Originally Posted by E90Company
True. When you do a cold start, the computer makes the revvs higher to warm up the cats quicker and get the oil flowing, the engine may shake a bit more due to that. Is it very rough shaking?
+1. My cold start is roughly in the 1k RPM and settles after a minute at around 650rpm. Since your car is pretty much brand new, take it in. I would say maybe a failing t-stat and/or water pump but you're like 60k premature for that problem.