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P0012 and fuel smell on oil cap and filter.
Was sitting at a red light and I noticed a slight surge and the check engine light immediately followed on my 2011 bmw 128i.
I have a cheap diagnostic scanner and it’s telling me, P0012 A Camshaft position timing over retarded bank 1.
I was checking things over and noticed the smell of fuel on my oil cap and filter.
Car starts right up without issue but I feel a lil hiccup or stutter on cold starts before the rpm’s lower. It won’t do it every time but the car is running a bit ruffer/sluggish lately, I thought cold weather was to blame. Considering my 128i isn’t a turbo car with direct injection I think I have a leaking injector and hopefully just a bad camshaft sensor in bank 1. I have read that the vvt vanos can also cause P0012. I don’t think the code is related to fuel getting in my oil but could be wrong.
I ordered a new seal/o-ring kit for all the injectors, two new camshaft sensors for both banks and some spark plugs.
If anyone with more knowledge and experience has any suggestions please chime in, i don’t know much about these cars, I just got it two months ago.
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