Just wondeing if this has ever happened to anybody? Im curious because it happened to me last night. Last week, it went under a software update, and its been shifting gears nicely for the most part, but last night, i was at a set of lights, on a flat road, about to take off, and the car shuddered like mad, felt like it was going to shake to bits, then stalled. I started it up again, and it took off as normal.