Originally Posted by MDORPHN
At least for use on track, I set tire pressures based on the tires optimal hot pressures.
For the Michelin PSS, this is between 37-39 psi. Since I pick up 8-9 psi on track, I start with cold temps around 28.5 psi and check tires' hot temps immediately upon coming off the track.
For use on the street, I generally set the tires at around 32 psi.
You go same pressure front and rear?
"The mark of a great car is one whose overall competence exceeds what you should expect from its individual components and the 1M does just that", Chris Harris.
2012 BMW 1M: TECH: Evolve Race+N55mids, Evolve IC, Michelin PSS, ER cp, aFe filter, CDVx, Vorshlag camber plates, P3Cars, OCC EXTERIOR: trunk spoiler, blacklines, black grills, IND goodies INTERIOR: Alcantara steering wheel, steel pedals, custom mats, MPower e-brake.