Is the bolt in the middle of a BIG round bushing? If so, well that's your motor mount so you better get that fixed ASAP. It should be covered under you ESP.
As for the starter, you should have that covered under your warranty too I would think. Swapping the starter isn't too bad a job. You could probably buy one form the local Auto parts store.
The hissing sound form you intake that has suddenly occured may be due to a loose connection with the intake somewhere. Otherwise, from experience most cold air intake systems hiss at idle anyway, so maybe it's nothing. But as always without seeing the car in person it's hard to guess as to what is going on with your simple description.
