DTC P2273, BMW Hex Code 0x273B, BMW Code 10043: O2 Sensor Signal Biased/Stuck Rich (Bank 2 Sensor 2) (MAX): Remarks
Active trim control (steady-state operation between 2000 and 3000 RPM in part-load range.... min. 120 sec.)
Active trim control (steady-state operation between 2000 and 3000 RPM in part-load range.... min. 120 sec.)