LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
BMW
>>
2017
>>
320i Standard Trans
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Self Diagnosis - Diagnostic Trouble Codes (N20 & N26)
>>
Fault Code Tests
>>
DTC P2237: BMW DTC 12BD52; DME -- O2 Sensor Positive Current Control Circuit/Open (Bank 1 Sensor 1)
>>
Service instruction
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Service instruction
Do not allow plug connection to come into contact with cleaning agents or solvents, since the oxygen sensor can be destroyed as a result.