Greetings
My 2011 came with factory 18"s with run flats ( I think they are style 215).

Post winter, I would like to upgrade to 19s or 20s which mostly come staggered on the X6.

Can anyone confirm that these are a straight bolt on, and do not require any mods, nor will it change anything (maybe a little with the speedo), that will come back to haunt me later...

Also, even though I have run flats, I needed the extra security of a spare so I bought a "kit" which includes the donut, jack, and handle. In a pinch, could I run a donut with 19s or 20s for a short time?

Many thanks....

ed in NJ

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His - 2011 X5 3.5i
Hers -2004 325 CiC