is there a censor in the valve cover and where is it

What is your question?

I was told that the reason my car was shaking when I was stopped at a light was because this censor was not working I changed the valve cover and it still does it and engine light is still on

What makes this problem better or worse?

when Im stopped at a light it shakes

How long has your 2008 BMW 128i had this problem?

since summer 2020