correctly.
What Are The Potential Causes Of The BMW P1112 Code?
- Oxygen sensor (before catalytic converter) is faulty
- Oxygen sensor (behind catalytic converter) is faulty
- Oxygen sensor heater (before catalytic converter) is faulty
- Oxygen sensor heater (behind catalytic converter) is faulty
- Circuit wiring
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Bosch 13477 Premium Original Equipment Oxygen Sensor
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1112, DTCDECODE.
