Tire question (Dunlop Star Spec)

vegasspeed · 05-12-2009, 02:04 PM

Those of you who are running these tires, what size are you running? A tire guy says I can't fit 265 Dunlop SS Z1's. I am confused by this.

VMRWheels · 05-12-2009, 07:01 PM

What are the wheel specs?

-Charles@VMRWheels
www.vmrwheels.com

Orient330iNYC · 05-13-2009, 01:04 AM

i'm guessing you're trying to run them on stock rims?

the rears of the E9X with 18s is an 8.5" rim. the max width tire you can get on that rim is 255. its out of spec for a 265, min width for those are 9"

the problem with a tire too wide is the sidewalls lose strength being stretched inward....

the bold/italicized text is the rim width range recommended by dunlop. stock rims are 8.5 in the rear, too narrow.

265/35ZR18
Load Index 93 = 1433lbs (650kg) per tire
Speed Rating “W” = 168mph (270kph) 93W SL Treadwear: 200
Traction: A
Temperature: A200 A A 1433 lbs.
51 psi
10/32"
28 lbs. 9-10.5"
9.5"
10.7"
NA
25.3"
820
Country of Origin "JP" = JAPANJP

stressdoc · 05-13-2009, 10:10 AM

I got 255/35/18. Don't want any more weight...

Gary@TireRack · 05-13-2009, 10:35 AM

Quote:

Originally Posted by stressdoc

I got 255/35/18. Don't want any more weight...

Agreed. 255/35R18 works well and the Z1 Star Spec runs on the wide side anyway.

Tires
http://www.tirerack.com/a.jsp?a=AH8&...ires/index.jsp

vegasspeed · 05-13-2009, 11:45 AM

How do you like these? Do they provide a better launch as well as track grip?

SuPaSkillz · 05-13-2009, 02:40 PM

Heard nothing but good things about the Z1.

VMRWheels · 05-13-2009, 09:28 PM

Quote:

Originally Posted by Gary@TireRack

Agreed. 255/35R18 works well and the Z1 Star Spec runs on the wide side anyway.

Tires
http://www.tirerack.com/a.jsp?a=AH8&...ires/index.jsp

The Z1's run VERY wide! The first batch we ever got, we were amazed and how wide they ran compared to Generals.

-Charles@VMRWheels

Orient330iNYC · 05-14-2009, 02:54 AM

Quote:

Originally Posted by VMRWheels

The Z1's run VERY wide! The first batch we ever got, we were amazed and how wide they ran compared to Generals.

-Charles@VMRWheels

10.3 vs 10.0 for the same size (255/35/18)

vegasspeed · 05-14-2009, 06:55 PM

So they help out on drag launches too? Am I asking too much for a tire to be good for tracking and 1/4 drag races?

05-12-2009, 02:04 PM	#1
vegasspeed Captain 84 Rep 761 Posts Drives: 335i 6MT coupe Montego Blue Join Date: Apr 2008 Location: Las Vegas iTrader: (1)	Tire question (Dunlop Star Spec) Those of you who are running these tires, what size are you running? A tire guy says I can't fit 265 Dunlop SS Z1's. I am confused by this. __________________ 335i coupe Montego Blue Dinan stage 3 tune, Advan RS wheels 350whp/365wtq 1994 Brooklands Green Acura NSX Comptech Supercharged 390whp/300wtq
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05-12-2009, 07:01 PM	#2
VMRWheels BimmerPost Supporting Vendor 2124 Rep 25,972 Posts Drives: BMW Join Date: Jun 2007 Location: Anaheim, CA iTrader: (4) Garage List 2013 BMW M3 [10.00] 2015 BMW M4 [0.00] 2013 BMW F30 [0.00] 2014 BMW F22 [0.00] 2013 BMW F06 [0.00]	What are the wheel specs? -Charles@VMRWheels www.vmrwheels.com __________________ VMR\|Wheels \| 714.442.7916 \| sales@velocitymotoring.com \| www.velocitymotoring.com \| facebook \| flickr \| Instagram
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05-13-2009, 01:04 AM	#3
Orient330iNYC Brigadier General 1911 Rep 4,163 Posts Drives: 2023 X7 40i Join Date: Apr 2007 Location: Wall St iTrader: (2)	i'm guessing you're trying to run them on stock rims? the rears of the E9X with 18s is an 8.5" rim. the max width tire you can get on that rim is 255. its out of spec for a 265, min width for those are 9" the problem with a tire too wide is the sidewalls lose strength being stretched inward.... the bold/italicized text is the rim width range recommended by dunlop. stock rims are 8.5 in the rear, too narrow. 265/35ZR18 Load Index 93 = 1433lbs (650kg) per tire Speed Rating “W” = 168mph (270kph) 93W SL Treadwear: 200 Traction: A Temperature: A200 A A 1433 lbs. 51 psi 10/32" 28 lbs. *9-10.5"* 9.5" 10.7" NA 25.3" 820 Country of Origin "JP" = JAPANJP __________________ Present: 2023 G07 40i ZDH/ZDU/ZMP/ZMQ/2NH/ZPK/ZPP/ZRC/300/3AC Past: 2013 335i 6MT ZMM/ZDH/ZTP/3AG/494/508 Past: 2016 F34 335i xDrive ZCW/ZDA/ZDH/ZTP/ZMP/2V5/5DL Past: 2019 G01 M40i ZDA/2VF/ZPP/ZPX/688/3AC
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05-13-2009, 10:10 AM	#4
stressdoc Moderator 668 Rep 10,864 Posts Drives: BMW i8; Toy 4runner TRD pro Join Date: Jun 2005 Location: Waco TX iTrader: (0)	I got 255/35/18. Don't want any more weight... __________________ My recent ED photos: http://f80.bimmerpost.com/forums/sho....php?t=1026808 my not-so-recent ED: http://www.e90post.com/forums/showthread.php?t=31829 Please join BMWCCA http://bmwcca.org/index.php?pageid=c...&ref_by=300279
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05-13-2009, 11:45 AM	#6
vegasspeed Captain 84 Rep 761 Posts Drives: 335i 6MT coupe Montego Blue Join Date: Apr 2008 Location: Las Vegas iTrader: (1)	How do you like these? Do they provide a better launch as well as track grip? __________________ 335i coupe Montego Blue Dinan stage 3 tune, Advan RS wheels 350whp/365wtq 1994 Brooklands Green Acura NSX Comptech Supercharged 390whp/300wtq
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05-13-2009, 02:40 PM	#7
SuPaSkillz Private First Class 3 Rep 147 Posts Drives: 2008 e90 335i /2007 E63 M6 Join Date: Feb 2009 Location: VA iTrader: (0)	Heard nothing but good things about the Z1.
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05-14-2009, 06:55 PM	#10
vegasspeed Captain 84 Rep 761 Posts Drives: 335i 6MT coupe Montego Blue Join Date: Apr 2008 Location: Las Vegas iTrader: (1)	So they help out on drag launches too? Am I asking too much for a tire to be good for tracking and 1/4 drag races? __________________ 335i coupe Montego Blue Dinan stage 3 tune, Advan RS wheels 350whp/365wtq 1994 Brooklands Green Acura NSX Comptech Supercharged 390whp/300wtq
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