It looks standard to me, normal for it to pick up like that when on WOT... The PSS's are really surprising, they dont like the excess heat though i ripped chunks of mine off at the second session.. i posted pics on a seperate post.
Do your brakes fade at all? Im fiting braided lines and SRF liquid next week, but keeping pads for now as they are under warranty in switzerland and BMW replaces them for free
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