My Msport came with the Michelin P2's. I was checking the air pressure in my tires today and noticed they were 42/44 (F/R) and was kind of shocked. I instantly lowered them to 36/38 continued on my way. Later, after I got home I looked into it more and on tirerack its calling for psi to be 42/44 based on top speed.
Anyone have some extra info on psi with these PS2's at speeds in excess of 100mph?
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2014 550i M-sport
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