Quote:
Originally Posted by icabod7
Painpro, can you give us your thoughts on 1-series offsets?
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Quote:
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Originally Posted by stevenc
I still need to know what sort of rubber is recommended for a 1 series without camber plates on the EC7
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Two wheels were made specifically for the 1 series. None of the other wheels are an acceptable fitment for this application. The following are the only sizes that should be used on a non-m 1 series (1M can copy M3 fitments).
18x8.5" ET45
18x9.5" ET58
The 18x8.5" ET45 wheel can be used with a 235/40/18 on a stock or modified car. With camber plates set to -1.5 degrees or more a 245/35/18 can be used cleanly. With camber plates and trimming of tabs within the fender and a possible need for a thin spacer depending on the specific tire, a 255/35/18 can be used up front.
The 18x9.5" ET58 can be used with a 265/35/18 on a stock or modified car on the rear. This is the intended tire size for this wheel/offset. 255/35/18 can easily be run without any issues. 275/35/18 can be run but fender rolling may be required depending on the tire used. The 275 setup is not recommended without research and familiarity with all the variables.
If a square setup is desired, then the only direct bolt on would be 235/40/18 square on a stock car. with camber plates up front a 245/35/18 square setup could be used. 255/35/18's will not fit properly in the rear on the 8.5" ET45 wheel without aggressive fender modifications which is why we recommend limiting an 18x8.5" ET45 square setup to 245/35/18 tires.
Please note: we do NOT recommend the use of 245/40/18 tires as they are tall.