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E82 / E88 1 Series (2008 - 2013)
BMWs throw back to the iconic 2002, with a renewed form and function. The smallest car in BMW's line up but still packs a punch. Available in coupe or convertible, powered by either an inline 6 in the 128 or the twin turbo rocket sled 135.

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  #1  
Old 06-01-2013, 02:40 PM
BMhead BMhead is offline
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Location: United Kingdom
 
Join Date: Jun 2013
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Mein Auto: 135i
Smile Non runflats for 135i

Hi anyone had expereince with fitting non run flats to a 135i on 18" wheels.

I would like to fit Michelin Pilot Super Sports but not sure they will fit

Would really appeciate some expereinced advice
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  #2  
Old 06-01-2013, 03:16 PM
Norm37 Norm37 is offline
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Location: Vancouver, Washington USA
 
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Mein Auto: Chevy half ton pickup
Here in the USA tire rack recommends the following staggard sets of 18" tires (including the Michelin Pilot Super Sports) for the 135i with the Sports Package.

http://www.tirerack.com/tires/TireSe...=53950&tab=All

My son has the Hankook Ventus V12 evo K110. He likes them as they are not as expensive as the Michelins.

But he is going get the Michelin Pilot Super Sports next April. Better tread life and the top rated ultra high performance summer tire according to Consumer Reports.

USA wheel and tire specs for a 135i with the sports package.

Tire dimensions standard front

215/40/18

Tire dimensions standard rear

245/35/18

Wheel dimensions standard front

18 x 7.5

Wheel dimensions standard rear

18 x 8.5

Material: light cast alloy

I would think the tire and wheel specs would be the same for UK BMW 135i. Might be best to check you manual.

Last edited by Norm37; 06-02-2013 at 04:59 AM.
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  #3  
Old 06-02-2013, 02:50 AM
bokonnon bokonnon is offline
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Location: Concord, California
 
Join Date: Feb 2006
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Mein Auto: 2001 E39 540iT
I have non-run flat Michelin Pilot Super Sports on my 2009 135i:

Fronts:
2 (35522) Michelin
225/40ZR18XL 92Y B

Rears:
2 (35547) Michelin
255/35ZR18XL 94Y B

There was no fitting issue and they are SO much better then the run flats. This is my second set and I think they last longer then the Pilot Sport PS2's I had on my previous BMW. I highly recommend this setup.
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  #4  
Old 06-02-2013, 03:55 PM
Norm37 Norm37 is offline
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Mein Auto: Chevy half ton pickup
For winter my son has Michelin Pilot Alpin PA3 size 225/40/18 all the way around for winter.

This tire calculator is helpful as it shows the difference in dimensions of the tires. Also the speed difference when your speedometer reads 65 ( 65.88 winter vs 65 summer) in my sons case.

http://www.discounttire.com/dtcs/infoTireMath.dos

If you went with the summer set-up bokonnon has and winter non staggered in 225/40/18 your speed would be the same all year round.

I am going to mention this to my son. I think he might go one size larger (like bokonnon) next June when he gets a new set of summer tires.

Last edited by Norm37; 06-03-2013 at 05:16 AM.
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  #5  
Old 06-02-2013, 11:43 PM
BMhead BMhead is offline
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Location: United Kingdom
 
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Mein Auto: 135i
That's so helpful, many thanks. I'll check this all out and post how I get on
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  #6  
Old 06-11-2013, 12:52 PM
BestCS BestCS is offline
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Location: Dayton, Ohio
 
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Mein Auto: 2010 MB SLK & BMW 135i
When the run flats wear out, I'll replace them with General All-Season High Performance. I have them on the Benz, and they are great tires. In fact, if you check TR, you'll see they were a top pick (#3 I believe).

Anyway, the run flats seem like a much too complicated solution to a simple problem. What I carried on my MX-5 was a fast repair kit with a pump to do a temporary repair.

Looking at the trunk space, I think BMW could have put a small spare back there, but I guess that would have been too easy (LOL)!
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  #7  
Old 06-12-2013, 11:51 AM
BestCS BestCS is offline
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Location: Dayton, Ohio
 
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Mein Auto: 2010 MB SLK & BMW 135i
To be specific the General G-Max AS-03 Ultra High Performance Tires are a great choice for the 135i. I have an identical set on my Benz except for the front tire which is a 225/40/18.

Front - 215/40/18 $134

Rear - 255/35/18 $173

BTW, I buy all my tires from Discount Tires. A great store and have been buying from them for the last 20 years or so.
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Last edited by BestCS; 06-12-2013 at 11:53 AM.
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  #8  
Old 06-12-2013, 07:07 PM
ND40oz ND40oz is offline
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Mein Auto: 09 135i
Quote:
Originally Posted by BestCS View Post
To be specific the General G-Max AS-03 Ultra High Performance Tires are a great choice for the 135i. I have an identical set on my Benz except for the front tire which is a 225/40/18.

Front - 215/40/18 $134

Rear - 255/35/18 $173

BTW, I buy all my tires from Discount Tires. A great store and have been buying from them for the last 20 years or so.
If you want all seasons, just wait a month for the Pilot Sport A/S 3s, based on the Pilot Super Sport with an all season compound.
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  #9  
Old 06-13-2013, 12:26 AM
BMhead BMhead is offline
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Location: United Kingdom
 
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Mein Auto: 135i
Anyone got any thoughts on tyre pressures for 18" non run flats ? Do you run the same pressures as RFTs?
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  #10  
Old 06-13-2013, 05:21 AM
ND40oz ND40oz is offline
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Mein Auto: 09 135i
On the Super Sports, I'd start around 38/38 and go from there.
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  #11  
Old 06-13-2013, 05:27 AM
BMhead BMhead is offline
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Location: United Kingdom
 
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Mein Auto: 135i
That's great thanks. Just a few more questions, what feedback from the car would persuade you to increase or decrease tyre pressure from 38 to begin with? Also, I'm going on a track day on Saturday, Brands Hatch, one of the best in the world! Would you recommend different pressures for track days?
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  #12  
Old 06-13-2013, 06:36 AM
ND40oz ND40oz is offline
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I'd give these threads a read if you're going to be tracking it and to dial them in for the street.

http://www.1addicts.com/forums/showthread.php?t=724763

http://www.1addicts.com/forums/showthread.php?t=583705
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  #13  
Old 06-13-2013, 06:47 AM
BMhead BMhead is offline
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Location: United Kingdom
 
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That's really useful mate. I'm going to start off with 39 for road and track, on the basis that the heat on the track will add some pressure once I get going. Then may be increase from there for the road.
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  #14  
Old 06-14-2013, 08:36 AM
BestCS BestCS is offline
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Location: Dayton, Ohio
 
Join Date: Jun 2009
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Mein Auto: 2010 MB SLK & BMW 135i
Quote:
Originally Posted by ND40oz View Post
If you want all seasons, just wait a month for the Pilot Sport A/S 3s, based on the Pilot Super Sport with an all season compound.
I don't think so. I've had a lot of experience over the years with tires. Many brands offer only high prices without any significant increase in performance. They are also very good at promoting themselves with endless TV commercials.

And then there are companies who don't do a lot of advertising tooting their own horn. General is such a company (I believe it is now owned by Continental?) that is making some fine tires with long tread life and great performance.

Check out the performance of their tires on TR.
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