I just bought a new set of 20" style 214 wheels and tires for my X6 3.0d ( not here yet )

My concern goes because my car came with factory 19" w/runflats , so I was wondering if I will have any kind of trouble when I switch to the new non-runflat tires and non tire preassure monitoring system ?

Do you think the car will give me some kind of warning or any electronic error message ?

Any suggestions or comments will be highly appreciated
Bernie

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