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Assymetric tread versus Directional
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07-29-2012, 07:01 AM | #1 |
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Assymetric tread versus Directional
I wanted to gauge what you guys are running on your cars. Assymetric tread or Directional.
My car is lowered with H&R Sport's. The original runflats on the rear did not even last 15K. Main reason is the inside edge wears so quick, especially when the rear of the car is already lowered. The motion of the rear when it "hunches" down under power is exaggerated. As the rear lowers under power, the camber angle becomes more negative. I decided to go directional after that in the form of Dunlop Direzza DZ101's, 275/30/19. One of the advantages of the directional pattern is that if you start to get uneven wear you can flip the tyre on the rim, now placing the inside edge on the outside thereby extending the life of the tyre. I have had about 6 wheel alignments so far and the car tracks perfectly. Alignment is as per BMW spec. Not modified. The fronts are at about 60%, but the rears are on the tread indicator with a little wear on the inside edge. I would say I was able to get 30K out of the rears due to the above regime of regular wheel alignments and flipping the tyres on the rim. If I was to go assymetric, I would almost have to bin the tyres at the first sight of inside edge wear just due to the fact that you can't flip the tyre on the rim. Once a tyre starts to wear unevenly, even more so with an assymetric tyre, there is nothing that I am aware of that will correct it. So my question is to those with lowered suspension and running assymetric tyres, do you suffer uneven tyre wear, especially on the rear and if you do what do you do to counter it?
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Last edited by 335i-boy; 07-29-2012 at 11:16 AM.. |
07-29-2012, 08:57 PM | #2 |
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Yes I get uneven tyre wear on the back - comes with driving a performance car.
If you have directional tyres, you can always get the tyres flipped.... take them off the rim and remounted on the other side to maximise life. It'll cost ~$40-60 at a tyre shop. Would I intentionally choose an asymmetric tyre to prolong tyre life? No, I want the best performance rubber I can get... which means directional. |
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07-30-2012, 01:37 AM | #3 | |
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07-30-2012, 01:43 AM | #4 | ||
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07-30-2012, 01:58 AM | #5 |
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07-30-2012, 02:30 AM | #6 |
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07-30-2012, 08:32 AM | #7 |
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Thanks gents (well.. I am assuming gents) for your responses.
BMJ, 70K on the rear of a 335i. Frig me!! I am pretty sure you are tuned, right?? Thanks bmroxm5. I have been flipping tyres, among other things, for ages . Its the only way I know to extend tyre life. You don't see OEM directional tyres fitted to cars these days. When it comes to choosing some good tyres, it seems the consensus is: - Continental Extreme Contact DW - Michelin Pilot Super Sport - Yokohama ADVAN Sport - Pirelli P-Zero These are all Assymetric. May just be a trend . I must be missing something here. I was pretty happy with the way the Dunlop Direzza DZ101's performed..
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2008 E92 335i M-Sport | Sapphire Black | Sunroof | Creme Beige | Poplar Grey | Logic 7 | 6AT | 19" AG M359's | Michelin PS4S | LUX V3 | MHD V5 E40 | Steve AZ Walbro inline | Vishnu DCI | BMS CP | AR Design Catless DP's | Forge DV's | Helix IC | (Stock Cat. back) |
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07-30-2012, 07:53 PM | #9 |
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Are the stock camber arms dialled out of range to achieve flat road contact?
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