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      09-26-2020, 02:07 AM   #2
SeanWRT
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Drives: E90 M3 & F87 M2
Join Date: Sep 2015
Location: Shanghai

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Been thinking about this topic for a while. My guess is low 7:40 given below:

1) From E9X to F9X, the upgrade is significant - 100whp, much more advanced tyre, in a similarly weighed body, leading to a 10s faster ring time.

G8X to F8X, differences are 50whp + slightly better tire (only bigger in width) and a 300lbs heavier chassis. The AWD doesn't necessarily improve track time because of weight and imbalance, even 9114s cannot squeeze a better over the 2s..

I tend to believe G8X is smaller performance improvement over F8X than F8X over E9X. And thus 7:4X would be a legit estimate.

2) As mentioned, M5 is positioned at 7:36 and BMW would want a clear hierarchy as always.

3) if base/comp clocks at 7:3X, M34 CS needs to be in the 7:20 which is ridiculous. That's Audi R8 performance territory, a lighter, stronger ground up supercar and is what 992s is incapable of. Traditionally 991 base or S is equally fast or even faster than the ultimate M car (csl/gts). The BMW can claim 7:2X for the CSL of this gen though.

IMO, G8X would be a serious dragster like M never was before. But track performance improvement should be incremental like the evolution thru every generation.
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