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      06-18-2025, 07:15 AM   #19
haru69
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Drives: bmw 5/4 series
Join Date: Oct 2022
Location: italy

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Quote:
Originally Posted by pbonsalb View Post
I am running Conti EC Sport 02 on my 2018 M5. Not Star spec and no issues. In fact, BMW uses the same Conti tires on the M5s at its Performance Centers.

But yes, if the front to rear diameter difference is more than about 1%, there can be traction control issues. At 90, tires are hotter. Could be the rears are much hitter than the fronts. Heat causes expansion. Maybe there is some way to check this and maybe use inflation pressure to fine tune.
my previus tires were exact same size..
i have heard from other people with my same car with these tires and they have no issues..
Appreciate 0