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08-18-2010, 04:40 PM | #2 |
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Have had them on the car for a few weeks now, 19's, and love them. Have found them to be a bit more sensitive to road conditions, notice a crappy road more than before ( which were stock 18's, so that seems obvious). Haven't noticed anything crazy or anything, can still drive on the highway at 80 good road with very little vibration but a bit is to be expected, and have pushed over 150 mph a few times and feels great... Not sure what you're experiencing
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08-18-2010, 04:42 PM | #3 |
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They're stiff sidewalls, but I haven't heard of any vibration issues.
If it is always present at a certain speed, it is likely a balance issue. Could be an out of round tire, could be an incorrect balance, or the tire could have shifted on the wheel after the balance was done, or (may the wheel gods forbid) a wheel could be bent. If it vibrates for a while at the start of the drive, and then smooths out, it may be temporary flatspotting. Or it could be something I'm not thinking of, but those are the most likely suspects.
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I have accepted a new position at Tire Rack and am no longer in the sales department. gary@tirerack.com is available to assist with M3 questions. |
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08-19-2010, 06:36 AM | #6 | |
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Drives: 2009 E-90 M3 space gray
Join Date: Nov 2008
Location: Deutschland KreisTrier auf Autobahn 64 & Tucson AZ
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Any explanations would be great ben both tires are sitting at 6/32 with lots of life left what gives ive never ever expierenced these conditions before and i have been driving here in Germany for the past 15 years |
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08-19-2010, 03:37 PM | #7 | |
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The Yokos are designed for high speed use, they are generally rated for 168mph (W) or 186mph (Y). The AD08's were originally built for the Japanese market, and have generally held up very well to hard driving, drifting, and light track duty. Heating up and cooling down may be a reference to the temporary flatspotting I mentioned. You run a tire, it gets hot, then you park it, and it cools down. In whatever position it stops, the bottom of the tire gets "smushed" and flattens out a little, and once it cools it wants to stay in that shape. Then when you start out the next day, it can thump/vibrate/shimmy etc. If this were the cause, a few miles of driving would smooth them out, unless you left the car parked in one place for months or years. From your description, it sounds like the tires have developed some type of uneven wear or defect or damage. I am glad that customer service was able to help you. If you can PM me your invoice number, I can try to find out what the diagnosis is when they get back.
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