Quote:
Originally Posted by SYT_Shadow
Quoting myself: did it this past weekend during a track day.
It is a night and day difference. OEM GTS software FTW!! I can use D1 now when I want to put around and it's much smoother than the old D3 yet is just as fast.
Driving it on the track it is also significantly better. I thought the old software was pretty damn fast already, but this is just icing on the cake
By the way, I am not concerned about this being bad for the tranny. BMW used the same model tranny for both the GTS and the regular M3, so why worry?
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GTS utilizes an additional cooler and higher fluid capacity. Haven't experienced any negatives from the track guys though as far as longevity.