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The Tire Rack's Tire & Wheel Forum
Use this forum to discuss anything in relation to wheels to tires to offsets.
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Old 02-05-2013, 07:20 PM   #1
sharkbite01330
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Question About E46 Offset

Right now i'm running 225/45/17 in the front & 245/40/17 in the back. The car is stock height with stock m68s. I know I need 5x120 but not sure on what + Offset to go with and what's the best size with no fender rolling. I'm open to fender rolling if need be. I just want a nice flush look, nothing like baby daytons or anything dramatic. Any help is greatly appreciated.
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Old 02-05-2013, 07:42 PM   #2
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Offset depends on wheel width. Decide that first
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Old 02-05-2013, 10:26 PM   #3
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Style-68 M-double-spoke wheels:
2 Front 17x7.5 Offset 41
2 Rear 17x8.5 Offset 50
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Old 02-06-2013, 11:47 AM   #4
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Did you want to step up in diameter as well?

We recommend 18x8.5 ET35/18x9.5 ET45 for a staggered setup.
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Old 02-06-2013, 11:51 AM   #5
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Kevin's specs are right in line with what we suggest. If you want to run a squared set up, typically I'll suggest the 18x8.5 et35s squared then run a 12.5mm spacer in the rear to flush it out.
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Old 02-06-2013, 12:21 PM   #6
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This is great info, ECS and VMR... is there any ADVANTAGE going with squared over staggered?

Ability to do tire rotations? (although, I've read in the Bentley manual that tire rotations are NOT recommended. And if your tires are directional, you could really only do front-to-back anyway.)

Lighter unsprung weight?

I guess the biggest thing is avoiding any rubbing issues, and with the squared, you can play with spacers to get things just right.
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Old 02-06-2013, 12:25 PM   #7
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Some people prefer the handing characteristics of square set ups vs staggered. A square set up is going to be less prone to under-steer compared to a staggered set up.

Un-sprung weight, well sometimes. I'm not going to consider that a pro or con.

Tire rotation is one of the reason people go for squared set ups. Often it has to be done by a tire shop (removing tires and re-balancing wheels) but you can stretch the life of the tires vs a staggered set.
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Old 02-06-2013, 12:30 PM   #8
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+1

Handling characteristics and tire rotation are the main reasons I've had customers request square over staggered.
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Old 02-06-2013, 12:37 PM   #9
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Some people prefer the handing characteristics of square set ups vs staggered. A square set up is going to be less prone to under-steer compared to a staggered set up.
Are any handling advantages nullified if you use spacers? Or is individual tire width more relevant than overall track width?

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We recommend 18x8.5 ET35...
Was looking at the VMR V703 (also known as VB3, right?), and these appear to be ET40, not ET35... is that still ok for the E46 (non-M)?

And forgive my ignorance... would the higher offset number translate into "more" or "less" aggressive? (i.e., sticks out farther...)

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Old 02-06-2013, 01:11 PM   #10
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Are any handling advantages nullified if you use spacers? Or is individual tire width more relevant than overall track width?
Track width vs contact patch can be debated either way. Personal experiences says on the street little to no effect using a spacer. Yet running a wider tire out back even on the street (when driving inside the constraints of the law of course...) you can feel the difference. Mind you'd probably need to go back to back between the two styles to really feel the difference on the street.
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Old 02-06-2013, 01:17 PM   #11
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Quote:
Originally Posted by terzinator View Post
Was looking at the VMR V703 (also known as VB3, right?), and these appear to be ET40, not ET35... is that still ok for the E46 (non-M)?

And forgive my ignorance... would the higher offset number translate into "more" or "less" aggressive? (i.e., sticks out farther...)
The V703 is the 'revised' name of the VB3, to help streamline it with our other models. If you notice they all are V7XX, where that was the only one that was VBX in our current lineup. Same wheel though.

Higher offsets mean that the wheel will be tucked inside the fenders and lower offsets mean they will fit more aggressive/poke out more, for a specific width. For instance, if you are comparing 18x8.5 ET35 vs. 18x8.5 ET40, the ET35s will stick out 5mm more than the ET40s.
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