I used to start 33psi all around but that shot me up to 41-42 Hot, I now start with 30psi & am ending up with anywhere from 38-40 hot....did back to back sessions last week at NJMP & after about 10 laps of the second session had to come in b/c I was getting massive understeer that I was sure was b/c tires were too hot, checked quickly after pitting had 43psi....
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'08 E92 M3 6MT | IB | FR | RAC RG63's | VRS Ti Exhaust | Fabspeed HFC & Xpipe
'09 X5 35d SG/SB
'11 X3 28i AW/CN/FW (wife's car
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