Winter Wheels

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ScooBeeFive
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Winter Wheels

Post by ScooBeeFive » Fri Oct 16, 2020 8:36 pm

As some of you may have seen elsewhere, I'm trying to decide on a set of winter wheels and tyres for my B5. However, I'm getting lost in a world of offsets and tyre width decisions, so thought I'd ask for some advice.

The recommended winter option for the B5 are the standard 20" C11 wheels - 8.5J front with offset ET33 and 9.5J rear with offset ET44:

https://www.alloywheelsdirect.net/bmw_a ... wheel_4533

However, they recommend running a 255 tyre all round - this matches the summer fronts but is 30mm narrower on the rear. I can only think the narrower rear is for increased traction in snow, but it seems weird to me to run the same size tyre on a staggered wheel set up - a 255 seems narrow on a 9.5" wheel. You can get a winter tyre in the 285/30 R20 summer size but it's not cheap.

In the past, I've always run an inch smaller wheel in the winter, so I've looked at the 19" options. The C10 wheel was designed for the F3* 3 Series - they are 8Jx19 ET34 front and 9Jx19 ET44 rear, so pretty much identical offset to the 20" C11:

https://www.alloywheelsdirect.net/bmw_a ... wheel_6349

However, I can't see anywhere that states these can be run on an F11. I'd have thought they would be fine with those offsets, but does anyone know to the contrary?

I'd appreciate any thoughts on the above really - both on tyre widths for the 20s and on the compatibility of the 19s.

Thanks All!
Paul

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Re: Winter Wheels

Post by Metrics » Fri Oct 16, 2020 10:48 pm

I guess 2 ways you can take this decision - as Alpina suggest, or your own route.
Alpina route is the staggered wheels with 255 all round. Nothing to stop you going with 285 rears. As you say, 255 will be a snow consideration.

Looks like the F3* 19s should fit given the offsets, but I think they will look odd on the F11. Why? Because frankly the 19s look small on the F3*, and being narrower will be a bit lost in the larger F11 arches. Theses wheels will also need a careful consideration on tyre size to match the rolling circumference on the summer set up.

Just my opinion :D
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Re: Winter Wheels

Post by ScooBeeFive » Sat Oct 17, 2020 12:26 am

Opinions are exactly what I am after!

I've already been convinced away from a non-Alpina style wheel - whilst it's been nice on other cars to have a different look, the 'Alpina look' really is all about the iconic wheel design. I want to keep that with the winters.

Appreciate your thoughts.
Paul

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Re: Winter Wheels

Post by Frosty » Sat Oct 17, 2020 1:30 am

Paul,

The chap I bought my car from was just switching out the tyres when the temps hit about 7 degrees. I got the winter tyres, brand new, with the car, he ran the 285’s on the rear. On 20’s.
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Re: Winter Wheels

Post by ScooBeeFive » Sat Oct 17, 2020 8:52 am

Hi Paul, I’m obviously not the only one to consider running a wider rear tyre then.

I think if I go with 20s I’d be tempted to run maybe a 265, keeping the 35 profile. Any wider and you’re looking at the switch to 30 profile which takes you back to 285 (or wider) to keep the correct diameter.
Paul

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Charles
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Re: Winter Wheels

Post by Charles » Sat Oct 17, 2020 11:09 am

Perhaps there is another factor to consider?

Without wishing to teach anyone to suck eggs, as we know, winter rubber functions better than its summer cousin below 7C. This is down to the different compound. But then we throw in ice and snow and we are looking at the tread design with extra sipes providing grip in those conditions.

The narrower rears (255) will help cut through snow and ice as opposed to the wider rears (285) which will provide better grip in cold but non-ice/snow conditions.

Clearly it's a compromise which depends largely on how much ice/snow you typically encounter where you live/work/drive.
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Re: Winter Wheels

Post by rc944 » Sat Oct 17, 2020 12:13 pm

i do and will continue to stick with the alpina guidance on wheels and tyres
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Re: Winter Wheels

Post by ScooBeeFive » Sat Oct 17, 2020 1:57 pm

Charles wrote:
Sat Oct 17, 2020 11:09 am
The narrower rears (255) will help cut through snow and ice as opposed to the wider rears (285) which will provide better grip in cold but non-ice/snow conditions.

Clearly it's a compromise which depends largely on how much ice/snow you typically encounter where you live/work/drive.
Agree with this Charles - the 255 would definitely perform better in snowy conditions. As you say, it’s a compromise.

I think Metrics is right about the look of the car - it would definitely be best to keep it on 20s. I’m tempted to look for a set of those and then run a 255/265 combination.

Do many sets of C11s tend to come up on eBay? Any ideas what a decent price would be?

Thanks all for your comments!
Paul

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Re: Winter Wheels

Post by Scott E C » Sun Oct 18, 2020 7:48 pm

I am just about to renew the winter front tyres and will follow these Alpina guidelines...
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Re: Winter Wheels

Post by ScooBeeFive » Sun Oct 18, 2020 10:04 pm

Hi Scott,

That’s interesting actually - they recommend the same staggered set up as the summers on the new B5.

Your car is fantastic by the way - glad you’re enjoying it after the RS6!
Paul

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2004 Porsche 911 C4S

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Re: Winter Wheels

Post by ScooBeeFive » Sun Oct 18, 2020 10:19 pm

ScooBeeFive wrote:
Sat Oct 17, 2020 1:57 pm
Do many sets of C11s tend to come up on eBay? Any ideas what a decent price would be?
I’ve been watching these for a few days:

https://www.ebay.co.uk/itm/283980367364

They look nice condition but Hungary is a long way if anything was wrong with them. It looks like they have been painted too - no original stickers and the ends of the spokes are no longer diamond cut.

Has anyone seen sets come up in the past - do these look like value or should I be patient? Sorry for all the questions....
Paul

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Re: Winter Wheels

Post by Frosty » Mon Oct 19, 2020 9:28 am

ScooBeeFive wrote:
Sun Oct 18, 2020 10:19 pm
ScooBeeFive wrote:
Sat Oct 17, 2020 1:57 pm
Do many sets of C11s tend to come up on eBay? Any ideas what a decent price would be?
I’ve been watching these for a few days:

https://www.ebay.co.uk/itm/283980367364

They look nice condition but Hungary is a long way if anything was wrong with them. It looks like they have been painted too - no original stickers and the ends of the spokes are no longer diamond cut.

Has anyone seen sets come up in the past - do these look like value or should I be patient? Sorry for all the questions....
That is a nice looking wheelset though. Question is if they have been repaired or not and that is the gamble I guess. Would be a nice roadtrip, before the snow arrives!
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Re: Winter Wheels

Post by CaesarBob » Mon Oct 19, 2020 1:47 pm

Gee has posted wanted ads for ALPINA wheels in the past, not sure if he sells them on or just stockpiles them for his ever growing collection of B12's and B7's. :lol: Might be worth asking him, he's a bit more local than Hungary!

https://www.thealpinaregister.com/forum ... 39&t=24359
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Re: Winter Wheels

Post by ScooBeeFive » Mon Oct 19, 2020 1:52 pm

Good shout Bob, thanks. I'll drop him a message.

To be fair, the advert for those wheels in Budapest does say they will ship so a drive out there wouldn't be necessary. However, as Paul states, I'm wondering why they have been painted. It says they are exhibition/as new which reads like they were a display set, but if that was the case, why did they need a refurb..... They are still tempting though.
Paul

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Re: Winter Wheels

Post by Metrics » Sat Oct 24, 2020 7:52 pm

ScooBeeFive wrote:
Sun Oct 18, 2020 10:04 pm
Hi Scott,

That’s interesting actually - they recommend the same staggered set up as the summers on the new B5.

Your car is fantastic by the way - glad you’re enjoying it after the RS6!
This might be due to it being xdrive. Probably really important to keep the rolling circumference the same? Just a thought.
2012 Alpina D5 BiTurbo No. 13
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1993 Mercedes 190E 2.6 Sportline spec
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