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Old 01-22-2019, 11:36 AM
jamessp1 jamessp1 is offline
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Winter Tyre facts on M850i (G15)

Hi friends, my dealer recommends 19Ē 245 winter tyres all round. The standard tyres are 20Ē 285ís. Iím not at all happy putting 245ís on a 500+ HP car for 4-5 months of the year. Should wider bigger winter tyres be available, or am I over-reacting? The M850i has only been out in the UK for a short time, so I donít really know what to expect.


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  #2  
Old 01-28-2019, 11:28 AM
jamessp1 jamessp1 is offline
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Old 02-27-2019, 09:27 PM
ed914 ed914 is offline
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M850i Winter Tyres

jamessp1: Here in "The Colonies", the M850i 20" wheels come in a staggered setup, i.e. 245/35 up front and 275/30 in the rear.

I live in the shadow of the Sierra Nevada and the conventional wisdom is that you do want narrower tyres for snow travel. Less resistance. So, the recommendation for 245s all around does not seem wrong. I do that on my 535xiT--17" wheels with narrower types during winter vs. the stock 18" wheels during summer. And we are having one hell of a winter this year!!

Cheers, ED
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Old 03-03-2019, 11:53 AM
jamessp1 jamessp1 is offline
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Hi Ed, thanks for responding. Itís good to know, and Iím pleased to know that info from the dealer was accurate. Winter in the UK is virtually non-existent , but I drive in France and Germany where it is mandatory so I have to have a set. Itís a shame, because theyíre not really needed in UK, and spending 4-5 months on thinner tyres is a drag.


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Old 03-03-2019, 05:57 PM
listerone listerone is offline
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Correct me if I'm wrong but unless you're in Scotland you don't encounter much snow or ice. If I'm correct on that point why can't you just go with "all season" tires (sorry, "tyres") in winter? My little corner of the world sees a lot of snow and ice and I always manage with "all seasons".
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Old 03-05-2019, 06:01 PM
ed914 ed914 is offline
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M850i Winter Tyres

listerone:

Hi, I'm originally from CT too (Stratford/UCONN) :-)

James will be driving on The Continent. At least in Germany, if you cause a problem/accident and don't have snow tires between 15 Oct - ?? Mar, you WILL be fined! Heavily.
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Old 03-05-2019, 08:40 PM
ImolaRedM ImolaRedM is offline
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I run staggered winter tires on my G30 that runs the same 245/35R20 in the front and 275/30R20 in the rear. Tire selection is very limited and I've been quite happy with the setup despite going against common convention to run a narrow square setup. Keep in mind that I'm not running chains.
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  #8  
Old 03-24-2019, 12:02 PM
jamessp1 jamessp1 is offline
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Iím taking delivery end of April, and have finally opted for winter tyre widths 245 front and 285 rear. I just donít want to drive on thinner tyres when in the UK and winter tyres are largely useless. Staggered is fine. Some time about 8 months in the future, Iíll tell you how they worked out. Thank your for your comments and suggestions.


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  #9  
Old 03-25-2019, 08:21 PM
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XZLR8 XZLR8 is offline
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I won't be putting winter wheels & tires on my M850i until next winter, but I was told that there were two BMW-approved options, both 19s, one staggered and one not:
Option 1: Style 786M in Black, 8x19 non-staggered (first picture)
Option 2: Style 727M in Orbit Grey, staggered (second picture)

I believe the black 786M wheels are the same ones that are now being recommended as a winter set-up for my M550i, as well, replacing what I have been running, the black 664M (third & fourth pictures, although that's not my actual car). I would assume that means my 664M winter wheels from my M550i will fit the new 8er. Not sure if I would like the look of them on the 8er, though.

I guess I have a few months to figure it out.
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  #10  
Old 10-16-2019, 06:59 PM
SSK1951 SSK1951 is offline
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Both Michelin and Continental make the 20" winter tires in the summer profile OEM sizes. However, they are not RFT's, so you'd have to carry a sealent kit.
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