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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 02-25-2008, 10:01 AM   #1
ethanhunter
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18x8.5 CSL upfront 235/40/18 going rub?

Hi

I have a 05 325i BMW with stock sport suspension. As for 18 Staggard CSL

If I go 235/40/18front and 255/32/18 rear

I was told the 235 front will rub is that true? Should I go 225?

Does anyone know, not sure what size to get on front

thanks
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Old 02-25-2008, 10:36 AM   #2
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Quote:
Originally Posted by ethanhunter View Post
Hi

I have a 05 325i BMW with stock sport suspension. As for 18 Staggard CSL

If I go 235/40/18front and 255/32/18 rear

I was told the 235 front will rub is that true? Should I go 225?

Does anyone know, not sure what size to get on front

thanks
It would help to know the offset of the wheel. However the problem is going to be the 235/40 you need a 235/35/18 instead
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Old 02-25-2008, 11:19 AM   #3
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^^ Not necessarily, I have 235/40/18 on an 8"wide up front and have no problems. It all depends on the offset, But I would say the OP will be fine.
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Old 02-25-2008, 11:23 AM   #4
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Front offset is 40 on the CSL
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Old 02-25-2008, 11:31 AM   #5
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I had 235/40/18s
8.5" wide wheel, and my car is VERY VERY low (coilovers) not once did I ever rub. you'll be fine.
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Old 02-25-2008, 11:58 AM   #6
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235/40/18 is the correct tire size.
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Old 02-25-2008, 02:09 PM   #7
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thanks!
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Old 02-25-2008, 02:13 PM   #8
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I had 235/40/18s
8.5" wide wheel, and my car is VERY VERY low (coilovers) not once did I ever rub. you'll be fine.
What is your wheel offset?
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Old 02-25-2008, 02:41 PM   #9
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I'm riding on the same 235/40/18 CSL's offset 40 in front w/ OEM sports suspension with no problems, are you lowered?
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Old 02-25-2008, 02:44 PM   #10
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I donlt mean to hijack this thread but the reason I asked is because I am seriosly thinking of getting the CSL reps +40 offset and was considering the same tire size (235/40/18).

I have the stock sport suspension but will eventually lower it about 1". Just donlt want it to rub. Of course, i have a sedan though.
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Old 02-25-2008, 02:55 PM   #11
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What is your wheel offset?

To be honest, I cant remember. I *think* it may have been 35? or 42? i know.. it doesnt help much
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Old 02-25-2008, 02:57 PM   #12
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Thanks for the reply anyway
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Old 02-25-2008, 08:02 PM   #13
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Hi,

Here at VMR we usually do 235/40/18 fronts on a 8.5" +40 offset. Never had a problem before at stock ride height.

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Old 02-25-2008, 08:04 PM   #14
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Would there be any problems after lowering about 1" more than sport suspension. (Or 1.6" from stock suspension)?
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Old 02-25-2008, 08:09 PM   #15
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I cant guarantee that will not rub. Usually springs people can get away with, but when you start going on coil overs rubbing will occur more frequently.

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Old 02-25-2008, 08:13 PM   #16
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I will eventually go with springs. I am thinking of getting Eibach springs. Either 1.4" or 1.8" drop from the non-sport suspension.

Sounds like I may need to find a 8" wide rim and use a 225 tire or find the CSL rim in a higher offset... +45 maybe

Last edited by entcee; 02-25-2008 at 08:23 PM.
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Old 04-11-2010, 10:13 PM   #17
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Wil 245/40/18 rub on a 18x8.5 ET 35 in the front. Lowered on Eibach ProKit
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Old 04-12-2010, 12:01 PM   #18
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Quote:
Originally Posted by TrickTizzle View Post
Wil 245/40/18 rub on a 18x8.5 ET 35 in the front. Lowered on Eibach ProKit
245's up front could possible rub during hard cornering. It will be tough to say, due to the fact that each person is running a different tire manufacturer and each vehicles alignment will vary.

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Old 04-12-2010, 03:32 PM   #19
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Wil 245/40/18 rub on a 18x8.5 ET 35 in the front. Lowered on Eibach ProKit
I have 245/40/18 Ps2's on an 8.5 ET38 with coilovers and about 1.5 degrees negative camber. Fits great.
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