I have a petrol 1.8 TSFI and have noticed that since the winter (maybe a coincidence) that my exhaust is constantly blowing out white smoke. The car itself drives as it always has, but it has been kind of bugging me. Even after a 25mile drive tonight (not freezing cold but let's say mild-winter) the exhaust is still smoking away, even when other cars at the traffic lights are not. I know that as the exhaust is cold in the winter this will happen, but it usually clears itself once things are warmed up a little. My other car was a Lexus and did not have this problem so I am a little worried..