Code 1212

[glen-sj]

The check engine light came on momentarily. Stomp test revealed a code of 1212 - Oxygen Sensor #2. Which side is the #2 sensor located on the 1995 530i USA - driver side or passenger side?

Thanks.
glen-sj

[shogun]

right side (in driving direction) is always the first cylinder row.
No matter which engine
1-4
1-6 ECU I

left side = driver side on left hand cars
5-8
7-12 ECU II