That's a contradiction of terms, Runflats and great handling in the same sentence.
On paved roads, wet or dry, RFTs are non-responsive and lack any feel thru the wheel.

RFTs can "save the day", but they can also "drain the wallet" (replacement is required after driving them without air for any significant distance).

Question; What can a repaired RFT can be trusted for?
Answer: Rolling a vehicle out of the garage.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!