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      11-23-2021, 11:03 AM   #1
NYCMT
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Has anyone put winter tires on 824M 18/19s yet?

I'm planning on pirelli sottozeros 275/40/18 front and 275/35/19 rear. Has anyone done this successfully yet, or had any issues switching from the OEM tire specs?
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      06-11-2022, 12:44 AM   #2
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Originally Posted by NYCMT View Post
I'm planning on pirelli sottozeros 275/40/18 front and 275/35/19 rear. Has anyone done this successfully yet, or had any issues switching from the OEM tire specs?
I'd be also happy to hear about it...
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      06-11-2022, 10:19 PM   #3
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I did this for my RWD 6MT G80, and it worked out well. 275/40/18 in front, 275/35/19 in back. No major issues this past winter after logging -1000 miles, including a trip up to some modest local mountains with light snow.

The 275 sottozeros in back had a little less grip than the OEM 285s when accelerating, so I had to be careful with the throttle in the wet. Besides that, they performed very well.

The sottozeros were more comfortable than the OEM contis, but also felt less precise. Not sure how to describe it… a little squishy. Just a little. Overall I was very happy with the set up and plan to do the same thing next winter.
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      06-12-2022, 02:03 AM   #4
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Quote:
Originally Posted by NYCMT View Post
I did this for my RWD 6MT G80, and it worked out well. 275/40/18 in front, 275/35/19 in back. No major issues this past winter after logging -1000 miles, including a trip up to some modest local mountains with light snow.

The 275 sottozeros in back had a little less grip than the OEM 285s when accelerating, so I had to be careful with the throttle in the wet. Besides that, they performed very well.

The sottozeros were more comfortable than the OEM contis, but also felt less precise. Not sure how to describe it… a little squishy. Just a little. Overall I was very happy with the set up and plan to do the same thing next winter.
275/35/19 on the rear wheels: is that allowed? Is it homologated? I'm afraid it would be illegel in europe

Can you pls take a photo of the tire pressure sticker?
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      06-12-2022, 07:14 AM   #5
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Quote:
Originally Posted by bustion.com View Post

275/35/19 on the rear wheels: is that allowed? Is it homologated? I'm afraid it would be illegel in europe

Can you pls take a photo of the tire pressure sticker?

At some point, sure I can, but not sure when I'll get a chance…

Last winter I could not find any manufacturers offering 275//40/18 and 285/35/19 in the same winter tire, and I did not want all seasons, and I did not want to mix tire types. Maybe you will find more options. But 275/35/19 is the OEM winter tire spec for this car… on all 4 tires. And the 275/40/18s in the front have a very similar diameter to this spec: estimated difference is less than 0.1 mm (0.3%), though other factors like the wheel widths may affect this to some degree.

So this set up has the OEM summer spec in the front and the OEM winter spec in the back, and is effectively a square set up for winter, as they intended with the winter wheel/tire option. I hope Europol doesn't go after you for that.
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      06-12-2022, 09:03 AM   #6
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Quote:
Originally Posted by NYCMT View Post
So this set up has the OEM summer spec in the front and the OEM winter spec in the back, and is effectively a square set up for winter, as they intended with the winter wheel/tire option. I hope Europol doesn't go after you for that.
I'm afraid they could, especially when they commit to really find something

If you manage to take photo of the sticker - much appreciated!
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      06-22-2022, 02:08 PM   #7
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Quote:
Originally Posted by bustion.com View Post

If you manage to take photo of the sticker - much appreciated!
Here you go…
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      06-23-2022, 07:59 AM   #8
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Here you go…
Thanks. This leaves me confused... nothing said about winter tires and 19/20" combination...
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      06-23-2022, 09:08 AM   #9
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Quote:
Originally Posted by bustion.com View Post
Quote:
Originally Posted by NYCMT View Post
Here you go…
Thanks. This leaves me confused... nothing said about winter tires and 19/20" combination...
Hi

My dealer in Uk says winters on style 829M are 275/35R19 100V michelin pilot alpin 5 all round. Not the best winter tyre but I can cope.

Regards
David
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      06-23-2022, 11:40 AM   #10
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Quote:
Originally Posted by bustion.com View Post
Quote:
Originally Posted by NYCMT View Post
Here you go…
Thanks. This leaves me confused... nothing said about winter tires and 19/20" combination...
The sticker only shows the equipment on the car as it is delivered. In the US, 6MT comes with 18/19 as standard, but can be "upgraded" to the 19/20 comp wheels.

For winter, you could use the same spec as the summer tires, but winter tire options are limited and it can be difficult to find a staggered set up with winter tires that perfectly match the OEM summer specs in two different sizes. That is why I went the route described above. There are more options available for all-seasons.

The recommended winter option from BMW is their winter wheel and tire set which is 19" on all four wheels: 829M, with different width rims for the front and back, and the same 275/35/19 tires on all 4 rims.
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      06-23-2022, 04:08 PM   #11
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Quote:
Originally Posted by NYCMT View Post
The sticker only shows the equipment on the car as it is delivered. In the US, 6MT comes with 18/19 as standard, but can be "upgraded" to the 19/20 comp wheels.
Well, thanks.
A beginner question; what if police stops you and you've upgraded to 19/20; where can they check what are all possible homologated dimensions for your car?

I'm pretty sure on EU versions we have all possible (homologated) tires listed on the sticker.

Photo anyone?
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      06-23-2022, 04:09 PM   #12
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Quote:
Originally Posted by davidmct-M3 View Post
Hi

My dealer in Uk says winters on style 829M are 275/35R19 100V michelin pilot alpin 5 all round. Not the best winter tyre but I can cope.

Regards
David
Maybe colleague from the UK can help us with the door sticker that specifies the tire dimensions and required pressure. =)
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      06-24-2022, 07:19 AM   #13
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Quote:
Originally Posted by bustion.com View Post
Quote:
Originally Posted by davidmct-M3 View Post
Hi

My dealer in Uk says winters on style 829M are 275/35R19 100V michelin pilot alpin 5 all round. Not the best winter tyre but I can cope.

Regards
David
Maybe colleague from the UK can help us with the door sticker that specifies the tire dimensions and required pressure. =)
Would love to but car not arriving till end July. And I don't need to mention here what a journey that has been even with an allocation at point of signing.
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      06-24-2022, 07:26 AM   #14
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Quote:
Originally Posted by davidmct-M3 View Post
And I don't need to mention here what a journey that has been even with an allocation at point of signing.
Feel free to mention in another thread.
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