Wheel size

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Old Oct 20, 2018 | 02:12 PM
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Wheel size

Hey guys i just bought my first infiniti (G37X) and i wanted to upgrade the wheel size from 17 in to 18 in. I have 245/40/R18 winter tires and i was wondering if they would fit on 18in wheels on a G37X.
Also the wheels im buying have an offset of 45 would that pose a problem?

Thank you for the help, excited to start the infiniti life!
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Old Oct 20, 2018 | 03:17 PM
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Welcome to our little corner of insanity. If you'll browse this here Wheels and Tires forum, you'll find you answer lickety-split.

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Old Oct 21, 2018 | 08:00 PM
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The 245/45 would be the ideal size vs. the OEM tire size, since you're not running staggered you'll be ok w/ a 245/40 all around, the OEM 18" wheels also have offsets in the +43 to +45 range. What width are the 18s you're wanting? A 8 to 8.5" width is best for a 245.

Enjoy the Infiniti Life!
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Old Oct 21, 2018 | 08:23 PM
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Yeah the wheel im buying has a width of 8 but would i have to get an offset of 45mm or less because i also thinking about running 255/40 on it.
Im honestly new to this whole offset thing
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Old Oct 21, 2018 | 08:24 PM
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Would an offset of +40 work?
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Old Oct 21, 2018 | 09:56 PM
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You could run an offset down to a +25 on an 8" width, so yeah, a +40 will be fine
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Old Oct 22, 2018 | 06:45 PM
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Thank you for all the help, last question i swear lol.
Should i buy the tpms that comes with the aftermarket wheel or do the OE ones work?
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Old Oct 22, 2018 | 10:41 PM
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You can switch the OEMs over to your new wheels if you won't be going back to them.
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Old Oct 23, 2018 | 03:26 PM
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Would a wheel width of 8.5 with an offset of 40 be too wide ?
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Old Oct 23, 2018 | 03:26 PM
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Or +35mm offset
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Old Oct 23, 2018 | 09:45 PM
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You'll be fine w/ either, the +35 will be 5mm closer to the fender.
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