I can't believe the valets know what Morr is!
Mlai, if you really want to keep the PSS, you can think about increasing camber on the fronts, it is adjustable. Just don't know how much you need to increase, to make the ~5mm difference it seems with your change of tires. Also, the car is set with lots of negative camber (top out) on the front, but not back, increasing camber is something one could consider for its own merits, for better balance and less understeer (I'm no expert, just internet knowledge as usual hehe).
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