Quote:
Originally Posted by Black Gold
Do you have any supporting documentation for all of that?
Ive never heard any of that before, legitimately curios.
The ad08 is a very aggressive tire with a much firmer sidewall and more grip than any Bmw oem tire.
Also, the diameter of any 245/35/19 is the same, no matter who makes the tire.
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I went through a whole story with Michelin when I upgraded to the pss from ps2 tires.
Car started to understeer when fitted with the pss tires.
I went to the local BMW dealer and pressed on the sidewalks of the "star" rated pss tires installed on their M2 (same tire size +\-) and the pss were rock solid where my non-star rated pss tires were soft.
Swapped out the pss for the original ps2 and back to normal.
There is no documents that illustrate what the "star" rated tires are and how they are different. Like it is some huge secrete... losers...
In any event, I spoke with a Michelin engineer who explained that the star rated are a different diameter, sidewall stiffness and compound.
Stick to star rated... otherwise ...💸💸💸