Dealer extended warranty cost on RR or BMW cost?

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Anyone know approx cost of extended warranty on RR sport or BMW x7 to cover it bumper to bumper
like 7/100k or 10/100k…

looking at both these cars just curious what the warranty runs after lease end.Although on the RR
i may go for a 2 year old very low mileage one that is CPO but that ends in 3 years…I know both of these can be very expensive to fix when they break.,
Just want to know low end to shoot for.
TIA

See some commentary on third party extended warranties in here:

Don’t even bother. I’ve sold many cars privately and the RR was the only one that was a PITA.

Just lease an X7.