BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Runflat or not for my f20
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      03-16-2013, 04:43 AM   #1
harrys
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Runflat or not for my f20

I would like your opinions about my dilima
Should i go for runflat michelin primacy hp zp (runflat)
Or for michelin pilot sport 3 no runflat?
In both cases 205 55 16 91v
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      03-17-2013, 02:15 AM   #2
ovekvam
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I am running Michelin Pilot Sport 3 no runflat tires. I am very happy with that choice. They even perform rather well for track use. I am using 205/50-17.
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      03-17-2013, 02:18 AM   #3
harrys
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Your car had runflat at the begining?
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      03-17-2013, 07:11 AM   #4
logiclee
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Runflats will always compromise the ride and handling.

Go with non runflats.
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      03-17-2013, 07:52 AM   #5
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If you opt for non runflats will you have to keep a spare in the boot?
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      03-17-2013, 08:28 AM   #6
logiclee
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Quote:
Originally Posted by Glasgow Ranger View Post
If you opt for non runflats will you have to keep a spare in the boot?
No, BMW supply a compressor and tyre foam system that stores at the side of the battery in boot.

In the UK the ES, SE, ED and M135i come with non runflats and the Sport, Urban and M-Sport come with runflats as standard.

Cheers
Lee
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      03-17-2013, 02:38 PM   #7
ovekvam
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Quote:
Originally Posted by harrys View Post
Your car had runflat at the begining?
It was delivered with runflats, but I never actually drove with them. Got rid of the wheels immediately.
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      03-17-2013, 03:11 PM   #8
orcomma
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my sportline came with runflats, can I replace them with non run flats of the same specification? do they all have to be replaced at the same time?
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      03-17-2013, 06:26 PM   #9
BMWF20MJC
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Quote:
Originally Posted by Glasgow Ranger
If you opt for non runflats will you have to keep a spare in the boot?
A spare tyre plus a jack
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      03-17-2013, 07:38 PM   #10
tawia
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my Pirelli P-Zero runflats are much improved from last generation but still no match for non runflats. Last car had Goodyear asymmetric 2, much superior handling and feel.
If your going to be bending the limits of physics then non flats are a must. If day to day driving then current generation of RF are very good.
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      03-18-2013, 01:37 AM   #11
ovekvam
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Quote:
Originally Posted by Glasgow Ranger View Post
If you opt for non runflats will you have to keep a spare in the boot?
I carry a plugging kit, a jack, a 12V compressor, and a torque wrench.
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      03-18-2013, 06:27 AM   #12
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Non-runflats and an inflator kit.
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      03-18-2013, 07:05 AM   #13
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apparently they don't make the pilot sport 3 for the 18" m-sport wheels....
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      03-18-2013, 10:05 AM   #14
ovekvam
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The Pilot Supersport tires are even better, and available in 18".
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      03-18-2013, 11:39 AM   #15
logiclee
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Quote:
Originally Posted by BMWF20MJC View Post
A spare tyre plus a jack
Around half of f20/f21 models in the uk are sold with non runflats, they come with inflator and foam. Sits in the boot at the side of the battery under the boot floor.
No f20/21 has a spare tyre and jack.

Cheers
Lee
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      03-18-2013, 11:58 AM   #16
neilwilliams
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When I got my F20 I didn't like the wheel designs that went with the non-runflat tyres so I made sure to test drive cars with runflats and with the stories of the abysmal ride of the first generation runflats ringing in my ears I was pleasantly surprised by the ride and comfort even with me turning to the salesperson and asking for the nearest speed bumps.

I'd say test both and see what you think of them. Also look at the replacement costs for each type of tyre. The dealer, while trying to sell me tyre insurance, went to some lengths to explain that runflats are stiffer and have less give in them so are more likely to puncture.
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      03-18-2013, 01:05 PM   #17
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Quote:
Originally Posted by harrys View Post
I would like your opinions about my dilima
Should i go for runflat michelin primacy hp zp (runflat)
Or for michelin pilot sport 3 no runflat?
In both cases 205 55 16 91v
Harry, I guess you are thinking to go with conventional tyres instead of RFT ones due to lack of comfort, right? Which RFTs do you have? I use Bridgestone Potenza S001 RFTs on 17" wheels and, after 2 months and nearly 2000 kms, I got used to them. Comfort is acceptable (although I feel every bump and cavity on the road) but the grip is fantastic!

Of course, RFTs cannot be compared (even the latest generation) with the conventional tyres in terms of comfort.

I've heard (please guys correct me if I am wrong) that the F20 suspension setup was optimized for RFT tyres. Would it be OK to put conventional tyres? Also, regarding conventional tyres, I've heard that you may gain in comfort but you may lose in the feel of the steering wheel and suspension.

Personally, I prefer to feel the bumps but steer when and how I want. However, if I had the chance to test conventional tyres, I would do so.
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      03-18-2013, 01:12 PM   #18
harrys
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I have brigestone er300 205 55 16 w. i agree dim73 with you. I also would like to test conventional tyres to see how they perform.
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      03-18-2013, 01:24 PM   #19
ovekvam
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Quote:
Originally Posted by Dim73 View Post
I've heard (please guys correct me if I am wrong) that the F20 suspension setup was optimized for RFT tyres. Would it be OK to put conventional tyres? Also, regarding conventional tyres, I've heard that you may gain in comfort but you may lose in the feel of the steering wheel and suspension.

Personally, I prefer to feel the bumps but steer when and how I want. However, if I had the chance to test conventional tyres, I would do so.
The grip, steering feel and balance of our 116i M-Sport is at the same level or better than the demo car I tested with runflats.
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      03-18-2013, 03:09 PM   #20
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was told I cant get non-runflats with the sport? this true??
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      03-18-2013, 03:45 PM   #21
ovekvam
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Quote:
Originally Posted by ripkord View Post
was told I cant get non-runflats with the sport? this true??
You dealer will perhaps not manage to arrange it, but it is definitely possible. It is just a matter of buying a different set of tires, and put them on the wheels.
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      03-18-2013, 03:58 PM   #22
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Quote:
Originally Posted by ripkord View Post
was told I cant get non-runflats with the sport? this true??
The dealer can't do this in the UK.

The ES, ED, SE and M135i have a choice of non runflats or runflats.

The Sport, Urban and M-Sport are runflats only.

Same if you change alloy spec, you are stuck with runflats. We wanted different wheels but then we would have to have had runflats.

Strange marketing by BMW, they lost money from us by not offering a choice across the range.

Cheers
Lee
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