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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 07-24-2010, 12:41 AM   #1
efortysicks
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Extremely confused on offset fit

I have a 2000 323i, I bought it with 19 inch luxe rims. The previous owner did not buy the correct size obviously seeing as the rears are 265mm and the offset is +38. With 19 inch rims, my cars fenders rub the tires, it's absolutely horrible when I have friends in the car. So, because of this I am buying new tires. Most likely some csl reps. But who knows. I went on umnitzas website and found them for a good price, but the offset is 35mm. Now, on 18 inch tires, staggered, will this work without any fender mods? Or will I have to get a squared set up?

By the way, I have searched for several hours before asking this. I ask because some answers say it will fit, some say it will not. I just have not found a clear answer and before I order wheels I want to be perfectly clear on what will work. Also, if the offset is to low, like on my current wheels, wouldn't I just buy spacers to make them work, like mine would need 10 mm spacers correct? I am so confused it's not even funny anymore. hahaha.
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Old 07-24-2010, 10:02 AM   #2
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Starting from the end: No, spacers won't help you, they would push the wheels outwards making the problem worse.
As for the rest we would need to know the rim widht and the full tire spec (including the sidewall height).
If you like your current rims then it would be worth to modify (roll and stretch) your fenders. If you like csl replicas then just buy VMR VB3 (the rear offset is 45mm on 9.5 inch wide rim). 19 vs 18 does not make that much difference unless your car is lowered a lot
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Old 07-24-2010, 12:35 PM   #3
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Ok, so if I buy 18 inch staggered rims the rears, which would be 18x9 in the back, with an offset of 35, they would not fit correct? I want an offset of 45 on the rears and 35 on the front? I like my rims but I like csl reps more so I'm going to be buying those.
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Old 07-24-2010, 12:40 PM   #4
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the lower the offset, the more the wheel is pushed out. spacers lower offset.
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Old 07-24-2010, 12:58 PM   #5
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The Tire Rack has articles on wheels, offsets, etc...
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Old 07-24-2010, 02:32 PM   #6
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35ET in the rear is probably too agressive...
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Old 07-24-2010, 02:47 PM   #7
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Ok, so then would 40mm in the rear work? 35mm in the front should work though if it's 8.5 wide. If I get a squared set up with 8.5 wide in the rear would 35mm still be to aggressive?
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Old 07-24-2010, 03:26 PM   #8
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To help provide you a better frame of reference, the stock ZHP wheels are 18x8 et 47 up front and 18x8.5 et 50 in back.
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Old 07-24-2010, 03:43 PM   #9
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So I'd need an et50 in the rear? The csl's I can only find with a 45 offset in the rear for 9.5 wide...8.5 wide is et40. So then how is it some people have the tires on without rolled fenders and no rubbing issues...?
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Old 07-24-2010, 11:37 PM   #10
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If you buy 8.5 ET35 (or ET40) front and 9.5 ET45 rear it will fit perfect
9 inch ET35 rear is more aggressive than 9.5 ET45 (by 4mm) but it should still fit on sedan if you run narrow tire (something like 245)
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Old 07-25-2010, 01:01 AM   #11
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Quote:
Originally Posted by efortysicks View Post
Ok, so then would 40mm in the rear work? 35mm in the front should work though if it's 8.5 wide. If I get a squared set up with 8.5 wide in the rear would 35mm still be to aggressive?
ET 35 won't work. ET40 on 8.5 maybe...it might rub somethimes on turns and when loaded, etc. In other words do ET 35 front and ET 45 rear.
I'm running
ET 33 Front
and
ET 45 Rear
No rubbing at all.
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Old 07-26-2010, 12:46 PM   #12
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Quote:
Originally Posted by efortysicks View Post
Ok, so then would 40mm in the rear work? 35mm in the front should work though if it's 8.5 wide. If I get a squared set up with 8.5 wide in the rear would 35mm still be to aggressive?
8.5 +35 all around will work perfectly fine with a 225 or 235 tire.

Quote:
Originally Posted by efortysicks View Post
So I'd need an et50 in the rear? The csl's I can only find with a 45 offset in the rear for 9.5 wide...8.5 wide is et40. So then how is it some people have the tires on without rolled fenders and no rubbing issues...?
+50 on a 9.5" rear may cause some rubbing issues towards the shock. +45 will work with a 245/255 rear tire. No fender rolling required as long as you are at stock ride height.

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Old 07-26-2010, 05:26 PM   #13
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Quote:
Originally Posted by VMRWheels View Post
8.5 +35 all around will work perfectly fine with a 225 or 235 tire.



+50 on a 9.5" rear may cause some rubbing issues towards the shock. +45 will work with a 245/255 rear tire. No fender rolling required as long as you are at stock ride height.
-Charles@VMRWheels
It will work even if your lowered. No rubbing issues at all.
I'm running 255/35/18 on 18x9.5 ET + 45 and no issues at all.
And I'm lowered...
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Old 07-27-2010, 07:39 PM   #14
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Quote:
Originally Posted by TrickTizzle View Post
It will work even if your lowered. No rubbing issues at all.
I'm running 255/35/18 on 18x9.5 ET + 45 and no issues at all.
And I'm lowered...
This will all vary in height, alignment, and specific tire brand and model. So its a bit tough to say it will work for all.

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Old 07-27-2010, 08:57 PM   #15
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Quote:
Originally Posted by VMRWheels View Post
This will all vary in height, alignment, and specific tire brand and model. So its a bit tough to say it will work for all.

-Charles@VMRWheels
Well incase someone wants to do it, here is what I'm running
F 235/40/18 ET +33 18x8.5
R 255/35/18 ET +45 18x9.5
Hankook V12 Ventus
Lowered on Eibach Prokit
No fender work, never rubs, even when fully loaded.
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Old 07-28-2010, 11:55 AM   #16
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Quote:
Originally Posted by TrickTizzle View Post
Well incase someone wants to do it, here is what I'm running
F 235/40/18 ET +33 18x8.5
R 255/35/18 ET +45 18x9.5
Hankook V12 Ventus
Lowered on Eibach Prokit
No fender work, never rubs, even when fully loaded.
Thanks for posting this! It will definitely help for future reference.

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Old 08-02-2010, 07:16 AM   #17
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Exclamation

Quote:
Originally Posted by TrickTizzle View Post
Well incase someone wants to do it, here is what I'm running
F 235/40/18 ET +33 18x8.5
R 255/35/18 ET +45 18x9.5
Hankook V12 Ventus
Lowered on Eibach Prokit
No fender work, never rubs, even when fully loaded.
Im seriously considering :

F 235/35/19 ET 37 19x8.0
R 255/30/19 ET 41 19x9.0

will i need to get a higher offset for the rear in order to prevent rubbing? i really want a 255 tyre at the back !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! iv been driven crazy with the mixed responses! PLEASE HELPP!!!!
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Old 08-02-2010, 07:47 AM   #18
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why would you pay for new rims when rolling your fender for $100 would solve your problem?
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Old 08-02-2010, 09:33 AM   #19
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pm nick at jlevisw, he will help you get the correct wheel offset and tires that you will need!

i am running VMR csl 18x9.5 rear ET45 with 255/35/18 lowered with sport cup kit, no rubbing.
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