I've experienced this issue when ambient temperature is 60F-85F. Again, I want to emphasize that in no way am I being aggressive with the car when this happens. A typical example is I start the car (ambient temperature 80F), let the idle settle after a minute or so, slowly work my way through a...
Thanks for this reply. Just to clarify something though, I'm not anywhere close to "jumping on it" when this happens. It's literally at maybe a little more than 1/3 throttle when this happens. Think of it as accelerating moderately to blend into traffic.
I've got 2300 miles on our S650 and I'm experiencing some strange shifting behavior when the car is cold. After starting the car and letting the idle settle, if I give it 1/3 to 1/2 throttle as I pull away, the transmission stumbles pretty badly between first and second and again between third...