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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Upgrade wheels/tires, what will side profile look like?



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      05-12-2015, 10:59 AM   #1
Stresspuppy
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Upgrade wheels/tires, what will side profile look like?

I currently have 225/45-17 on stock 8" rims. I am looking to go 225/45-18 on 8.5" front and 255/40-18 on 9.5" rear (a little taller I know, but i'm ok with that as it will help a little in filling the wheel well without having to mess with suspension).

My question/concern is how will the side profile look? I want to have the same basic profile I have now which has the sidewall just slightly out past the face of the wheel and straight up and down, if that makes any sense.

I know brand makes a difference so I am looking to go with Michelin Pilot Sport A/S 3, which I hear are a little beefier anyway.

Any input, or pictures of a similar setup, would be greatly appreciated.
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      05-12-2015, 02:27 PM   #2
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Depends on the offset of the wheels in question.
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      05-12-2015, 02:31 PM   #3
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I'm talking about how the tires look on the rims, not the how they look on the car. I have the offsets squared away, just want to make sure that the tires will still give the right look. If those tires were on 7" rims, they would have the "donut" look. Not sure what it is called if it goes the other way (wheels stick out further than the tires).
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      05-13-2015, 11:09 AM   #4
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Quote:
Originally Posted by Stresspuppy View Post
I'm talking about how the tires look on the rims, not the how they look on the car. I have the offsets squared away, just want to make sure that the tires will still give the right look. If those tires were on 7" rims, they would have the "donut" look. Not sure what it is called if it goes the other way (wheels stick out further than the tires).
Thats called stretched which is something you don't want. Look up the recommended wheel widths for that tire size and try and get something where 8.5" is in the middle of the recommended size.

For example: 225/45R18 (8-9" wheel width recommended.) That should give you a good tire profile mounted on the wheel.
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      05-13-2015, 11:15 AM   #5
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Thanks.

Looks like the Michelin recommends 7-8.5 for the 225/45-18 and 8.5-10 for the 255/40-18. Rear sounds ok but front might be a bit stretched.

Looking to put the Michelins in VMR VB3/703 and as you stated don't want the stretched look.

Anybody have the 703s, what do you have on them, and do you have any pics to share?
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      05-13-2015, 12:51 PM   #6
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Probably not exactly what you are looking for but 225/45/18 and 255/40/18 at style 162 which are 18x8 et34 front and 18x8.5 et37 rear. http://www.e90post.com/forums/showpo...72&postcount=1
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      05-17-2015, 07:39 PM   #7
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Hi Stresspuppy,
8"min.215. ideal 225-235. max 255.
8.5"min.225. ideal 235-245. max 255, same as 8" for some reason.
9"min. 235. ideal 245-255. max 265.
9.5"min.245. ideal 255-265. max 275.
The Above is just a recommended guide I found somewhere.
I found this easier than reading - This size 225 tire will fit 3 or 4 different rim widths.
Good Luck negotiating the Rim and Tire Minefield.
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      05-17-2015, 09:32 PM   #8
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Thanks, thanks great info and exactly what I needed. For what I want to do, I think I'm going to go with 8" front and 9" rear. That should allow me to use the tire sizes I had planned.
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      05-19-2015, 08:32 PM   #9
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Quote:
Originally Posted by Stresspuppy View Post
Thanks, thanks great info and exactly what I needed. For what I want to do, I think I'm going to go with 8" front and 9" rear. That should allow me to use the tire sizes I had planned.
Make sure you start with your Original Set Up, especially Offset(s).
You can then use - tirerack.com - Their Calculator to Mix and Match.
Others you can look at to Calculate are - 1010tires.com - and - willtheyfit.com - There are some great looking Wheels/Rims out there.

I like the Combo's 225F/255R and 235F/265R depending on widths.
They say the PSS Tires look one size bigger, say a 225 would look like a 235. Not sure about the ones you mentioned, as you said beefier.

Also Road Conditions have to be Considered. My nice new rims from USA are 18"c/w 225/45 and 255/40. Any lower profile than 40, my bad country roads would probably damage the rims. Love 19's but Profile would have been to low for my conditions.
Have fun.
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      05-20-2015, 12:47 PM   #10
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Thanks. What width rims are you running with your 225F/255R setup? That is what I was going to do, and the PS A/S 3 are said to look one size bigger as well (what I meant by "beefier").

I was looking at 8.5F/9.5R but am backing down and looking at 8F/9R just to be safe. I really don't want the stretched look.
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      05-20-2015, 05:37 PM   #11
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Quote:
Originally Posted by Stresspuppy
I currently have 225/45-17 on stock 8" rims. I am looking to go 225/45-18 on 8.5" front and 255/40-18 on 9.5" rear (a little taller I know, but i'm ok with that as it will help a little in filling the wheel well without having to mess with suspension).

My question/concern is how will the side profile look? I want to have the same basic profile I have now which has the sidewall just slightly out past the face of the wheel and straight up and down, if that makes any sense.

I know brand makes a difference so I am looking to go with Michelin Pilot Sport A/S 3, which I hear are a little beefier anyway.

Any input, or pictures of a similar setup, would be greatly appreciated.
I would go 235/45/18 in the front. The M3 has this front set up.

Continental DWS has these in

235/45/18
255/45/18

Much cheaper too than a Michelin and better in light snow.

Yes the Michelin will be a better tire from May to Oct 1, but the Continental will be a better tire from October 1 to Nov 15 and March 15 to May 1

If you live in a warm part of the country were winter and colder falls and springs are not an issue then Michelin is a better bet.
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      05-21-2015, 10:47 PM   #12
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Quote:
Originally Posted by Stresspuppy View Post
Thanks. What width rims are you running with your 225F/255R setup? That is what I was going to do, and the PS A/S 3 are said to look one size bigger as well (what I meant by "beefier").

I was looking at 8.5F/9.5R but am backing down and looking at 8F/9R just to be safe. I really don't want the stretched look.
My Original 225/50/17x7.5". I got 4-18x7.5 Rims from USA. Style overruled the 7.5"Rim Width. Now waiting on 2-18x9"for the Rear.

I notice you said your Originals were 225/45/17 a lower Profile than mine, which might mean 225/40/18F and 255/35/18R to give you close to your Original Running Diameter.
Your looking at 8F/9R which would be (as you say) the safe/conservative way to go and those PS A/S 3 looking 1 size bigger/beefier in width seems a good choice if your taking all your circumstances into account.

Look up the Calculators at tirerack.com and the others I mentioned. They Recommend what you can achieve from your Original Set Up. I hope a 45F and 40R Profile will be suitable during your calculations.

I will leave the looking up fun to you. Cheers.
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