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Originally Posted by DrM
Hi guys,
I just wanted to let you know that this problem is apparently not unique to cold weather. I have noticed this same thing here in Hawaii even though it is 75-80 degrees each day.
My car is about 2 months old and I have about 500 miles on it. As I am leaving the garage, I notice that it stumbles quite a bit for about the first 2-3 minutes. I haven't yet had the car die because of this, but it is clearly noticeable.
Fortunately, it usually takes a few minutes to get out of the garage (several floors down). After the first 2-3 minutes, the car is smooth as silk. I have just chalked it up as normal behavior for the car since it smooths out as soon as it reaches operating temperatures.
I think that I read that the car deliberately runs differently upon startup in order to heat the cats. Perhaps this is the reason.
Good luck all!
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If your car build was prior to Sept 15 check this TSB
http://www.bmwtis.com/tsb/bulletins/...p/B124606g.htm
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2007 335I, " Gray", Black Leather, Step, Comfort, ZCW, ZPP, ED - Oct 5, Dropoff Oct 9, redelivery Nov 15.