Tirerack
Use the following links to go directly to useful tirerack winter items: Tirerack Winter Tires. Gary's Winter Tire FAQ.
Using the links directly supports E90Post with tirerack sales commision!

  E90Post
 


TireRack

   PLEASE HELP SUPPORT E90POST BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER, THANKS!
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > 225/45/18 and 255/40/18 on 335xi E90



Wheels and Tires forum Sponsored by The Tire Rack
Please help to directly support e90post by doing your tirerack shopping from the above link. For every sale made through the link, e90post gets sponsor support to keep the site alive. Disclaimer

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
/
ASPECT RATIO
- WHEEL DIAMETER
ORIGINAL TIRES
/
NEW TIRES
/
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 %
                     
Speedo @60mph will read: mph
Collapse/Expand the BimmerPost Wheel and Tire calculator
Reply
 
Thread Tools Search this Thread
      04-08-2008, 08:28 AM   #1
NJ335xi
Enlisted Member
 
Drives: 335xi
Join Date: Jan 2008
Location: NJ

Posts: 41
iTrader: (0)

225/45/18 and 255/40/18 on 335xi E90

I decided to keep my rims and sell my run flats.

I purchased Goodyear Eagle F1 All Seasons tires. I bump the profile up 5 to 225/45/18 front and 255/40/18 rear. More tire between the rims and the road. The profile is higher by 1/2" or a full inch in diameter front and back.

The tire tread is a full inch wider because these tires are a little more square.

They ride great, no issues. I have seen only a slight (3%) mile per hour difference from Speedo to actual.

Here are the stats on the F1s compared to the OEM. They are better all around and last 3 times longer.

Tire______Tread Wear ___Traction____Asphalt Gs ___Concrete Gs
F1_________400__________AA__________0.54_______0.4 1
BS RF______140___________A__________ 0.47_______0.35

HR springs are next!

What do you think?
Attached Images
     
__________________
2008 335xi Sedan, Sport, Premium [SIGPIC][/SIGPIC] IPod, Winter Pack, M-Tech Spoiler, V1
NJ335xi is offline  
0
Reply With Quote
      04-08-2008, 11:38 AM   #2
Rt66er
Private First Class
 
Rt66er's Avatar
 
Drives: 335i Coupe
Join Date: Apr 2007
Location: Arcadia, Oklahoma

Posts: 111
iTrader: (0)

Considering the speedo is off about 5% from the factory, your speedo will actually be more accurate now! I have considered doing this just to counteract a most of the built-in speedo error.
__________________
335i Coupe ~ Space Gray ~ Black 'ette ~ ZSP ~ Step w/paddles ~ Gray Poplar trim
Rt66er is offline   United_States
0
Reply With Quote
      04-08-2008, 04:50 PM   #3
TofuTurkey
Gobble gobbledygook
 
TofuTurkey's Avatar
 
Drives: 08 335xi Coupe
Join Date: Dec 2007
Location: North Jersey

Posts: 287
iTrader: (0)

I hope the front won't rub when you drop it...
TofuTurkey is offline  
0
Reply With Quote
      07-07-2010, 03:31 AM   #4
adamalexxx
New Member
 
Drives: E92 320D
Join Date: Jun 2010
Location: Romania

Posts: 27
iTrader: (0)

Your post is very helpful me I have the same car BMW E92 193 rims tire package I run flat and I want to make the same change - Non Run Flat tires 225 45 r 18 91w or y -255 40 R18 95W or y ! You think we bonding problem? Thank you
adamalexxx is offline   Romania
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

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


All times are GMT -5. The time now is 11:31 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST