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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 > E92 wheel fittment gurus please advise...



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      06-07-2012, 12:07 PM   #1
Br0
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Exclamation E92 wheel fittment gurus please advise...

I am very familiar with wheel fittment, sizes, tires, offsets, concavity, etc in general but struggling to learn the max i can achieve with the e92 (new to me) Im looking at a 19x9 and 19x10 wheel where i can customize my offsets to +/- 1mm. My stipulations:

1. I dont want to run less than a 265/30 on the rear for function, pref a 275

2. I dont want to run less than a 235/35 on the front, pref a 245.

3. I am most def willing to roll fenders as much as possible, not pull and beyond

4. I will be low, not slammed, but dropped to the point of achieving 0mm fender gap right about to or barely tucking tire both front/rear (via coilovers).

What is the lowest possible et I can achieve (accurate to +/- 1mm) with the above stipulations in mind and running 19x9 and 19x10 wheels without any rub or only rub with 4 passangers in the car?

Please, serious wheel gurus, advise to accuracy of +/- 1mm and much thanks to anyone who can help me out here
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      06-07-2012, 01:23 PM   #2
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19x9" et22 235/35
19x10" et25 265/30
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      06-07-2012, 02:06 PM   #3
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^ Ive seen et20 in the rear on a 10" with 265 on here, he says it rubs but doesnt specify how much or w/people and such. You think thats pushing it?
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      06-07-2012, 02:13 PM   #4
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My current Setup:

BBS CH
19x8.5 +20 (235/35/19)
19x10 +20 (265/30/19)

Even with fenders rolled, rubs not a whole lot when no one is in the car. A car full of fatass people will burn rubber faster than doing a burnout. I probably just to roll my fenders more to flatten out the inside.
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      06-07-2012, 02:14 PM   #5
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Quote:
Originally Posted by Br0
^ Ive seen et20 in the rear on a 10" with 265 on here, he says it rubs but doesnt specify how much or w/people and such. You think thats pushing it?
Do et22 all the way around with your fenders rolled good and some negative camber your shouldn't rub.
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      06-07-2012, 02:15 PM   #6
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Originally Posted by bmw325i View Post
Do et22 all the way around with your fenders rolled good and some negative camber your shouldn't rub.
this
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      06-07-2012, 02:34 PM   #7
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Quote:
Originally Posted by Hey Ant View Post
My current Setup:

BBS CH
19x8.5 +20 (235/35/19)
19x10 +20 (265/30/19)

Even with fenders rolled, rubs not a whole lot when no one is in the car. A car full of fatass people will burn rubber faster than doing a burnout. I probably just to roll my fenders more to flatten out the inside.
You were the guy i was talking about that i saw when i searched. Thanks for your input bro

Quote:
Originally Posted by bmw325i View Post
Do et22 all the way around with your fenders rolled good and some negative camber your shouldn't rub.
fenders can/will be rolled no problem, but not planning on getting any camber plates for the front, so with 22 in the front on a 9" w/ 235 and no way to adjust camber except the bs pin removal im guessing thats a no go...
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      06-07-2012, 02:37 PM   #8
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Quote:
Originally Posted by Hey Ant View Post
My current Setup:

BBS CH
19x8.5 +20 (235/35/19)
19x10 +20 (265/30/19)

Even with fenders rolled, rubs not a whole lot when no one is in the car. A car full of fatass people will burn rubber faster than doing a burnout. I probably just to roll my fenders more to flatten out the inside.
BTW you running inside oem camber spec range still with your setup?
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      06-07-2012, 03:15 PM   #9
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I dont think the front will really be a problem. Removing the pin should give you enough camber.
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      06-07-2012, 03:22 PM   #10
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Originally Posted by bmw325i View Post
I dont think the front will really be a problem. Removing the pin should give you enough camber.

That front should be ok, you can do et 25 if you want instead.
I got -1.1 camber from my without removing the pin.
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      06-07-2012, 05:42 PM   #11
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I would say run +25 up front, with 235 and you should not rub, and if you want to be safe you can do +27

as for the rear:
19x10 (+25) with a 265 will rub. You can either:
1) run negative camber (maybe addition degree or so)
2) go with 255 tire (which you said you actually wanted bigger then 265)
3) get +30 for the rears this should give you just enough clearance especially with a roll if you want to run the 265 WITHOUT running additional negative camber
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      06-07-2012, 05:42 PM   #12
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Quote:
Originally Posted by Dr. G View Post
That front should be ok, you can do et 25 if you want instead.
I got -1.1 camber from my without removing the pin.


^ I was under the impression front camber/toe was physically not adjustable unless using camber plates or removing the pin...?
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      06-07-2012, 05:48 PM   #13
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Quote:
Originally Posted by ACEE View Post
I would say run +25 up front, with 235 and you should not rub, and if you want to be safe you can do +27

as for the rear:
19x10 (+25) with a 265 will rub. You can either:
1) run negative camber (maybe addition degree or so)
2) go with 255 tire (which you said you actually wanted bigger then 265)
3) get +30 for the rears this should give you just enough clearance especially with a roll if you want to run the 265 WITHOUT running additional negative camber
Thanks man, i def dont mind running an additional 1 degree or so.

But DAMN, a 19x10 et+30 with a 265/30 is the best we can do with stock alignment settings in place and fully rolled fenders?

This fittment is a damn far cry from my Z...
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      06-07-2012, 06:00 PM   #14
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Quote:
Originally Posted by Br0 View Post
Thanks man, i def dont mind running an additional 1 degree or so.

But DAMN, a 19x10 et+30 with a 265/30 is the best we can do with stock alignment settings in place and fully rolled fenders?

This fittment is a damn far cry from my Z...
the 19x10 (+25) will sit the rim flush with the fender....I would say run this with the 265 tire with additional negative camber, roll...and if need be slight pull (they can slightly pull the fender while its being rolled...no additional body work)

and as for Zs....... my friend is running a 11(+5mm) and have all kinds of room to run 285 tires or bigger...its unfair!!!!
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      06-07-2012, 07:00 PM   #15
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Quote:
Originally Posted by ACEE View Post
the 19x10 (+25) will sit the rim flush with the fender....I would say run this with the 265 tire with additional negative camber, roll...and if need be slight pull (they can slightly pull the fender while its being rolled...no additional body work)

and as for Zs....... my friend is running a 11(+5mm) and have all kinds of room to run 285 tires or bigger...its unfair!!!!
Ya and I bet (if its a 350z) unless ur buddy is FI he's under 320 at the wheels (even if he has FBO and a tune) and no use for those 11's! We can actually put a 10.5/285 to good use on this platform with just a tune...I don't get it.

Anyway I had 9.5 et17 10.5 et18 Volk GTS 255/285 within oem camber/toe specs and only needed a slight roll in the rear. And my setup was considered conservative/functional.
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