Quote:
Originally Posted by 2013F10
You can use Bimmercode to program in the larger tire diameter, which will adjust the speedo. I did this when I went from stock 18's to M5 20's.
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Just saw this post- I have a 535i Msport 6spd mnl- I got rid of my stock 19" wheels with the stock low profile run flats- am now running 20"373 wheels from a 6 series with 245 40 20 front, rears 275 35 20 non run flats. Higher sidewall, no clearance issues and the car rides so much better. Purchased a new spare donut and jack for piece of mind. 2 photos, the one next to the wall is 20", one in the lot at the dealership with 19"