The E46-chassis M3 came stock with a staggered wheel and tire setup: 225/45R18 tires on 18x8-inch wheels up front and 255/40R18 tires out back 18x9.0-inch rear. Somewhere along the line, our car picked up some Bremmer BR05 wheels in the stock size.
However, 225mm tires are kind of narrow for a 3400-pound, 333-horsepower car. Let’s go a little wider—and while …
I did this on my G35 coupe. It really changed the handling balance nicely. It was very neutral after the change, without changing springs, dampers, or sway bars. And makes tire rotation possible, at least for me as I was running the same width rims all around.
I'm curious, what's the reason for switching to a square tire but keeping the staggered wheels? 18x9.5 square is a very common square fitment for a e46 m3, 18x10's fit under stock fenders with the right offset and alignment.
seems like a 18x9 square or 18x9.5 square setup would give you even more front grip and have the added bonus of being able to rotate front/back without paying a shop to dismount tires and put them on the opposite wheels.
klodkrawler05 wrote: I'm curious, what's the reason for switching to a square tire but keeping the staggered wheels? 18x9.5 square is a very common square fitment for a e46 m3, 18x10's fit under stock fenders with the right offset and alignment. seems like a 18x9 square or 18x9.5 square setup would give you even more front grip and have the added bonus of being able to rotate front/back without paying a shop to dismount tires and put them on the opposite wheels.
I had the exact same thought. If you're buying new wheels, I would think you would go with a true square set up. Otherwise, you still can't rotate front to back easily.
Heck, I've known people to run 4 of the stock M3 rears with 265s on them without issue. There's a good bit of room to play on the E46. Even the non-M sedan (the worst of the group for tire clearance) fits square 255/40R17s on 8.5s just fine.
These look much better on your car than as boxes stacked in your office taking up valuable space that could otherwise be used for more clutter...
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