Originally Posted by hhssss
my 135i has 18" wheels. does the spare tire compatible? i'm sure
the hole patern fit, but i was thinking that the spare tire might be
smaller radially and driving lopsided might not be good.
All 1-series use the same outside diameter tyres, whether the OEM wheel is 16", 17", 18" or 19". Only the tyre width and profile changes, the diameter stays the same.