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      01-17-2013, 02:17 PM   #1
hova00
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Any wheel fitment gurus out there?

Iam ordering a set of Forgestar CF5V in

19x9.5 +16
19X11 +25

First ? is this a good fitment/offsets for these wheels?

and secondly tires

What size??

I bought Michelin PSS in 255-35-19 and 295-30-19 but iam not sure about the front tires rubbing or should i get 265-30-19 for the fronts?

The car has ZCP package and really not sure if i plan on lowering it or not but would like to if if choose.

Please somebody that knows their shit help a fellow member out. I searched and searched but got more confused on fitment.
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      01-17-2013, 02:30 PM   #2
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These sizes are aggressive, but are definitely a possible fit on an E92 M3 with the appropriate suspension modifications. I would normally only sell sizing like this to clients who are comfortable with adjusting front and rear camber to fit the wheels.

I would typically use 2.5 or more degrees of negative camber in front, and the maximum negative camber in the rear (which should end up at about 2.3 degrees negative on a lowered car).

I would absolutely suggest using the 265/30/19 tire in front over the 255/35/19, as the 255 is tall and may rub through your wheel well. You should have no issues with the 265, provided you have the appropriate front camber. You will more than likely need camber plates in front to have the flexibility of adjustment necessary to make a setup like that fit.

If you want a more "bolt on" setup that requires less adjustment, try shooting for a 19x9.5 +22 and 19x11 +30. You can use the 265/295 front and rear tire combination, and the wheels will bolt on to a car with OE BMW suspension without modification or a need to adjust the camber.
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      01-17-2013, 02:43 PM   #3
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First thank you for the informative response.

Basically what iam looking for is an aggressive bolt on wheel solution. So if i go down in width with my rears then i can get more aggressive with the offset? vice versa

With the offsets that you recommended do you think it will have flush meaty tire appearance?
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      01-17-2013, 03:41 PM   #4
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If you opt for a 10.5" wide wheel over an 11" wide wheel you can use a slightly more aggressive offset, but your ultimate position of the outside of the wheel relative to the rear quarter panel will remain the same, as there is only so much space between your car's hub and the quarter panel.

Sadly a bolt-on fitment and a truly aggressive fitment are opposing factors, with the more aggressive fitments being less "bolt on", and the more "bolt on" fitments having a less aggressive look. The closer you get to an extremely flush fitment, the more variables like variation in tire carcass size, your particular car's camber settings, etc... will nearly guarantee a need for some adjustment once the wheels are actually on the car.

The 9.5 +22/11 +30 sizes I am suggesting are a safer bet than the sizes you were recommended initially, but both will work. The sizes you posted in your original post are very aggressive and will look great, but will need a bit of adjustment before the wheels fit correctly on your car. The sizes I am suggesting are more likely to need little to no adjustment to work.
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      01-17-2013, 03:59 PM   #5
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I think ill go with the offsets you recommened. They pretty much mirror the offsets that forgeline is using with thier GA1R wheel on their car. That car is running a 265-30-19 / 305-30-19 tire combo.

What are your thoughts on those tire sizes for the offsets that you recommended?

Last edited by hova00; 01-17-2013 at 04:12 PM.
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      01-17-2013, 04:48 PM   #6
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Quote:
Originally Posted by Ilia@IND View Post
These sizes are aggressive, but are definitely a possible fit on an E92 M3 with the appropriate suspension modifications. I would normally only sell sizing like this to clients who are comfortable with adjusting front and rear camber to fit the wheels.

I would typically use 2.5 or more degrees of negative camber in front, and the maximum negative camber in the rear (which should end up at about 2.3 degrees negative on a lowered car).

I would absolutely suggest using the 265/30/19 tire in front over the 255/35/19, as the 255 is tall and may rub through your wheel well. You should have no issues with the 265, provided you have the appropriate front camber. You will more than likely need camber plates in front to have the flexibility of adjustment necessary to make a setup like that fit.

If you want a more "bolt on" setup that requires less adjustment, try shooting for a 19x9.5 +22 and 19x11 +30. You can use the 265/295 front and rear tire combination, and the wheels will bolt on to a car with OE BMW suspension without modification or a need to adjust the camber.
You can get that much negative camber up front and rear with stock components???

I am pretty sure you would need front camber plates and possibly adjustable rear toe arms.
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      01-17-2013, 05:14 PM   #7
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Quote:
Originally Posted by hova00 View Post
I think ill go with the offsets you recommened. They pretty much mirror the offsets that forgeline is using with thier GA1R wheel on their car. That car is running a 265-30-19 / 305-30-19 tire combo.

What are your thoughts on those tire sizes for the offsets that you recommended?

A 305 is certainly possible on an 11" wide wheel with a +30 offset, but you are entering another "grey area" there. Variables like ride height, camber setting, tire size carcass section width, etc... will all play in, so it's not necessarily a plug and play setup. For example, here is an 11" wide wheel with a +25 offset and a 305 width tire that we put together for a client:

http://www.m3post.com/forums/showthread.php?t=439303

My suggestion is that if you want a "no BS" wheel installation experience, go for the 295 rear Michelin PSS the first time around. It will definitely fit, and you will get an idea of how much space is available for a larger tire compared to how much work you are willing to do to make the tire fit. You can then opt for the 305s the next time you buy tires, and you'll be able to install the tires with confidence.



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Originally Posted by Vic311 View Post
You can get that much negative camber up front and rear with stock components???

I am pretty sure you would need front camber plates and possibly adjustable rear toe arms.


Correct, you would need aftermarket camber plates in front to get a negative camber value of 2.5 or greater. I confirm the same in the statement you quoted above:


Quote:
Originally Posted by Ilia@IND View Post
You will more than likely need camber plates in front to have the flexibility of adjustment necessary to make a setup like that fit.
Rear toe arms will not help to increase rear camber by any appreciable amount, they will only allow for greater freedom in the adjustment of toe. The rear eccentrics are all you'll be able to use, unless you elect to purchase adjustable camber arms, available from companies like M24. Rear camber tends to max out at about 2.4 degrees negative with just the factory eccentric bolts when the car is at a low height.
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      01-17-2013, 05:58 PM   #8
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Quote:
Originally Posted by Ilia@IND View Post
These sizes are aggressive, but are definitely a possible fit on an E92 M3 with the appropriate suspension modifications. I would normally only sell sizing like this to clients who are comfortable with adjusting front and rear camber to fit the wheels.

I would typically use 2.5 or more degrees of negative camber in front, and the maximum negative camber in the rear (which should end up at about 2.3 degrees negative on a lowered car).

I would absolutely suggest using the 265/30/19 tire in front over the 255/35/19, as the 255 is tall and may rub through your wheel well. You should have no issues with the 265, provided you have the appropriate front camber. You will more than likely need camber plates in front to have the flexibility of adjustment necessary to make a setup like that fit.

If you want a more "bolt on" setup that requires less adjustment, try shooting for a 19x9.5 +22 and 19x11 +30. You can use the 265/295 front and rear tire combination, and the wheels will bolt on to a car with OE BMW suspension without modification or a need to adjust the camber.
great info, this will help me when i order my next set of rims. THANK YOU!
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      01-17-2013, 08:07 PM   #9
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Great info, was going to order a set of Linea Corse LC818's with an 11" +25 Rear so I could run Bridgestone RE-11 305/30/19, but has me thinking it may be aggressive when lowered on KW Sleeve kit.
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      01-17-2013, 09:44 PM   #10
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Ya iam glad i didnt order wheels yet but looks like i have narrowed down my size and offsets.

Just wondering if a +30 offset in 19x11 would look weak or not
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      01-18-2013, 09:59 AM   #11
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You can do better than a 19x 11 with a +30. You can bring it down to a 25 at least. In running 19x11 +22 and there's no issue at all with rubbing.
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      01-18-2013, 10:37 AM   #12
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Quote:
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You can do better than a 19x 11 with a +30. You can bring it down to a 25 at least. In running 19x11 +22 and there's no issue at all with rubbing.
What size tires are you running? What are the specs on your front wheels?
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      01-18-2013, 03:21 PM   #13
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You can definitely use a more aggressive offset than +30, but it really all depends on how simple you want the installation to be. 11" +30 is an absolute guaranteed fit.

As an example, I've installed an 11" +25 wheel with a 305 Michelin PS2 tire on an E92 and had rubbing issues. I've tried the same with Advan Sport tires in a 305 size and also had rubbing issues, so when someone asks me if an 11" +25 wheel with a 305 tire will work 100%, I cannot say yes.

Will it work? Absolutely. Will it work every time, with no adjustment? I can't promise that.

It all comes back to how much you're willing to play with tire brands/sizes/ride height/alignment.
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      01-18-2013, 04:05 PM   #14
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Quote:
Originally Posted by hova00
Quote:
Originally Posted by m3an View Post
You can do better than a 19x 11 with a +30. You can bring it down to a 25 at least. In running 19x11 +22 and there's no issue at all with rubbing.
What size tires are you running? What are the specs on your front wheels?
+1 what tyres were they?

I remember in my 135 when I first had Yoko S-Drives it would rub in the rear, but when switching to RE-11's with no other adjustments it was perfect due to the more rounded sidewall so the tyre can make a big difference
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      01-18-2013, 11:23 PM   #15
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Let me suggest you buy rims from ind for all the useful information. I've bought the akra evo, a molded vorsteiner diffuser /bumper, and new front bumper all painted. They are the best vendor on the website, with countless satisfied customers .
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      01-19-2013, 02:50 AM   #16
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You better get ordering if you want to see these wheels this decade, Forgestar's are great wheels for the price but man do they take foreverrrrr to get made and delivered
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      01-19-2013, 03:53 AM   #17
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You better get ordering if you want to see these wheels this decade, Forgestar's are great wheels for the price but man do they take foreverrrrr to get made and delivered
+1
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      03-28-2013, 08:07 PM   #18
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Wheel help??

Anyone Know if I could run 19x9-18 front and 19x10-25 rear with a 255 35-19 and 285-35-19? 2011 M3 stock EDC suspension.
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      03-28-2013, 10:39 PM   #19
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Would the width of the wheels have an effect on the offsets? Like if I run wider wheels, I need to increase the offsets? Please advice.

For instance, would 19x9 +25 have exactly the same look as 19x10 +25?
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      03-29-2013, 06:16 AM   #20
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Quote:
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Would the width of the wheels have an effect on the offsets? Like if I run wider wheels, I need to increase the offsets? Please advice.

For instance, would 19x9 +25 have exactly the same look as 19x10 +25?
Yes, wheel width does have an effect on offset. For your example above, the 10et25 would stick out 0.50" more than the 9et25.
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      03-29-2013, 11:16 AM   #21
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Quote:
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Yes, wheel width does have an effect on offset. For your example above, the 10et25 would stick out 0.50" more than the 9et25.
so in order to make the 9 looks like the 10et25, I need to run 9et20? or 9et 15?
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      03-29-2013, 11:40 AM   #22
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I have 19x11 et25 with a 275/35/19 tire and it fits without any issue. On my next tire i will go with a 285/30/19, shouldnt be a problem.
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