Originally Posted by Sam335ix
Thank you for the reply but my car is a 2011 with The latest update... Do you think i still need to update it? After talking to Terry at BMS he said its possible a turbo leak exist due to the charge pipe or dp .
Try checking your intake to make sure everything's fitted properly? The BMW agent did mention that the air filter/intake does have an effect on the idling. I'm not sure how true or relevant it is but just a small suggestion (: