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      03-25-2019, 05:36 PM   #2
n55david
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Drives: 2017 m240i, 2015 X3 x35i
Join Date: Aug 2018
Location: Michigan USA

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2017 m240i xDrive  [0.00]
2015 X3 x35i  [0.00]
2015 335i xdrive  [0.00]
Really not too bad tbh

The thing with the run flats is even if you lower the tire pressure youre not really getting anything by doing it as they are meant to hold their shape even with no air for x amount of miles before they break down.

So from my experience (20 years or so) of high hp drag racing, tuning etc etc... with street tires, pull around the water box as to not get your front tires wet and drag water up to the staging lines. do a quick spin of the rear tires to clean them off and to get them warm and then stop. Doing big smokey burns outs will do a few things with street tires... waste rubber and if you get them too hot they will become "greasy" and slick.

Its very difficult to get sub 2.0 60' times with any street tire on most cars. the trick with launch control on these cars seems to be to not sit for any long period of time with it engaged. You need to engage it and go, so timing is key. Also, yes..you have no reason to worry about reaction time as it does not effect you times in anyway. You can sit there for 45 seconds and still run a 13.0 etc
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD
2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots
IG: @n55david For pics and updates!
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