| 05-31-2021, 08:57 PM | #1 |
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Tire fitting issues
Hey guys I need your help I'm trying to fit 315/35/20 Michelin4s tires
And for some reason the car doesn't drive good I think it's messing with the ride hight sensor or something. I really need you're guys help to tell me what am I doing wrong why is my car driving bad with them? Thank you |
| 06-01-2021, 02:10 AM | #2 |
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Private First Class
 
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Our cars should have a 30 aspect ratio not a 35 on a 20 inch wheel in the rear. The wheel speed sensors see too much of a variance between front and rear tire speed because of the rears being 28.6X inches and the front being 27.3 inches. This causes traction control and abs faults as well as odd handling characteristics. They probably rub also. A 315-30-20 is possible but pretty wide for a stock rim. 305-30-20 definitely works.
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| 06-27-2021, 09:24 PM | #3 |
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Brigadier General
 
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Drives: 2014 M5 6MT
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Location: Massachusetts
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Running too tall of a tire will also mess with the logic in the mechatronics creating weird shifting issues or jerky response.
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2014 M5 6MT
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