Wider tyres on 261s. Who's doing it?

dh58 · 09-13-2011, 10:18 AM

Hey guys..
Reading from this thread ( http://www.1addicts.com/forums/showthread.php?t=581889 ) people are actually using wider tyres on the stock 261 wheels.

Are any of you doing it or have done it before? Is there any benefit over stock sizes?

alik01 · 09-13-2011, 11:05 AM

GRIP! Wider rubber means a wider contact patch and hence greater levels of grip. The power 135i put down stock and a lot more so with a tune can always do with more grip.

The factory setup is usually conservative so you can usually a go a 10-15mm wider on the wheel.

dh58 · 09-13-2011, 11:39 AM

Quote:

Originally Posted by alik01

GRIP! Wider rubber means a wider contact patch and hence greater levels of grip. The power 135i put down stock and a lot more so with a tune can always do with more grip.

The factory setup is usually conservative so you can usually a go a 10-15mm wider on the wheel.

Why didn't I think of this lol. You're right.

10-15 on the stock 261s? Or 10-15 before you run into space issues on any wheel?

Jeef Beef · 09-13-2011, 01:10 PM

What are the 208s?

I went 10mm wider on my 261s. No problems. This is what most people do.

dh58 · 09-13-2011, 01:22 PM

Oops. Its been a long day, I meant 261s.

Smiley1175 · 09-13-2011, 04:17 PM

Quote:

Originally Posted by dh58

Hey guys..
Reading from this thread ( http://www.1addicts.com/forums/showthread.php?t=581889 ) people are actually using wider tyres on the stock 261 wheels.

Are any of you doing it or have done it before? Is there any benefit over stock sizes?

Lots of people are doing it and the benefits are:

Perceived extra grip
Looks
Availability

The extra width people perceive will give more grip but it's not something you'd actually be able to measure, usually you'd ditch the run flats and get better tyres which gives the grip.
For me it was availability, the MPSS weren't available in stock size and the rims can accommodate the extra 10mm width, so I went wider with lower profile percent to still get close to stock rolling circumference.

Pick the tyres you want, then get as close to stock size for a daily driver.

fourtailpipes · 09-13-2011, 04:31 PM

Quote:

Originally Posted by Smiley1175

For me it was availability, the MPSS weren't available in stock size and the rims can accommodate the extra 10mm width, so I went wider with lower profile percent to still get close to stock rolling circumference.

are you sure? there aren't really any tires on the market that fit the oem wheels in aspect ratios 35 and 30, respectively. (245/35-18 and 285/30-18 are the narrowest tires commonly available for those aspect ratios, and those are way too wide for oem wheels). i'm guessing you stuck with the oem aspect ratios, meaning your front and rear aspect ratios are still 40 and 35, respectively...

Smiley1175 · 09-13-2011, 04:44 PM

Quote:

Originally Posted by fourtailpipes

are you sure? there aren't really any tires on the market that fit the oem wheels in aspect ratios 35 and 30, respectively. (245/35-18 and 285/30-18 are the narrowest tires commonly available for those aspect ratios, and those are way too wide for oem wheels). i'm guessing you stuck with the oem aspect ratios, meaning your front and rear aspect ratios are still 40 and 35, respectively...

Sorry, yes you're right.

dh58 · 09-13-2011, 06:41 PM

Quote:

Originally Posted by ianf2002

Order from www.tirerack.com in the USA. MPSS 225/255's cost me $1200 incl shipping

Where did you get your tyres fitted?

By the way I've tried to contact them twice now. They never get back to you. [*Edit. I got a reply!!]

dh58 · 09-13-2011, 07:31 PM

Quote:

Originally Posted by ianf2002

I am not on stock rims, I have VMR710's. The 225 & 255's should be ok on 261's though

Ah ok thanks.

JB4-335 · 09-13-2011, 08:09 PM

I run 255's on my rear 261's and it's perfect. I think it's better than the OEM 245's.

janus77 · 09-13-2011, 08:33 PM

yeah, I'm running 225/255 Z1's, no issues at all.

edit: well 1 issue, the car is now a little too fast around corners to push to the limit on the road.

09-13-2011, 10:18 AM	#1
dh58 Major 108 Rep 1,075 Posts Drives: 135i Join Date: Aug 2010 Location: Bunker in Sydney iTrader: (1)	Wider tyres on 261s. Who's doing it? Hey guys.. Reading from this thread ( http://www.1addicts.com/forums/showthread.php?t=581889 ) people are actually using wider tyres on the stock 261 wheels. Are any of you doing it or have done it before? Is there any benefit over stock sizes? Last edited by dh58; 09-13-2011 at 01:23 PM..
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09-13-2011, 11:05 AM	#2
alik01 Lieutenant Colonel 51 Rep 1,792 Posts Drives: Slowly & Responsibly Join Date: Nov 2009 Location: Darwin, Australia iTrader: (0)	GRIP! Wider rubber means a wider contact patch and hence greater levels of grip. The power 135i put down stock and a lot more so with a tune can always do with more grip. The factory setup is usually conservative so you can usually a go a 10-15mm wider on the wheel. __________________
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09-13-2011, 01:10 PM	#4
Jeef Beef Lord Captain Commander 110 Rep 3,093 Posts Drives: a sleeper Join Date: Oct 2009 Location: Sydney, Australia iTrader: (0)	What are the 208s? I went 10mm wider on my 261s. No problems. This is what most people do. __________________ E82 135i M-sport: SGM/6MT/Black
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09-13-2011, 01:22 PM	#5
dh58 Major 108 Rep 1,075 Posts Drives: 135i Join Date: Aug 2010 Location: Bunker in Sydney iTrader: (1)	Oops. Its been a long day, I meant 261s.
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09-13-2011, 08:09 PM	#11
JB4-335 Brigadier General 168 Rep 3,093 Posts Drives: E92 BSM & E70 AW Join Date: Feb 2011 Location: Australia iTrader: (1)	I run 255's on my rear 261's and it's perfect. I think it's better than the OEM 245's.
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09-13-2011, 08:33 PM	#12
janus77 Lieutenant 36 Rep 526 Posts Drives: 125i coupe Join Date: Jun 2009 Location: Sydney iTrader: (0)	yeah, I'm running 225/255 Z1's, no issues at all. edit: well 1 issue, the car is now a little too fast around corners to push to the limit on the road. __________________ 125i, stick shift, M pack w/ 18's, 225/255 Z1's, saphire black, BMW CF rear spoiler, black interior, Midnight tint, business nav, sunroof, Injen intake, H&R sways.
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