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[QUOTE=Daemonblitz;8478304]If the 19s work i don't see any reason why the 18s would not. They are still the same width and offset.
F: 8.5" wide ET:29
R: 9.5" wide ET:23
As for weight BMWs "claimed" numbers, the 18s are:
F: 11.05
R: 11.75
The 19s claimed weight:
F: 10.7
R: 11.4
As a point of reference our stock rims claimed weight for cars built until 12/07:
F: 12.15
R: 13.65
Cars built after 12/07:
F: 12.0
R: 13.3
Again, these are the "official" numbers according to BMW, and real life weight might be slightly different, but it still gives you a good reference.[/QUOTET
These weights are of course not correct unless you are using a different scale. Stock wheels are mid 20lb range. 18's are better for the track in my opinion. More tire options, less weight, lower cost, faster car.
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