5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Hey guys, I'm new to Bimmerwerkz. Got a 1995 530i 5spd. Recently my check engine little started coming on intermittently and engine was running rough. I used the Peake R5 FCX3 and got codes Cb, C9, OC Od. So I replaced both O2 sensors with Bosch Premium O2 Sensors. I then cleared check engine codes with the R5 FCX3, and drove around the block. The check engine light came back on and running very rough. Rechecked codes and got OC Od, which is O2 #1 and O2 #2. Any ideas how to solve. - Thanks for the help.
Yeah they are screwed-in tight and I made sure the connectors were secure also.
I tried the stomp test to get the OBD codes, but can't seem to get the timming right ... or something. Tried at least 10 times and no reponse from OBD.
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