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      10-29-2019, 07:34 AM   #16
FormulaMMM
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Drives: E90 M3
Join Date: Oct 2011
Location: Midwest

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Quote:
Originally Posted by Docall View Post
MDM was very intrusive. It was cold at Road America only 38-44 deg so I did run with mdm as I couldn’t get much heat into the Nt01tires. The overall diameter on the rear tires are about .5 in off stock I believe, and I think this was why the mdm was so intrusive. I usually run with traction control all the way off.
Sweet pics. No, it's not the rear tire width or diameter. Whether stock 20" w/ 285s or aftermarket 19" with 305s fitted, unfortunately MDM is useless. GTS is an old school M car, has to be run TC fully off for any pace. (Understandable why you decided against that on a 40 degree day @ RA...) It'll feel like a new car whenever you do get to turn everything off.
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