View Single Post
      01-30-2017, 06:08 PM   #3
Flying Ace
Lieutenant General
Flying Ace's Avatar
4985
Rep
11,891
Posts

Drives: G05 45e, 997.1 & 991.1 GT3s
Join Date: Jul 2014
Location: SF, CA

iTrader: (5)

you need to keep the overall diameter. So I think OEM 18s in OEM tire sizes should work with OEM 20s that has OEM tire sizes. It's the same concept with a compact spare. The BMW spare and spec tire is the same diameter as all OEM 18-20 inch wheel/tires
__________________
Appreciate 0