Quote:
Originally Posted by Iphysc
did you manage to find the cause for this? mine started to do this, esp during cold start there's a slight stutter/judder even with brake down.
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My 116i runs rough and hesitates when the throttle is opened even just enough to start moving slowly, but only after a cold start.
It doesn't worry me because it settles down after a few seconds although there is slight hesitation when setting off unless I rev up a bit when letting the clutch up.
I think BMW have just set them up to run as lean as possible when the cat is cold to improve the emissions.