Mate, get any tyres that you wish...
Your original Pirelli P Zero had Seal Inside Technology; Seal Inside: discover the technology | Pirelli
My Passat Alltrack had the same (along with many other cars in the past), I replaced them with Goodyear Eagle F1 Asymmetric 5 tires.
Different tyre manufacturers call it a different thing, however is not required (don't get confused with Run Flat Technology).
I do not know of any VW's in the range with Run Flat.
Either way, those 245/35 R20 95Y tyres are going to cost you a pretty penny!
Everyone has their favorites, but you can't go wrong with Dunlop, Goodyear, Michelin, Pirelli in my personal opinion.
Let us know how you go!
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