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I think a lot of people just don't know enough about the differences in the 318 to intelligently comment. Also doesn't help that you posted in DIY versus a section where people frequent like General more often.
It would help too, if you provided any symptoms you are seeing besides the check engine light.
Things to consider based purely on your codes:
- Pull connection to MAF/IAT and see if it runs ok. Tho if you're on IAT (probably) then its more map based anyway...so less chance that it helps. Also clean your intake filter and check for leaks.
- Ecentric Shaft Sensor - see if there is oil in there by pulling the hose towards the front of the valve cover and looking into the sensor prongs for collected oil
- Valvetronic actuator or CPS. Can try relearning. CPS could need replacing.
- Vanos valves (two of them) in front of the engine...check for debris; clean off with brake cleaner and dry.
Again, I don't know enough about the 318 to really speak fully intelligently about it, but those might be places to start.
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