Why Your VW is Shaking While Idling Dart Auto 7 Important Signs That Your Mini Engine Mount Might Be Failing Royalty Auto Service Got an issue with my r53. I tried searching the group but no joy. My mini seems to have a really random hard misfire when idling and hot. It will rev between WHY YOUR CAR SHAKES WHEN IDLING If your car feels smooth while driving but starts vibrating or shaking at a stoplight, something isn't right. At idle, the engine runs at its Is this level of idle vibration and shift shock still acceptable? Is it time to replace the engine mounts? Anonymous participant Facebook R50 R53 Intermittent vibration North American Motoring