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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 > What offset am I looking for in Wheels and Widest



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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.
    Current Wheel Width  inches             Current Wheel Offset  mm.
         New Wheel Width  inches                  New Wheel Offset  mm.
 
TIRE WIDTH
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- WHEEL DIAMETER
ORIGINAL TIRES
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NEW TIRES
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Based on your stock wheel setup, your new wheel will have:
Original Tires Diameter (in.)
      New Tires Diameter (in.)
  Difference in diameter (in.)
           Percent Difference %
                     
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      06-20-2005, 06:26 AM   #1
RachelS
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What offset am I looking for in Wheels and Widest

What offset am I looking for in Wheels and Widest wheel I can use.

What is best


look at this page

http://the*******change.com/products..._18_index.html


will the m5 work
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      06-20-2005, 10:15 AM   #2
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Yea the M5-look wheels should work. They're 35 offset which is ok for the E90. Someone correct me if I'm wrong plz.
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      06-20-2005, 05:25 PM   #3
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Can I use a 8-1/2 ifront 9-1/2 rear ?
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      06-20-2005, 09:14 PM   #4
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9.5 rear sounds kinda big. Maybe marke90m3 or some other wheel expert can help out with this question.
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      06-20-2005, 10:24 PM   #5
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you can easily fit 9.5 in the rear. Dont forget that the E90 sedan uses the same fitment as the previous M3 does or even close to the 5 series in the rear... which means wide wheels and deep dishes are possible in the rear of the E90.. 9.5 is not a problem at all, 10" should be doable also.
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      06-21-2005, 04:30 PM   #6
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thanks

what offset
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      06-21-2005, 07:16 PM   #7
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Quote:
Originally Posted by RachelS
thanks

what offset

9.5 with a +35-40 offset seems to be what the tuners are using for now.
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      06-29-2005, 03:02 PM   #8
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I think I am going with 18 x 9 40 offset Rear 18 x 8 40 offset front

anyone think this is OK....
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      06-29-2005, 10:38 PM   #9
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Quote:
Originally Posted by RachelS
Mark

I think I am going with 18 x 9 40 offset Rear 18 x 8 40 offset front

anyone think this is OK....
that is fine, but it wont look as wide and will sit inside your fenders a little bit probably, it depends on what look you are going for

but it will fit just fine
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      06-30-2005, 06:55 AM   #10
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So the higher offset pushes the wheel inside the well more. I would like the even with the fender.

thanks

may 18 x 9 all around would be OK

if I did that, could I use 225's in the front and 255's in the rear with 18 x 9 all around?
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      06-30-2005, 09:21 AM   #11
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Quote:
Originally Posted by RachelS
So the higher offset pushes the wheel inside the well more. I would like the even with the fender.

thanks

may 18 x 9 all around would be OK

if I did that, could I use 225's in the front and 255's in the rear with 18 x 9 all around?

yeap the higher the offset number, the more it will push the wheel inside the well.

you can do 18x9 all the way around depending on offset (18x9 40 should work) but you cant fit 225 on the front 18x9 wheels.

235 could fit with a stretching, 245 would definatly fit on a 9" rim tho
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      07-01-2005, 07:37 AM   #12
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would a 255 on the front and rear look awefull
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      07-01-2005, 09:18 AM   #13
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Quote:
Originally Posted by RachelS
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would a 255 on the front and rear look awefull
No, IMO the wider the tires, the nicer the car looks, so I think 255 would look great ! but something like taste is all subjective
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      07-12-2005, 07:47 AM   #14
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9 x 18, 40-mm offset all around with 255/35-18?

I'd like to run 9 x 18 with stock 255/35-18 RE050A Bridestone runflats all around. The only wheel I could find is BBS RE from Tire Rack. Offset is 45-mm offset.

http://www.tirerack.com/servlet/Call...pecial=Pricing

Two questions.

1. Will the BBS RE rim work with the Bridgestone RE050A runflat?

2. Will the 45-mm offset all around work?

Thank you very much!

GREAT FORUM!

BTW, I've heard rumors of the 335i. I was going to order a new 330i, but plan to wait for the 335i (twin turbo)
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      07-12-2005, 02:19 PM   #15
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For a run flat to work properly you need a wheel with a EH2 hump

The EH2 hump is a extra ridge inside the rim that prevents the sidewall from jumping off the rim when the wheel is flat

The 335i is only expected this time next year in europe
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      07-12-2005, 10:03 PM   #16
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Quote:
Originally Posted by E90Fleet
For a run flat to work properly you need a wheel with a EH2 hump

The EH2 hump is a extra ridge inside the rim that prevents the sidewall from jumping off the rim when the wheel is flat

The 335i is only expected this time next year in europe
Ahh, so I have to find out if the BBS RE has the EH2 hump? Dammit. The Euros always get the good stuff from BMW

I guess I'll place my order for the 330i then
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