Hi Mike,
I think that you can rest assured that your new ASG will have the current updates already on it. I collected my new ASG high up on 27 th Sept having ordered it in 24 th June. My only previous ASG experience was driving the test car , this was obviously older but I can't remember what plate it was.
In comparison my car is much smoother on gear changes than was the test drive car. I haven't tried it in manual mode yet so can't ommemt on that. I have noticed occasional slight loss in power but these last only a second or two and have always occurred on straight roads almost as though the car has changed up a gear too soon. I'm still getting used to the car as Ive not driven any form of automatic before. So far. I'm very pleased with it and am very happy with my choice.
It is quieter than I had thought that it would be and the coloured dash ( mine is Mayan blue to match the outside) makes me smile every time that I get into it.
Don't get scared by all the negative ASG reports that can be found on the Internet, they are all pre update. Trust Beevee instead

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Hope you are happy with your ASG, please do feel free to pm me or message here if I can he you with any other questions,
Regards
Kat.