BMW M3 Forum (E90 E92)

BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read


Go Back   M3Post - BMW M3 Forum > E90/E92 M3 Technical Topics > Wheels + Tires Sponsored by The Tire Rack
  TireRack

KEEP M3POST ALIVE BY DOING YOUR TIRERACK SHOPPING FROM THIS BANNER LINK!
Post Reply
 
Thread Tools Search this Thread
      02-14-2011, 08:40 PM   #1
gthal
Colonel
 
gthal's Avatar
 
Drives: 2015 M4
Join Date: Jul 2007
Location: Canada

Posts: 2,693
iTrader: (2)

Garage List
2011 M3  [3.37]
I am waiting for a set of Morr VS8.2 wheels. Trying to decide on tire sizes that will work best in my situation. Here are the details...

19x9.0 ET22mm front
19x10 ET20mm rear
Car is stock height (non ZCP)

Talking to Andy at Morr, they are usually running 255/35 front and 285/30 rear. I want as much rubber on the ground as possible but with no rubbing, maintaining steering response and maintaining some level of comfort. I will be getting the Continental Extreme Contact DW tires.

So based on the above what do you guys think my best option is...

1. 245/35 front, 265/35 rear ... OEM sizes but a little small, definitely no rubbing
2. 245/35 front, 275/35 rear ... Good steering response and no chance of rubbing in the front with a little more rubber in back
3. 255/35 front, 275/35 rear ... Better rubber all around, maintains stagger, maybe a small chance of rubbing up front?
4. 255/35 front, 285/30 rear ... Lots of rubber, chance of rubbing maybe?

I am leaning towards option #3 to maintain some level of steering response and minimizing rubbing while also maintain the 20mm stagger.

Thoughts?

Last edited by gthal; 02-18-2011 at 01:01 PM.
gthal is offline   Canada
0
Reply With Quote
      02-14-2011, 09:51 PM   #2
calintexas
Major
 
calintexas's Avatar
 
Drives: 2010 E90 M3
Join Date: Nov 2009
Location: North Texas

Posts: 1,416
iTrader: (1)

It Depends

The Morr fronts are the same dimensional specs as the RAC RG63's. Most of those guys (me included) used 255/35's (primarily Vred's). A few reported minor rubbing at full lock (mine doesn't rub). Different brands of tires run larger than others. Some have squarer shoulders. These factors will affect your results. In the rear, the Morr wheels stick out 2 MM more than the RAC's (not much). Ralph said that 285's would work with the RAC's but might need to have some more camber cranked in. Almost all the RAC group buy guys went with 275/35's with no reported issues. If you poke around this forum a bit, you should be able to tell which tires tend to be larger than others. There is quite a bit of tire size and fit info in the original RAC group buy thread. It will take a bit of work to find it though. http://www.m3post.com/forums/showthread.php?t=234632

There's no steering response downside to the 255's in the front that I can tell.

Good choice by the way (IMO). They appear to have done a very good job balancing appearance, weight, strength, and cost.
__________________

Last edited by calintexas; 02-14-2011 at 10:03 PM.
calintexas is offline   United_States
0
Reply With Quote
      02-15-2011, 09:32 AM   #3
gthal
Colonel
 
gthal's Avatar
 
Drives: 2015 M4
Join Date: Jul 2007
Location: Canada

Posts: 2,693
iTrader: (2)

Garage List
2011 M3  [3.37]
Thanks for the comments!

I want to go 255/35 and 275/35 but am paranoid that I will rub. If that happened it would be a huge pain in the a$$. I could go OEM sizes with no risk but sacrifice some additional rubber on the road. I wonder just how much 10mm on all four corners would really matter? Likely not much...
__________________
2015 Austin Yellow M4 | Black Full Merino Leather | DCT
2014 Corvette Stingray | Z51 | Torch Red | 7MT - Sold
2012 C63 Coupe | Performance package | Obsidian Black - Sold
2011 E92 M3 | Jerez Black | Fox Red | DCT | Competition Package - Sold
gthal is offline   Canada
0
Reply With Quote
      02-15-2011, 09:35 AM   #4
gthal
Colonel
 
gthal's Avatar
 
Drives: 2015 M4
Join Date: Jul 2007
Location: Canada

Posts: 2,693
iTrader: (2)

Garage List
2011 M3  [3.37]
Quote:
Originally Posted by calintexas View Post
Good choice by the way (IMO). They appear to have done a very good job balancing appearance, weight, strength, and cost.
Thanks. What sold me on these was the incredible price for a forged wheel, the amazing service from guys like Andy over there and the holy crap concave rears

Not to mention that they are far lighter on each corner than the ZCP wheels I was going to get.
__________________
2015 Austin Yellow M4 | Black Full Merino Leather | DCT
2014 Corvette Stingray | Z51 | Torch Red | 7MT - Sold
2012 C63 Coupe | Performance package | Obsidian Black - Sold
2011 E92 M3 | Jerez Black | Fox Red | DCT | Competition Package - Sold
gthal is offline   Canada
0
Reply With Quote
      02-15-2011, 11:04 AM   #5
calintexas
Major
 
calintexas's Avatar
 
Drives: 2010 E90 M3
Join Date: Nov 2009
Location: North Texas

Posts: 1,416
iTrader: (1)

Found the Rubbing Thread

Quote:
Originally Posted by gthal View Post
Thanks for the comments!

I want to go 255/35 and 275/35 but am paranoid that I will rub. If that happened it would be a huge pain in the a$$. I could go OEM sizes with no risk but sacrifice some additional rubber on the road. I wonder just how much 10mm on all four corners would really matter? Likely not much...
245's are very safe. I found the RAC rubbing thread: http://www.m3post.com/forums/showthr...hlight=rub+RAC. Out of about 50 combined sets, I recall maybe only 2 or 3 people having rubbing with 255's. You can compare the published diameter specs of the Continentals and Vred's and eye ball the shoulders. My recollection is that Continentals usually have a very rounded shoulder (although I'm not familiar with the specific tire that you plan on using). If the Continentals are the same or smaller, your risk is pretty low. Even if they do rub, it will only be slight (will wear through the plastic liner).
__________________
calintexas is offline   United_States
0
Reply With Quote
      02-15-2011, 11:55 AM   #6
chris s
Major General
 
chris s's Avatar
 
Drives: 2012 e92 M3
Join Date: Oct 2008
Location: New York

Posts: 5,253
iTrader: (8)

285/35 is too tall and looks weird. Also throws off the rake of the car. If you go 285, do it with a 30 series tire.

I believe that's what morr is running. 285/30
__________________

2012 MR e92 M3 DCT, fully loaded... ESS VT2-625, Brembo 380, BBS FI's, Akra/Challenge Sport, KW Sleeve kit, Full OEM CF Interior
2008 e92 M3 Coupe 6MT | AW/BLK Extended...SOLD!
chris s is offline  
0
Reply With Quote
      02-15-2011, 12:39 PM   #7
Brosef
Colonel
 
Brosef's Avatar
 
Drives: 2011 M
Join Date: Aug 2009
Location: Chicago

Posts: 2,072
iTrader: (3)

my summer wheels are 19x9.5ET22 in front (slightly more aggressive than what you posted since it's a 9.5" wheel) and there is no rubbing with a 255/35. I am also running a 285/30 in the rear, but I'm looking to go wider both front and rear. the 285/35 might rub a little bit on the top part of the rear bumper in the wheel well, but that can be shaved down slightly (no big deal if you ask me).

if you're interested, I have a set of 255/35 front and 285/30 rear tires that I will probably put up for sale for dirt cheap. they have less than 300 miles on them.
Brosef is offline   United_States
0
Reply With Quote
      02-15-2011, 01:17 PM   #8
gthal
Colonel
 
gthal's Avatar
 
Drives: 2015 M4
Join Date: Jul 2007
Location: Canada

Posts: 2,693
iTrader: (2)

Garage List
2011 M3  [3.37]
Quote:
Originally Posted by chris s View Post
285/35 is too tall and looks weird. Also throws off the rake of the car. If you go 285, do it with a 30 series tire.

I believe that's what morr is running. 285/30
I actually meant to put 285/30 for the rears... Typo.
__________________
2015 Austin Yellow M4 | Black Full Merino Leather | DCT
2014 Corvette Stingray | Z51 | Torch Red | 7MT - Sold
2012 C63 Coupe | Performance package | Obsidian Black - Sold
2011 E92 M3 | Jerez Black | Fox Red | DCT | Competition Package - Sold
gthal is offline   Canada
0
Reply With Quote
Post 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 06:41 PM.




m3post
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