12-07-2014, 12:02 AM | #23 | |
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12-07-2014, 12:25 AM | #24 |
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Wider winter tires will probably provide better traction if conditions are dry/wet but according to Tirerack, narrower tires are for snow.
"Priorities for Sizing Winter Tires Are Different Original Equipment tire and wheel sizing has evolved over the years to where yesterday's typical 13", 14" and 15" sizes have been replaced with today's 16", 17", 18" and larger sizes. For that matter, many current cars, vans and light trucks now feature wide, low profile tires mounted on large diameter wheels as standard equipment or factory options. Unfortunately wide, low profile tires have to "plow" a wide path through deep snow, where narrower tires have an easier time. So if you're likely to drive through deep snow this year, you'll want winter / snow tires and wheels in sizes that help put the laws of physics on your side." |
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12-07-2014, 12:25 AM | #25 | |
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12-07-2014, 12:30 AM | #26 |
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I think that may be true in some instances, but tread pattern and tire compound make a big difference as opposed to just tire width. Again, it depends on what "winter" you experience.
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12-07-2014, 01:21 AM | #27 |
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Correct The worst winter I have experienced was in Toronto (Canada) during 5 years I was living there...
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12-07-2014, 06:54 AM | #28 | |
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12-08-2014, 08:56 AM | #29 |
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Ok, so not to thread jack and not to create yet another thread on Winter Tires, which I know will only eventually be moved to the tires and wheels section by the mods, I am scheduled to install my new Winter Tires this Thursday at my local shop.
Here are the tires that I have ordered: Rears: 295/30R20 Michelin Pilot Alpin PA4 N-Spec Directional, N0(Porsche) Serv. Desc: 97V Fronts: 265/35R20 Dunlop SP Winter Sport 3D Serv. Desc: 99V Like I said, they are an exact match to the Michelin Pilot Super Sports High Performance Summer Tires sizes. After exhaustive research I have determined that mixing front and back brands of tires has no detrimental effects on the performance of the car, that is unless you are running drastically different tire types, like All Seasons on the front and High Performance Summers on the rear and you are taking the car on the race track. It is only a bad idea if you run two different tire brands with different tread patterns on the same axle, which is not what I am doing. As has been stated before, I am not expecting super awesome performance in the snow because I have really wide winter tires on my rear wheels, but instead, I am hoping that traction can be maximized while my M5 wears Winter Tires during the winter months when driving on dry and wet roads during extremely cold and frigid temperatures, such as 30 degrees F to -30 degrees F, like we experienced last winter here in DC. Last winter it wasn't a problem because I kept my M5 in hybernation mostly as I had another car to drive, however for this winter I am down to one car, as I have just sold my Fiat Abarth. So I wanted to keep my M5 mobile throughout the winter months this season. I also decided to not go ahead and purchase a new set of wheels just for winter tires for a few reasons. One being that I love the 343M's and it was hard to imagine putting worse looking wheel on the car. Second, was the extra costs involved. Third, it would be a storage issue for me to have a second set of wheels. I'll provide an update when I get the new winters installed. Here is a preview of my winter to come. Lol!
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12-08-2014, 09:19 AM | #30 |
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20" Michelin Alpin PA4 yes mixing the tyre types big NO NO.
I have 20/35/255 fronts: 20/35/275 rears (MIchelin Alpin PA4) on my M6 GC CP, they are just great, no problems at all.
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12-08-2014, 09:28 AM | #31 | |
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My experience so far is that it is easier to spin the rear tires with narrower snow tires in the back but car went through slush fine. I'm mostly concerned about being able to stop. |
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12-08-2014, 09:37 AM | #32 |
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I understand your concerns. As I have tried to convey, I don't plan on taking the car to the race track with the winter tires on, and I don't plan on attempting to enter a drifting competition during this winter, although that would be fun. We don't get mountains of snow here in this part of the United States and the snow plows do a very good job of clearing most of the major roadways. I don't expect grip and stopping power to be an issue by mixing front and rear tires of the same type (both winter), but if I experience a violent out of control situation, then I will get different tires. I just need my car to mostly get me to my place of work every day during this winter, nothing more really. In this part of the USA there are no mountains and no rally events during the winter, so I don't planning on driving in those conditions either.
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12-08-2014, 10:23 AM | #33 |
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Dave - seems logical if you can avoid snow/ice driving - would be good to get some feedback on traction with the wide winter compound setup.
And on the subject of Abarth, have you seen this: - http://www.autocar.co.uk/car-review/...biposto-review |
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12-08-2014, 10:27 AM | #34 | |
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12-08-2014, 12:23 PM | #35 | |
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12-08-2014, 12:48 PM | #36 | |
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I decided to switch my order up based on your recommendation and am going with the Pilot Alpin 245/35/20 for my front wheels instead of the Dunlops. Last Winter got down to -17 degrees F here because of that damned Polar Vortex, but the snow wasn't all too bad. Maybe we can meet up this winter and make a video.
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12-08-2014, 12:52 PM | #37 | |
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12-08-2014, 04:10 PM | #38 | |
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Thought about it but you guys discouraged me because of insurance issues and difference in diameter! ! Enjoy bro I'm gonna have to wait a few more thousand miles What brand? |
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12-08-2014, 04:52 PM | #39 | |
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And I got Michelin Pilot Super Sport
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12-09-2014, 06:38 PM | #40 |
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ton of people run a 305 on the stock m5 20s i have a set on mine.
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12-09-2014, 07:48 PM | #41 | |
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You may be interested to see the size of BMW M5 343M rims (rear) here which is 20X10: http://www.realoem.com/bmw/showparts...43&hg=36&fg=15 You also may want to check the spec of 305/30/20 if you double click on spec here: http://www.tirerack.com/tires/tires....=45-14805147-2 Anyways, it's your car and your decision
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12-10-2014, 09:16 AM | #42 |
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Scary stuff! I hope my car dosnt spontaneously combust for going against the will of tire tack 😁. Just kidding !!! I like to live one the edge I guess
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12-11-2014, 07:06 PM | #43 |
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Mika got her new Snow Shoes on today!
I shit you not, about 1 hour after I left the shop, it started snowing! HAHA! It was not even forecast to snow today and the temp at ground level was still 40 degrees F. It completely surprised me but I was happy that I just got the new tires on. So far they are great. Since they are brand new, there is a small break in period, so the M5 was a little squirmy when leaving the shop at 3/4 throttle. I can tell the sidewall is a little softer, but they definitely feel like Michelins. When I got Mika up to about 80mph, the front end did feel a tiny bit floaty, but that's prolly because they are new still. I got the 245 fronts and they fit the front wheels fine, but the rears barely fit on the stock 20" 343M Pre-LCI M5 wheels. All I have to say now is, get ready for BMW F10 M5 Snowkhana 2015!
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12-11-2014, 08:09 PM | #44 |
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My local dealer suggested putting on the 265/35/20 winter tires all around. They said there should be no issues running that size on the rear tires. Has anyone done this?
Raj
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