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Home >> BMW >> 2012 >> 528xi >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N20 & N26) >> Fault Code Tests >> DTC P0133: BMW DTC 128901; DME -- O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Fault description

Fault description

The diagnosis monitors the dynamic properties of the oxygen sensor before catalytic converter.

Fault monitoring conditions:

The fault is detected when the oxygen sensor before catalytic converter responds too slowly.