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      11-15-2011, 04:13 PM   #5
IS350
IS350 to IS-F to M3 and M4
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Drives: 2015 M4 (F82)
Join Date: Aug 2007
Location: South Carolina

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Thanks all,
This is from my local service manager. I've asked him for a regional service manager and/or Michelin contact. Any other suggestions? Thanks!

------Response to pictures from service manager:
I have seen that before and on my own vehicle. I was puzzled and can logically say that the rough surface of the road or loose gravel could cause the damage. It appears that the tires are being scraped by something.
Are these the front tires? Most of the scuffing on the edge of tires is caused while turning at slower speeds and the tires are giving you the traction to grip the pavement control the direction that you want the vehicle to travel. Sand also can cause traction loss that is rough on tires as well.