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      01-02-2020, 11:53 AM   #1
Wolfman64
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Snow Tire question

Oddball question...

So for the M8 there appears to be no all-season tire option and only a single snow tire option with the Pirelli Sottozero II's.
At least with the stock rim setup.

I prefer staggered over square setups for snow and have done so for many years.

While the Sottozero II's are OK I found that the Sottozero 3's work much better.
Of course they aren't available in the sizes needed except if I were to go with Sottozero3 run flats in front and regular in the rear.

Thread pattern appears identical.

Stupid idea? Best tire choice?
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      01-02-2020, 03:28 PM   #2
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Did you explore other winter tires, whether run flat or go flat?

I would suggest to choose the best winter tire for the climate and then select a separate set of wheels for winter driving.
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      01-02-2020, 04:10 PM   #3
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Quote:
Originally Posted by cfm56d7b View Post
Did you explore other winter tires, whether run flat or go flat?

I would suggest to choose the best winter tire for the climate and then select a separate set of wheels for winter driving.
That makes sense but I have stayed away from this for the simple reason that we change cars every 2 years or so and we ended up accumulating a larger collection of wheels and tires. Too many offsets and tire sizes.. At least the tires are quick and easy to get rid of.

I ended up ordering a set of Sottozero II's after being advised against mixing up RF/non RF Snows.
If I get wheels, it'll be likely for summers and keep the snows on the stock rims.

Thanks!
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      01-03-2020, 04:13 AM   #4
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Quote:
Originally Posted by Wolfman64 View Post
Oddball question...

So for the M8 there appears to be no all-season tire option and only a single snow tire option with the Pirelli Sottozero II's.
At least with the stock rim setup.

I prefer staggered over square setups for snow and have done so for many years.

While the Sottozero II's are OK I found that the Sottozero 3's work much better.
Of course they aren't available in the sizes needed except if I were to go with Sottozero3 run flats in front and regular in the rear.

Thread pattern appears identical.

Stupid idea? Best tire choice?
Go with the F90 settup that's what I'll put for my m8 they have the Michelin winter tires but the wheels are 19inch :/ it's should work perfect
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      01-03-2020, 08:30 AM   #5
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I usually just go with the BMW winter package. I find that selling the factory winter package when not needed is actually very easy and I do well with it. Factory wheels that are unmarked and not damaged sell very easily, both locally and on the forums. Especially for SUVs, less so for cars and coupes but they all sell.

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      01-23-2020, 09:15 PM   #6
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Quote:
Originally Posted by Wolfman64 View Post
Oddball question...

So for the M8 there appears to be no all-season tire option and only a single snow tire option with the Pirelli Sottozero II's.
At least with the stock rim setup.

I prefer staggered over square setups for snow and have done so for many years.

While the Sottozero II's are OK I found that the Sottozero 3's work much better.
Of course they aren't available in the sizes needed except if I were to go with Sottozero3 run flats in front and regular in the rear.

Thread pattern appears identical.

Stupid idea? Best tire choice?
For M8 only one option Pirelli P zero winter

http://winter.pirelli.com/en-ww/
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      11-30-2021, 11:14 AM   #7
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Hi, what tires do you recommend for the M8? currently all in europe are approved for Mercedes or Porsche . / 285/35/20 and 275/35/20 /. BMW Styling 811 M Star-Spoke
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      11-30-2021, 12:05 PM   #8
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Quote:
Originally Posted by hans000 View Post
Hi, what tires do you recommend for the M8? currently all in europe are approved for Mercedes or Porsche . / 285/35/20 and 275/35/20 /. BMW Styling 811 M Star-Spoke
I have the pirelli sottozero 2 porsche rated on my m8 wheels (same specs as original) for 1.5 year now and they are excellent
Very good grip
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      11-30-2021, 12:12 PM   #9
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Quote:
Originally Posted by ctelimad View Post
I have the pirelli sottozero 2 porsche rated on my m8 wheels (same specs as original) for 1.5 year now and they are excellent
Very good grip

It's not a problem ? to take tires with a different approval? I heard that the drive might fail from this
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      11-30-2021, 12:21 PM   #10
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on the back and front do you have approvals? Porsche? or just that? - currently, in Europe, I have approvals only for the rear of Mercedes or Porsche
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      11-30-2021, 12:24 PM   #11
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Quote:
Originally Posted by hans000 View Post
It's not a problem ? to take tires with a different approval? I heard that the drive might fail from this
Zero issues. Load rating is the same and so are the tread patterns. Only the rear are Porsche designated...

Out setup has worked great for the last two winters in MN. A state with a more cold temps, ice and snow than anywhere in the UK.
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      11-30-2021, 01:44 PM   #12
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Quote:
Originally Posted by Wolfman64 View Post
Zero issues. Load rating is the same and so are the tread patterns. Only the rear are Porsche designated...

Out setup has worked great for the last two winters in MN. A state with a more cold temps, ice and snow than anywhere in the UK.
Ok, that is, the front should be done without approval and the rear with Porsche approval and drive - In BMW Poland I got information about how to put on 20 winter tires, I kill the guarantees: /
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      11-30-2021, 08:53 PM   #13
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Quote:
Originally Posted by hans000 View Post
It's not a problem ? to take tires with a different approval? I heard that the drive might fail from this
Only the rear are porsche
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      12-01-2021, 12:56 AM   #14
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Quote:
Originally Posted by hans000 View Post
Ok, that is, the front should be done without approval and the rear with Porsche approval and drive - In BMW Poland I got information about how to put on 20 winter tires, I kill the guarantees: /
I think you are overthinking the Porsche mark on the tire. It has no relevance to the performance of the snow tire.
If you are very concerned about this BMW will be happy tp sell you their 19" winter wheel package
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      12-01-2021, 03:20 AM   #15
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What is your opinion on the winter / P ZERO ™ WINTER?
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      12-01-2021, 09:29 AM   #16
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Quote:
Originally Posted by hans000 View Post
on the back and front do you have approvals? Porsche? or just that? - currently, in Europe, I have approvals only for the rear of Mercedes or Porsche
The porsche "approval"/ N-mark really just means the tire manufacture worked with Porsche and tested that tire for a specific car, it certainly doesn't mean it is only for that specific car or the only tire you should use for that specific car. Similar to a BMW/star version of a certain tire, they may be different (tread patterns, compounds, thicker outer vs inner sidewalls, etc.) to maximize grip and stability for that car vs a more general audience, but that's not necessarily a bad thing.

Not sure about the Sottozero, but the Alpin N-mark tires were directional in the back and the regulars were asymetrical in the front when I was looking. Assuming that's the same case here, with the fronts moving water differently than the rears, there should at least be some additional inherent traction difference front to back, but we're talking about a car with a staggered setup anyway, so you would expect that and it's arguable whether that it's really worse. You'll see many P-cars or others with wider rears running this way even on their summer tires.
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      12-01-2021, 09:46 AM   #17
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Quote:
Originally Posted by unfoundnemo View Post
The porsche "approval"/ N-mark really just means the tire manufacture worked with Porsche and tested that tire for a specific car, it certainly doesn't mean it is only for that specific car or the only tire you should use for that specific car. Similar to a BMW/star version of a certain tire, they may be different (tread patterns, compounds, thicker outer vs inner sidewalls, etc.) to maximize grip and stability for that car vs a more general audience, but that's not necessarily a bad thing.

Not sure about the Sottozero, but the Alpin N-mark tires were directional in the back and the regulars were asymetrical in the front when I was looking. Assuming that's the same case here, with the fronts moving water differently than the rears, there should at least be some additional inherent traction difference front to back, but we're talking about a car with a staggered setup anyway, so you would expect that and it's arguable whether that it's really worse. You'll see many P-cars or others with wider rears running this way even on their summer tires.
It is not the case with this tire because it is exactly the same thread fromt and back
I checked them and they are exactly the same
And they are excellent with no traction issues at all
And to be honest they hook better then my michellin summer ps4s (given my car is tuned)
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      12-02-2021, 12:02 PM   #18
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What is your opinion about the Michelin Pilot Alpin PA4? any experiences? unfoundnemo ctelimad Wolfman64
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      12-02-2021, 12:39 PM   #19
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Quote:
Originally Posted by hans000 View Post
What is your opinion about the Michelin Pilot Alpin PA4? any experiences? unfoundnemo ctelimad Wolfman64
One of our "company cars" which I drive on occasion is an RS5 that wears Alpins in the winter and I have driven a friend's F80 with them side by side with Sottozero 3 on my old F80. Never had an AWD BMW with them, but I would say they had a bit of an edge over the Sottozeros in both of my experiences. It was pretty close, though, definitely not different enough that I was going to scour the earth to find the correct sizes; however, if I had a like for like choice, I'd take the Michelins.

I tried to get Alpins for my M8 last year, but the best I could have done size-wise would have given me the different tread pattern in the rear, so I opted for the Sottozero again, albeit a series II. I did have a bit of a traction scare on a damp road with 50 degree tire and 30 degree air temps with the Sottozero, but I blame myself for pushing it a little too hard for those conditions given the numbness of the M8, especially with it being new to me at the time. It wasn't anything serious at that, just a little oversteer I was able see but not feel at 90+ around a slight bend through a rock cut that made me check my pants.
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      12-02-2021, 01:05 PM   #20
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I am asking about the Michelin PA4 because Manhart offered me such tires

275/35/20 and 285/35/20
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      12-02-2021, 02:04 PM   #21
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I am surprised only by one thing because there are different treads front and back and is it a good solution: /
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      12-02-2021, 04:26 PM   #22
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Quote:
Originally Posted by hans000 View Post
I am surprised only by one thing because there are different treads front and back and is it a good solution: /
ah, yeah, that was my hesitation, there's a couple of threads on that with the Alpin's. Seems like most say it's fine, but BMW and Michelin would certainly say otherwise:
https://f90.bimmerpost.com/forums/sh....php?t=1787152
https://f92.bimmerpost.com/forums/sh....php?t=1782748
https://f92.bimmerpost.com/forums/sh....php?t=1784604 (linked from the two above)
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