Originally Posted by Cyrix2k

I just ordered a used one with 64k miles on it. We'll see if that fixes it. I got the X5 all warmed up and looked at the pulley and I think it does have a very slight wobble to it.


Yeah. I knew some of them were made like this but always thought failure was extremely rare. On older vehicle where the crank position sensor actually reads the crank pulley, the outside of the pulley can slip and throw the reading off.