So I spoke to a few dealers (Tyre Point and Tyre Sales - someone was kind enough to share their details above).
Both said, they will exchange the Pirellis (4 - excluding spare) for 50K and each new tyre will be about 40K (Conti or Yokohama) so the swap differential will be about 110.
Could you please advise, who is swapping them for 85-90 ?