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Old 01-11-2013, 06:33 PM   #3
Past Site Sponsor
Join Date: Jun 2012
Location: Bay Area, CA
Posts: 106
My Ride: E36 M3
18x9.5" ET35 wheels in a square format on an E46 are about the limit of what the car can fit. People use these wheels on their car but it is always at a compromise of using narrower tires on the wheel and a good amount of negative camber.

Almost all of the people that have used the 18x9.5" ET35 in a square fitment on their cars use a 245/35/18 because any tire that is much wider or taller is a very tough fit. A 255/35/18 could possibly fit with enough negative camber achieved through adjustable camber plates up front and fender pulling in the rear but it would not be possible though pulling the front alignment pins on your stock strut mounts alone. A 265/40/18 tire is significantly too tall and wide to fit under your fenders.

This car is using significantly stretched tires that are 245/35/18 or even smaller and you can see how far the 18x9.5" ET35 wheel pokes out from the fender:

A much better fit that is still a concave wheel would be our 18x9.5" ET43 EC-7 wheel with a 255/35/18 tire. This wheel was specifically designed with your car in mind to allow for a concave wheel but not the fender work that usually accompanies a concave wheel. The front would need a 15mm wheel spacer and negative camber achieved through adjustable camber plates.

This car has 18x8.5" ET35 and 18x9.5" ET43 EC-7's with 235/40/18 and 255/35/18 tires.
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