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I've never tracked my car, but I do like to play in sport+ on mountain roads.
Usually, high performance tires are made out of soft gum, but the Michelin are holding up very well (had them on my F85 X5M and on my current M5).
I'd say that I drive 70% of the time on highway at high speeds, 20% on mountains roads and 10% of city drive.
I changed my PS4S at 40.000 kilometers, and I'm sure that I could've done 5.000km more.
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