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Discussion Starter · #1 ·
I'm picking up a set of used wheels/tires tomorrow for my 2005 330ci, will a set of 18" bmw style 400 wheels fit fine, the specs are:
Front - 8X18 - 225/45/R18 - ET34
Rear - 8.5X18 - 255/40/18 - ET47

Thanks
 

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Those tire sizes seem tall to me. My 330Ci came with 225/45-17 and 245/40-17, so when I move to 18s this year, I will need to lower the aspect ratio to 40/35 to keep the same tire height. You might compare the sizes you listed to the original sizes on the car, just to be sure.
 
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