Well, it's the favorite time of the year. It's year-end X'mas and New Year holidays. Many will be taking this opportunity for a long year-end break. Those with family will usually go back to their hometown or even...
asking on behalf of my friend, he drives a B8 Ford. He has tried quite a number of oils, but he finds the engine to be rather "rough" at 4000km. Everytime he changes the oil, everything is smooth.