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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 > xi tire sizes for 19" rims question



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Wheel offset calculator courtesy of BimmerPost.com. You may use this calculator to calculate what tire sizes you might need if you upgrade your tires, or what wheel sizes/offsets are compatible with your car.
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      03-14-2008, 10:45 PM   #23
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Originally Posted by montreal_bimmer View Post
you can go either or.... 235/275 share the same numbers.... but many people go with 235/265.... some people that want 275 in the back go with 245 in the front.... i went with 235/275 setup and i have no problems with it...
How do you find the ride in our messed up Montreal streets with that setup?
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      03-14-2008, 10:56 PM   #24
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I went with 19X8.5 and 19X9.5 velocity motoring V715s with 235/35 and 275/30 michelin ps2s. I am also on the reccomened setting of kwv3s. Anyone else with a similar setup feel as if the handling is a bit sketchy. Ive noticed when banking on ramps at higher speed like 60-70mph and accelerating through the turn my traction control comes on. The bodyroll has become excessive. Im not sure if it was better stock, but sway bars i think are a necessity. Anyone have similar issues with traction and handling problems. Im thinking of messing with the kwv3s setting i guess thats what they are there for.
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      03-15-2008, 01:41 AM   #25
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The sway bars are going to tighten up your cornering even more, breaking you loose more easily (unless you get a looser sway bar / run a looser setting). I think that will kick DSC on more, not less.

The body roll is happening because of your damper settings. tighten them up a bit until the roll goes away, then adjust your rebound until you're able to hit the gas earliest after the apex of a ramp, while still being stable and getting good purchase.

PArt of the reason i don't want adjustable coilovers is because I don't want to have to tinker. I had 4 way adjustables on my last car, and it was as much as i wanted to fiddle with things.

Keep us posted on your setup, and what you change. There isn't enough information out on the xi's and the minimal suspension mods available.
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      03-15-2008, 11:42 AM   #26
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just put the new Potenza RE750's on my BBS CH 235/35/19 275/30/19.
The only downside of wider tires is that you might get more trammlining, but you should get used to it.
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      03-15-2008, 11:44 AM   #27
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Quote:
Originally Posted by Supramano View Post
I went with 19X8.5 and 19X9.5 velocity motoring V715s with 235/35 and 275/30 michelin ps2s. I am also on the reccomened setting of kwv3s. Anyone else with a similar setup feel as if the handling is a bit sketchy. Ive noticed when banking on ramps at higher speed like 60-70mph and accelerating through the turn my traction control comes on. The bodyroll has become excessive. Im not sure if it was better stock, but sway bars i think are a necessity. Anyone have similar issues with traction and handling problems. Im thinking of messing with the kwv3s setting i guess thats what they are there for.
you're driving with ps2 in below 40 degree weather. BAD!
that'll explain your loss of traction. and as far as body roll goes, it's not bad BUT it could use stiffer bars.
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      03-15-2008, 11:54 PM   #28
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Quote:
Originally Posted by Supramano View Post
I went with 19X8.5 and 19X9.5 velocity motoring V715s with 235/35 and 275/30 michelin ps2s. I am also on the reccomened setting of kwv3s. Anyone else with a similar setup feel as if the handling is a bit sketchy. Ive noticed when banking on ramps at higher speed like 60-70mph and accelerating through the turn my traction control comes on. The bodyroll has become excessive. Im not sure if it was better stock, but sway bars i think are a necessity. Anyone have similar issues with traction and handling problems. Im thinking of messing with the kwv3s setting i guess thats what they are there for.
http://www.e90post.com/forums/showth...ghlight=douger
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      03-16-2008, 02:11 PM   #29
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I ran 19x8.5 +40et on 245/35/19 Toyo 19X9.5 +22et on 265/30/19 Toyo



and currently I have 19x8.5 and 19x9.5 with 40ET and 45ET respectively.. 225/35 and 275/30 General Tires




NO rubbing on either set.. but I am not lowered (last pic is photochopped drop)
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      03-18-2008, 06:11 PM   #30
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Quote:
Originally Posted by Kev View Post
Non staggered set up is the recommended setup but staggered is ok too (look at the stock 18" 189s, they are staggered). However, the staggering does not provide any advantage over the non-staggered setup because you don't need wider tires in the back to provide better traction (as in RWD cars).

Conclusion: staggered setup on XI is mostly for looks and it is ok to do it, just stick with the 235/35/R19 front and 275/30/R19 rear for tires
Hey - nooob ?? here. Would this be OK: 19x9.5 rear, 19x8.5 front, with tires as follows? 245/35 rear and 235/35 front. Also, assume KW V3 installed. I am looking at the Yokaham Advan tires. I currently have the 189 18" from the sport package.
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      03-20-2008, 03:52 PM   #31
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I'm going to buy my tires within the next couple of days. The wheel specs are (front 19x8.5 is ET35, the rear 9.5 is ET32) I'm an E92 dropped on H&R Sports. What size tire do you guys recommend so I don't rub or mess up my xDrive? I was thinking 235/35/19 and 265/30/19. I'm looking towards General Exclaim or Khumo Ecsta Spt.
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      03-20-2008, 04:10 PM   #32
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      03-20-2008, 05:07 PM   #33
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I'm going to buy my tires within the next couple of days. The wheel specs are (front 19x8.5 is ET35, the rear 9.5 is ET32) I'm an E92 dropped on H&R Sports. What size tire do you guys recommend so I don't rub or mess up my xDrive? I was thinking 235/35/19 and 265/30/19. I'm looking towards General Exclaim or Khumo Ecsta Spt.
Any feedback?
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      03-20-2008, 05:20 PM   #34
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A closer diameter match would be 235/35/19 275/30/19. I think Kumho has wider sidewalls, it might rub especially since it's dropped...
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      03-20-2008, 05:28 PM   #35
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A closer diameter match would be 235/35/19 275/30/19. I think Kumho has wider sidewalls, it might rub especially since it's dropped...
what about the General Exclaim? Do you think I will rub?
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      03-20-2008, 05:32 PM   #36
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I was told with GE, ET 35, 9.5 wheel, 275/30/19, and stock suspension, it probably will not rub. From what (little) I know, I think it's better than with Kumho, not sure how much better...
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      03-20-2008, 11:01 PM   #37
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Thanks for the feedback.I really don't want to get the wrong tire set up.
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      03-21-2008, 05:17 AM   #38
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A closer diameter match would be 235/35/19 275/30/19. I think Kumho has wider sidewalls, it might rub especially since it's dropped...
Can anyone else confirm this? I'm dropped on H&R Sports. Any feedback Gary?
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