I recently bought a second hand A220 and I am loving the car. One thing I have noticed though, at 60-70mph the car feels like its going to stall? Shaky feeling but no strange sound or anything, I suspect it's a gearing issue because if I put it down into 5th it feels fine. Has anyone else...

My car went back to the dealership this week to have a possible gearbox whine investigated. They had my car for 5 days and gave it a thorough check over. No faults were found. They also took a customers A220 for a comparison test drive and found it to make the same noise, so they have put it...