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10-08-2008, 06:48 PM | #23 |
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Confused about Winter Tires... Help
Ben has advised us that 18x8 wheels all around should be fine while my TireRack advisor is saying 18x8 for the front and an 18x9 rear. But the tire size is the same; 235/40R18!!! My understanding is different wheel sizes is only to maintain the staggered setup. Are the different wheel sizes needed to clear the rear rotors? Will the 235/40R18 tires fit the 18x9 rear wheels? or Do I need different tires for the 18x9? Can someone clarify? Your input is greatly appreciated. Thanks
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10-09-2008, 11:40 AM | #24 |
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If you are running the same size tires, you should generally run the same size wheels. 235/40R18 will fit on the 9" wheel, but there is really no good reason for doing so for winter. The wider rear wheels/tires will look better, but for actual snow performance, narrower is better.
Staggered setups make sense for those with milder winters who want clear-road handling more similar to what they have in the summer. The Tire Rack is gradually completing the winter database for this car. Until then, most reps will (rightly) stick to the most "standard" configuration, which is the staggered setup. That is the same thing I would do if it were another car that I was not specializing in. Since I work with this particular car every day, I have a bit more information than average, and don't mind going to things that are BMW recommended but have not made it into our database yet. If you have any questions, always feel free to call me at the number in my signature.
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10-09-2008, 04:43 PM | #25 |
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Ben:
Any package price for wheels only and TPMS - I like the MT1 wheels but looking to go for Nokian tires which you unfortunately don't carry. Would be in 8.5 width for 235s all around. Thanks. |
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10-09-2008, 08:16 PM | #26 | |
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Thank you for your valuable info. It's becoming clearer now. Ilike the Breyton Race GTS-R, do they come in 18x8? Do you recommend them for the Winter? If yes, how much are they with TPMS? How much are the Blizzak LM25? You can PM me if you prefer. Thank you so much. |
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10-10-2008, 10:26 AM | #27 | |
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Shipping a set of wheels is usually somewhere around $50 or $60 depending on weight and where you are.
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10-13-2008, 10:38 PM | #30 |
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That is the recommended offset by BMW for an 18 x 8 wheel for winter tires.
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10-13-2008, 10:55 PM | #31 |
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Doesn't that significantly alter the scrub radius for the fronts?
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10-14-2008, 10:15 AM | #32 | |
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10-14-2008, 10:29 AM | #33 |
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It alters the scrub radius. I'm not sure if it "significantly" alters the scrub radius. The BMW recommended wheel width and offset is 18x8 et20 for winter use. Remember 9mm is like 3/8 of an inch. Not significant in my mind.
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10-14-2008, 10:54 AM | #35 |
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Any change in the offset technically does affect the scrub radius, but a few mm is not the end of the world.
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10-14-2008, 08:24 PM | #36 | |
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Does BMW offer a winter wheel package at those specs then? If they do, how much?
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10-19-2008, 03:50 PM | #38 |
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Ben -on your website I get this warning when I select Blizzaks:
Tire Load Warning The following tire you have selected has a higher load rating than the vehicle's Original Equipment (O.E.) tires. This typically results in increased ride harshness, which some customers may find undesirable. To select a different tire, REMOVE the tire from your cart and search for a tire with a load rating that matches your vehicle's O.E. rating. To purchase the tire you have already selected, KEEP IN CART / CONTINUE. Item Description Qty Price Ea. Total 235/40R18 XL Bridgestone Blizzak LM-25 Blackwall for 2008 BMW M3 Coupe 2 $198.00 $396.00 Item Description Qty Price Ea. Total 255/40R18 XL Bridgestone Blizzak LM-25 Blackwall for 2008 BMW M3 Coupe 2 $228.00 $456.00 Please advise -thanks, Steve |
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10-21-2008, 12:49 PM | #39 |
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They are not guaranteed to fit. I think they'd have a chance, but I'd recommend test fitting before you drive on them.
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10-21-2008, 02:20 PM | #40 | |
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10-30-2008, 09:29 PM | #41 |
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Maybe I don't get it, but can you please confirm Ben that the Sport Edition A7 18x8 can fit in the back too without spacers?
Thanks for this confirmation. I will order from TR as soon as I can have this confirmation. What kind of delay should I expect for shipment to Montreal, Canada? Thanks, Vincent |
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10-31-2008, 03:25 PM | #42 | |
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11-01-2008, 11:11 PM | #43 |
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Thanks for the answer. Have you installed and tested them?
Any pics of the wheel on your car? I will order them in the next days for sure. Thanks again, Vincent |
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11-02-2008, 07:15 PM | #44 |
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Open vs. Closed style wheels for winter
I'm in Montreal and plan to occasionally take my car out in the winter. We get a lot of snow, sleet & ice - are closed-style wheels better to protect the discs?
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