Go Back   United Bimmer Community - BMW Forum > UnitedBimmer-General BMW Topics > Tire, Wheels And Suspension Forum
FAQ Members List Calendar Advertise With Us Mark Forums Read

Tire, Wheels And Suspension Forum Sponsored by: TireRack.com
Talk about tires and wheels , Discuss springs, coilovers, struts, sways, and all related topics for your Bimmer.

Reply
 
Thread Tools
Old 03-15-2008, 06:34 PM   #1
notallthere

Name: notallthere
Title: Member
Status: Offline
Join Date: Mar 2008
Location: youngstown ohio
Rate My Car: 258 / 340
Your Ride: 2001 325i
how wide can I go

ok I have a 2001 325i sedan and was looking at getting a set of wheels I know a guy with a set of 18's with the 5x120 bolt pattern so they will bolt
the front are 18x8 with a 38 offset and 235/40/18's I'm not to worried about these the the rear has me worried
they are 18x9 with a 40 offset and running 265/35/18's and I think these are just too big but if they fit I would like to get them thanks for the help guys
__________________
  Reply With Quote
Old 03-15-2008, 07:46 PM   #2
Rooz

Name: Rooz
Title: Upgraded Member
Status: Offline
Join Date: Apr 2005
Location: Charlotte, NC
Rate My Car: 5 / 340
Your Ride: 2003 M5
Quote:
Originally Posted by Rooz
Had a little time on my hand today...
Let's figure out the diameter of the factory setup...

Considering that 1 inch = 25.4 mm

Front: 225/25.4 = 8.8.....
8.8.... * .45 (45% of width is tire profile) = 3.9....

3.9... * 2 (top + bottom) + 17 (wheel size) = 24.97...

So the factory front setup is 24.97 inches tall

I'll spare you the explanations for the rear..

Rear 245/40/17 = 24.71 inches tall

Now, again.. I don't know too, too much if I'm correct but my guess is I need to come as close to those numbers as possible, right?

SO..... from what I calculated here's the closest setup I could think of on an 18" wheel....

Front: 235/40/18 = 25.4 inches tall
Rear: 255/35/18 = 25.02 inches tall

BUT... A 225/40/18 = 25.08 inches tall...HOWEVER being that the wheel is 8.5" wide (inside proportions so I am ASSUMING outside proportion is probably close to 9")

9" = 228.6 mm Meaning a 225mm tire would be too narrow for this wheel? AM I correct? And IF the wheel's INNER width is 8.5" then the 235/40/18 would be the proper setup, but if 8.5" is the outside width then 8.5" = 215.9mm, then the 225/40/18 would be perfect?
I posted that a long time ago, hope it helps
__________________



VIEW MOD LIST & PICS

I am worth $2,010,238 on HumanForSale.com

Quote:
Originally Posted by Gregg
Umnitza now provides a mechanic to install all parts ordered right in the box! It's their new "Total customer service program" that will eliminate all the haters and keep incompetents from breaking **** and blaming the vendor! When you are all set simply call INS and they will pick him up free of charge.
  Reply With Quote
Old 03-15-2008, 07:48 PM   #3
notallthere

Name: notallthere
Title: Member
Status: Offline
Join Date: Mar 2008
Location: youngstown ohio
Rate My Car: 258 / 340
Your Ride: 2001 325i
thanks for the info but when it come to the conversions I'm ok I'm just more worried about rubbing with the width of the rear wheel
__________________
  Reply With Quote
Old 03-15-2008, 08:30 PM   #4
Rooz

Name: Rooz
Title: Upgraded Member
Status: Offline
Join Date: Apr 2005
Location: Charlotte, NC
Rate My Car: 5 / 340
Your Ride: 2003 M5
255's you'r safe

265's you may rub
__________________



VIEW MOD LIST & PICS

I am worth $2,010,238 on HumanForSale.com

Quote:
Originally Posted by Gregg
Umnitza now provides a mechanic to install all parts ordered right in the box! It's their new "Total customer service program" that will eliminate all the haters and keep incompetents from breaking **** and blaming the vendor! When you are all set simply call INS and they will pick him up free of charge.
  Reply With Quote
Old 03-15-2008, 08:36 PM   #5
notallthere

Name: notallthere
Title: Member
Status: Offline
Join Date: Mar 2008
Location: youngstown ohio
Rate My Car: 258 / 340
Your Ride: 2001 325i
I wonder if anyone on here is running then I just could get these on the cheap but if I have to get tires it not such a deal
__________________
  Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
My car, close up, with a wide angle lens! mullethunter3 Bimmer Showroom 19 07-26-2006 12:46 PM
Looking for koenig Wide Body Kit e32 killer10 7 Series (E23, E32, E38, E65, E66) 1 06-15-2006 01:39 PM
Wide Body e_andres55 M3 21 12-27-2005 07:30 PM
sidebar too wide xsperf Site Feedback 7 10-23-2005 01:00 AM
Reuters Says Bush Photo Not 'Malicious,' Reports Wide Interest at Home and Abroad zeaq328i United Off Topic  **FOR MEMBERS ONLY** 1 09-17-2005 08:24 AM


All times are GMT -5. The time now is 08:06 AM.

A vBSkinworks Design

 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright © 2005-2013 UnitedBimmer.com