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      11-09-2012, 12:35 PM   #1
bundy98
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Winter Tires Installed - But....

I just installed four 17x8 Elbrus I08's with Dunlop SP Winter Sport M3- 215/45R-17.

I put them on Wed afternoon and thought everything was going to be great. I love the look, the ride felt really good, but then I accelerated to try to pass someone on the highway. The car started to wiggle back and forth and took more """skill/effort""" then I would have like to make an easy pass. I did it a couple more times in the past few days and the same thing happened. So the genius in me ruled out the wind.

This is my first rear wheel drive car with snows on it. I know the tires are softer, but I've never experienced anything like on my front or awd cars with snows.

Any ideas?

Also, what PSI should I be running, maybe I have it too low ?

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      11-09-2012, 02:53 PM   #2
guitarguylp
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I have the same tires, and I find that there is not a lot of traction when accelerating, but braking, and cornering is OK. I have stock recommended tire pressure.

I have had Nokian Hakapalita RSIs, and Gislaved Nordfrost 5 studded winters on my Mercedes, and these are much better for winter traction. I find the Dunlops are better on dry roads, and at high temps.
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      11-09-2012, 07:19 PM   #3
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It sounds like you are breaking traction and the DSC is kicking in and out. Don't forget that it takes about 200 miles to properly scuff in new tires - hopefully things will improve after the break in, but you will still have to modulate your throttle inputs with 300 ft lbs of torque.

I had the non RFT M3s on an E46 and they were quite stable for a winter tire.

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      11-10-2012, 01:16 AM   #4
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winter tires

Quote:
Originally Posted by Tom K. View Post
It sounds like you are breaking traction and the DSC is kicking in and out. Don't forget that it takes about 200 miles to properly scuff in new tires - hopefully things will improve after the break in, but you will still have to modulate your throttle inputs with 300 ft lbs of torque.

I had the non RFT M3s on an E46 and they were quite stable for a winter tire.

Tom
agree with you.
it happen to me every time i change for the winter tires.
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      11-10-2012, 06:07 AM   #5
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Are your tires brand new? You do realize that any tire needs a few hundred miles for them to burn off the release mold gel or grease off them. Wait until you have driven the tires for a few hundred miles.

I run 205/50HR17's RFTs on 7jx17's for my winter package. You can get the rear end to wag some in the first two gears... but its not that bad. But there ARE winter tires and you really should not be going WOT with them! I only go WOT at highway speeds >50mph and on up.
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      11-10-2012, 04:13 PM   #6
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Quote:
Originally Posted by bundy98 View Post
I just installed four 17x8 Elbrus I08's with Dunlop SP Winter Sport M3- 215/45R-17.

I put them on Wed afternoon and thought everything was going to be great. I love the look, the ride felt really good, but then I accelerated to try to pass someone on the highway. The car started to wiggle back and forth and took more """skill/effort""" then I would have like to make an easy pass.
You're going from 245 wide 35 profile tyres, to much narrower 215/40 profile winters tyres and wonder why it's more skittish in winter conditions
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      11-10-2012, 09:12 PM   #7
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I've got the same size all season Continental DWS tires on my 135 right now for winter and mine feels skittish too. Not breaking loose, but when you get on it hard it almost feels like its pulling to one side or the other. I chalked it up to the short wheel base and taller skinnier tires.
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      11-11-2012, 03:25 AM   #8
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I have ran those tires for two winters now. Took a 500 mile road trip with them the first time I put them on and the traction control light came on coming out of every curve on the highway. After that trip I played with tire pressures, started running 32psi all around and since then have found them to be great winter tires. Still does not mean you can go WOT unless you are in at least 3rd gear but they perform very well in the cold, snow and ice.
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      11-11-2012, 04:39 AM   #9
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Same was here try to increase PSI in your rear tires it will change dramatically.
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      11-11-2012, 01:24 PM   #10
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Quote:
Originally Posted by Tee-Dub View Post
I've got the same size all season Continental DWS tires on my 135 right now for winter and mine feels skittish too. Not breaking loose, but when you get on it hard it almost feels like its pulling to one side or the other. I chalked it up to the short wheel base and taller skinnier tires.
The DWS tires on my 128i had plenty of grip, but the softer sidewalls gave the steering a somewhat "mushy" feel. If this bothers you, it may be ameliorated by an increase of about 3 psi all around.

Tom
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      11-12-2012, 08:47 AM   #11
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Too much power, too little rubber.
When those wear out you may want to just use the stock wheels with wider snows. I run a square set of snows on the stock wheels and they handled pretty well so there wasn't too much fun penalty.
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      11-13-2012, 10:28 AM   #12
bundy98
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Quote:
Originally Posted by Dackelone View Post
Are your tires brand new? You do realize that any tire needs a few hundred miles for them to burn off the release mold gel or grease off them. Wait until you have driven the tires for a few hundred miles.

I run 205/50HR17's RFTs on 7jx17's for my winter package. You can get the rear end to wag some in the first two gears... but its not that bad. But there ARE winter tires and you really should not be going WOT with them! I only go WOT at highway speeds >50mph and on up.
They are brand new... but they do have about 200+ miles since I started this thread. My first two gears are fine I don't feel an issue with it. I am talking about highway speeds, 4 gear WOT. It's challenging just to keep the car straight, let alone trying to make a lane change.

I've had winters on a Mini Copper S and my two STi's -- never felt anything like this...guess it's the smaller rubber on the rear wheels that I'm feeling.

I think I might try to experiment with air pressures and see what happens.
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      11-13-2012, 10:33 AM   #13
bundy98
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Quote:
Originally Posted by Tee-Dub View Post
I've got the same size all season Continental DWS tires on my 135 right now for winter and mine feels skittish too. Not breaking loose, but when you get on it hard it almost feels like its pulling to one side or the other. I chalked it up to the short wheel base and taller skinnier tires.
That's the exact feeling I have... not breaking loose and DSC never comes on... As long as it's "normal" I can live with it.
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      11-13-2012, 10:39 AM   #14
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Quote:
Originally Posted by ptack View Post
Too much power, too little rubber.
When those wear out you may want to just use the stock wheels with wider snows. I run a square set of snows on the stock wheels and they handled pretty well so there wasn't too much fun penalty.
That's probably what I should of done in the first place... it usually doesn't snow here too often, but I like to have the extra security of having them on in case it snows while I'm at work. Especially because I commute in and out of Manhattan everyday.
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      11-13-2012, 11:51 AM   #15
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Hey just wondering about the wheels; do yours look more blue than grey? I have the same ones and they look more blue during the day.
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      11-13-2012, 12:18 PM   #16
bundy98
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Hey just wondering about the wheels; do yours look more blue than grey? I have the same ones and they look more blue during the day.
Haven't noticed them looking blue at all to tell you the truth.
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      11-13-2012, 03:26 PM   #17
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Quote:
Originally Posted by bundy98
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Originally Posted by Tdot135i View Post
Hey just wondering about the wheels; do yours look more blue than grey? I have the same ones and they look more blue during the day.
Haven't noticed them looking blue at all to tell you the truth.
Thanks. It really annoys me because it looks weird but I guess I'll try to cover it in brake dust and then I won't notice it lol
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