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Registered
Join Date: Apr 2002
Location: Houston (Clearlake), TX
Posts: 11,360
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I always rotated them when I had a BMW. Sure your lap times won't be optimum but getting more mileage out of a set of street tires is a bit higher on my priority list.
On the old 328i, I went from 17" runflats to 17" go-flats with OZ wheels and dropped 70 lbs. I added a space saver spare and jack in the trunk but 70 lbs of unsprung weight is huge.
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2014 Cayman S (track rat w/GT4 suspension)
1979 930 (475 rwhp at 0.95 bar)
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