Quote:
Originally Posted by TrackRat
The "optimal" pressure is TBD. A pyrometer is your friend if you're really interested in "optimal". 
Typically you start 5-8 psi higher than BMW calls for an adjust according to the tires performance, your skills, the track, etc.
P.S. Have fun and stay hydrated with the hot temps! |
thanks for the response. so 5 psi hgher? i would think keep standard as the tires heat up, no? so if its 35 then start with 40? what happens if they get up over 40, reduce heat betweens runs?
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Current: 17 OG M2 / R8 Performance
Past Performance Cars: 01 M3, 05 M3, 06 M5, 08 M6, 08 M3, 11 M3, 13 M3, 15 M3, 911 C4S, 911 GTS, 17 M2,R8 V8, R8 RWS