Quote:
Originally Posted by REVN128
My '09 128i idled rough at start and had occasional hesitation when accelerating. It was the Eccentric Shaft Sensor.
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For my car other than the early morning cold start issue (when leaving it overnight) I have no problems with hesitation in acceleration, or any rough idling as it is pretty stable through out.
Since my car is running fine for the rest of the day, I don't think its HPFP as that would play up any time of the day. I think the injectors are most probably it, will see if we can confirm it today.