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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 12-19-2012, 06:18 AM   #1
Jerzboy21
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What rims?

Hey guys new to this whole forums thing, but I just have one question about rims that would b good for me, first of all I have a 02 e46 dropped the front 2" will do back later, I seen these rims 17x7.5 offset is -35mm planning on putting low profile(35) or so on there would that rub on the fenders? N I want it to b flush so would I need to add spacers? Thanks
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Old 12-19-2012, 06:39 AM   #2
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Quote:
Originally Posted by Jerzboy21 View Post
Hey guys new to this whole forums thing, but I just have one question about rims that would b good for me, first of all I have a 02 e46 dropped the front 2" will do back later, I seen these rims 17x7.5 offset is -35mm planning on putting low profile(35) or so on there would that rub on the fenders? N I want it to b flush so would I need to add spacers? Thanks

First step would be to search the forums. There are hundreds of threads on wheel fitments.

Second would be to post in the right forum. This will probably get moved to the "Wheel and Tire" forum.

Third, a negative wheel offset is very wrong for these cars. We run about 40mm offset. I think the stock sport wheels are almost 50mm offset.

Fourth, if you are doing a 7.5" wide wheel, you'll probably run 225mm wide tires. You'll need a profile ratio of 45 to maintain the proper wheel diameter.

Last edited by WDE46; 12-19-2012 at 06:42 AM.
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Old 12-19-2012, 06:58 AM   #3
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Wait... You dropped the front 2 inches and the back is stock?!
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Old 12-19-2012, 10:00 AM   #4
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Ok I understand the first n second step but a lil confused when it comes to offset, I want to get 17" with a Lil lip 1.5-2" n 35 low profile tires, but I don't want it to hit the fenders or lap out. What size/offset would b good? Thanks

And the front was way higher than the back n I was gonna drop it anyways so I did 2" in front n gonna do 1.5 in back
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Old 12-19-2012, 10:06 AM   #5
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These is what I was lookin to get I read it wrong it's 35mm offset lol
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Old 12-19-2012, 11:35 AM   #6
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If you want to do 35 profile ratio, you'll need to move up to 18 inch wheels unless you want your speedometer to be pretty far off. Your DSC won't work well either. Stock tire size is 225/45/17.

This diagram should explain a good bit to you about wheel sizing.



You should try to get at least 40mm positive offset, then if they don't fit you can just buy spacers. If you get too low of an offset you may end up having a wheel that sticks out beyond the body. Since you're going for flush, you want to get the wheel offset so it is still inside the fender, then after you put the wheels on, you can measure for spacers.

The wheels you picked will probably fit fine, but you may need spacers to get them away from the suspension components.

Last edited by WDE46; 12-19-2012 at 11:37 AM.
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Old 12-19-2012, 03:04 PM   #7
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Thanks a bunch, that diagram really makes it soo much clearer , n I thought the stock rims that I had was 16" I attached the one that I have
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Old 12-19-2012, 03:06 PM   #8
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Jf
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Old 12-19-2012, 03:06 PM   #9
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Thanks a bunch, that diagram really makes it soo much clearer , n I thought the stock rims that I had was 16" I attached the one that I have
If you have a 325 without the sport package then I think you have the 16 inch wheels. All the E46 cars have the same total diameter regardless of wheel size. If you go up in wheel size and stay the same width, then the profile ratio needs to go down. tirerack.com has a ton of useful information on how all this works.

EDIT:

Okay I saw your photo that you just attached. You are running either 205/55-16 or 225/50-16. So if you upgrade to a 17 inch wheel you will need to go to a 225/45/-17 to keep the same diameter. This is what I have on the front of my car.

Here is a good tire size calculator that visually shows the size comparison:

http://www.miata.net/garage/tirecalc.html

Last edited by WDE46; 12-19-2012 at 03:18 PM.
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Old 12-19-2012, 03:26 PM   #10
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Wheels sir, not rims.
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Old 12-20-2012, 09:27 AM   #11
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Yea I want to keep the same diameter, so would those rims b closer to the outer fenders than the stock ones? I really appreciate the help.
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Old 12-20-2012, 09:51 AM   #12
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This isn't a forum for glasses.
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Old 12-20-2012, 12:12 PM   #13
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Really?? I didn't kno that dumbass
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Old 12-20-2012, 12:20 PM   #14
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Yea I want to keep the same diameter, so would those rims b closer to the outer fenders than the stock ones? I really appreciate the help.
More offset (positive) will move the wheel farther into the car. If you bought zero offset wheels, the wheel would be sticking out of the fender. So you need to buy something like 40mm offset which will leave the wheel inside the fender. Then, after you install the wheels for the first time, measure the gap b/w the sidewall and the inside of the fender. Get a spacer for the hub that will allow you to fill the gap. A spacer reduced (more negative) the offset of the wheel. Basically, you want to overshoot the offset a little and then adjust with some spacers.
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Old 12-22-2012, 02:54 AM   #15
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Really?? I didn't kno that dumbass
Glad to help.
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Old 12-22-2012, 03:01 AM   #16
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I would recommend against aiming to get spacers and get the correct offset from the start if you are getting custom rims. I understand some manufacturers only make certain offset so that may cause issues. Always aim for 100% accurate offset for your application w/o the assistance of spacers.
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Old 12-22-2012, 04:28 AM   #17
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