M35 18" wheels on G37 Sedan (non sport)

Old Jun 20, 2010 | 10:58 PM
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M35 18" wheels on G37 Sedan (non sport) -- Pics updated.

Updated: So I got a chance to wash the car today and took some pics. The wheels look great, I think

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In reference to my existing thread in Wheels and Tires box that got little attention: https://www.myg37.com/forums/brakes-...g37-sedan.html

I found a set of M35 18" (2008+) wheels locally and would like to know if I can put them on my G37 non sport sedan.

Stock setup: 17 x 7.5", +45mm offset, 225/55-17
M35 18" setup: 18 x 8", +47mm offset, 245/45-18

2 questions actually:

1. Can I put them on with 245/45-18 all around?

2. Can I put them on with 235/50-18 all around? I realize there will be inaccuracy in the odometer reading, but will there be any fitment/rubbing issue?

Thank you very much!
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Last edited by hadokenuh; Aug 23, 2010 at 12:02 AM.
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Old Jun 20, 2010 | 11:09 PM
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They will fit. As long as the bolt pattern is the same then going from 7.5 to 8 in wide wheel is not going to make any difference. Many of the aftermarket 18 in wheels are 8 in wide so you aren't doing anything to alter the warranty. I would try and stay as close as possible to the stock diameter so as to keep the speedo as accurate as possible.
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Old Jun 20, 2010 | 11:16 PM
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I say get G35 sport 19s. They are cheap and would look decent.
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Old Jun 20, 2010 | 11:18 PM
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Check out this website for tire size calculations. You should be able to run 245/45/18's without a problem. Wheel / tire size calculator / comparer - WWW.RIMSNTIRES.COM
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Old Jun 20, 2010 | 11:31 PM
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Posting here apparently gets more attention and helpful replies

Thanks a lot! I feel more confident now. Yes, the bolt pattern is the same. I prefer 235/50-18 because Pirelli P0 All Season tires are on sales right now at my local store, and a little more side wall does help the ride a bit. The difference in odo reading is like ~2% (60mph is actually at 61.6mph or something). Plus, I found pretty good reviews on those tires. But if I go with 245/45-18, I'll go with the Conti DWS.

I am not much into those 19s because of the (more) rough ride, but thanks anyway!
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Old Jun 21, 2010 | 12:11 AM
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Here's a thread I had over on G35 w/ our previous G, I put 235/50/18s on all 4 corners and it worked out great. Some pics of the setup on pg 2 of the thread. The speedo difference was next to nil too,
http://g35driver.com/forums/v36-gene...corners-2.html
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Old Jun 21, 2010 | 01:04 AM
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yes it will fit ... spacers might help w/ the m35 18's
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Old Jun 21, 2010 | 01:11 AM
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Originally Posted by da mayor
yes it will fit ... spacers might help w/ the m35 18's
Can you please explain? Do the spacers just help with the look? I think they will be tucked in a bit b/c of the +47mm offset, correct?

Sorry I am a newbie at this
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Old Jun 21, 2010 | 01:21 AM
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Why not just get the sport g37 sedan 18s if you want 18" OEM wheels?
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Old Jun 21, 2010 | 10:40 AM
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I don't like the look of the sedan 18s. That's why I didn't buy the wheel and tire package to begin with

Any explanations on the spacers?
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Old Jun 21, 2010 | 01:54 PM
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Spacers are usually purely for the look. They basically space your wheel away from your rotor.

In some cases they are used to help the rim clear larger brakes, but usually just used to make the rim sit flush with the fender.
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Old Jun 21, 2010 | 07:20 PM
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Originally Posted by WhosUrBuddiee
Spacers are usually purely for the look. They basically space your wheel away from your rotor.

In some cases they are used to help the rim clear larger brakes, but usually just used to make the rim sit flush with the fender.
Thanks for the details.

I finally put the M35 18" with Pirelli P0 AS on the car. It looks and drives great.

Thank you everyone!
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Old Jun 22, 2010 | 04:43 PM
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Pics????
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Old Jun 22, 2010 | 04:45 PM
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add some 20mm spacers all around for a better look.
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Old Jun 22, 2010 | 05:33 PM
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I had the car aligned this morning. The right rear was a bit off, no wonder I had the feeling that it was pulling to the right. But all is good now. I haven't got a chance to take any pics because (1) It's been raining and (2) I need to wash it first.

I didn't add any spacers. I think it looks just fine.
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