Porsche Cayenne 957 vibration problem solved
Ever since I bought my Cayenne, whenever the temperature dropped below 10 degrees Celsius, it would vibrate at idle and when braking. I drove it like that for one winter, but everything was fine in the summer. The second winter, the vibration intensified, and I started reading forums. Replacing the engine mounts and other methods didn't help, so I started fixing it by trial and error and...