Stutter at startup?

[Saskatchewan17]

Whenever left sitting cold overnight or for a good amount of time, my MS3 has a slight hesitation after turning the engine on before it fires up... It only has about 4,000 miles on it and never has been modded. What could the problem be?

 

[HotSnatch]

Mine does the same thing. A very subtle stutter upon first starting the car. I don't think its anything to worry about, but I could be wrong. I've got 5500 miles on mine.

 

[Jasnall]

I have 28k on mine, mine does a slight studder when i first start it up in the morning